McqMate
Chapters
| 1. |
Cell bodies for the motor supply of the trigeminal nerve lie |
| A. | Hypothalamus |
| B. | Midbrain |
| C. | Posterior to cerebral aqueduct |
| D. | Cerebral cortex |
| E. | Floor of fourth ventricle |
| Answer» E. Floor of fourth ventricle | |
| 2. |
Cell bodies for the motor supply of the facial nerve lie |
| A. | Hypothalamus |
| B. | Midbrain |
| C. | Floor of the third ventricle |
| D. | Pons |
| E. | Floor of fourth ventricle |
| Answer» D. Pons | |
| 3. |
The lumbar plexus |
| A. | Is immediately medial to the inferior vena cava |
| B. | Is formed from the posterior rami |
| C. | Is derived from the last three lumbar nerves |
| D. | The femoral nerve is formed from L2, 3, 4 |
| E. | The pudendal nerve is a branch of the lumbar plexus |
| Answer» D. The femoral nerve is formed from L2, 3, 4 | |
| 4. |
regarding the innervation of the bladder |
| A. | parasympathetic innervation is via the pelvic splanchnic nerves |
| B. | sympathetic innervation comes from L3 and L4 segments of the cord |
| C. | sympathetic fibres are excitatory to the bladder |
| D. | bladder distension sensation travels with the sympathetic nervous system |
| E. | bladder pain travels only with the superior hypogastric plexus |
| Answer» A. parasympathetic innervation is via the pelvic splanchnic nerves | |
| 5. |
With regards to the spinal cord blood supply |
| A. | There are two anterior spinal arteries |
| B. | The anterior spinal artery arises form the vertebral artery |
| C. | The posterior spinal artery is singular |
| D. | The posterior spinal artery arises from the posterior superior cerebellar |
| E. | The anterior spinal artery retains a uniform size throughout its length |
| Answer» B. The anterior spinal artery arises form the vertebral artery | |
| 6. |
The diameter of a motor nerve fibre is |
| A. | 1-2 micrometre |
| B. | 3-5 micrometre |
| C. | 5-12 micrometre |
| D. | 12-20 micrometre |
| E. | 20-50 micrometre |
| Answer» D. 12-20 micrometre | |
| 7. |
With regard to dermatomal nerve supply: |
| A. | C7 supplies the index finger |
| B. | The anterior axial line of the upper limb runs between C6 and C7 |
| C. | T6 is at the level of the nipple |
| D. | The umbilicus is supplied by either T12 or L1 |
| E. | The heel is supplied by S2 |
| Answer» A. C7 supplies the index finger | |
| 8. |
with regard to myotomal nerve supply |
| A. | opponens pollicis is C8 |
| B. | shoulder abduction is C5, 6 |
| C. | ankle plantar flexion is L4, 5 |
| D. | elbow extension is C7, 8 |
| E. | ankle eversion is L4 |
| Answer» D. elbow extension is C7, 8 | |
| 9. |
The afferent path of the sneeze reflex is mediated via the |
| A. | Ophthalmic nerve V1 |
| B. | Maxillary nerve V2 |
| C. | Mandibular nerve V3 |
| D. | Vagus nerve |
| E. | Glossopharyngeal nerve |
| Answer» B. Maxillary nerve V2 | |
| 10. |
The motor nuclei of the facial nerve are situated in the |
| A. | Floor of the third ventricle |
| B. | Cerebellum |
| C. | Midbrain |
| D. | Pons |
| E. | Medulla oblongata |
| Answer» D. Pons | |
| 11. |
The dermatome supplying the great toe is usually |
| A. | L3 |
| B. | L4 |
| C. | L5 |
| D. | S1 |
| E. | S2 |
| Answer» C. L5 | |
| 12. |
Regarding the cranial nerves |
| A. | The trigeminal nerve is purely sensory |
| B. | The abducens nerve traverses the foramen lacerum |
| C. | The trochlear nerve supplies the superior oblique muscle only |
| D. | The hypoglossal nerve exits the skull through the foramen magnum |
| E. | The facial nerve may be involved in infection in the cavernous sinus |
| Answer» C. The trochlear nerve supplies the superior oblique muscle only | |
| 13. |
Which of the following about the facial nerve is incorrect? |
| A. | Supplies muscles of facial expression |
| B. | Supplie buccinator |
| C. | Gives the great petrosal nerve |
| D. | Contains taste fibres |
| E. | Contains fibres destined for the ciliary ganglion |
| Answer» E. Contains fibres destined for the ciliary ganglion | |
| 14. |
Wernicke’s encephalopathy involves |
| A. | Expressive dysphasia |
| B. | Receptive dysphasia |
| E. | Contains fibres destined for the ciliary ganglion |
| Answer» B. Receptive dysphasia | |
| 15. |
Regarding the cutaneous nerve supply to arm and forearm |
| A. | C3/4 supply pectoral and upper shoulder |
| B. | Branches of the brachial plexus supply arm and forearm |
| C. | C4/5/6/T1 supply the majority of the arm |
| E. | Contains fibres destined for the ciliary ganglion |
| Answer» B. Branches of the brachial plexus supply arm and forearm | |
| 16. |
Regarding parasympathetic nervous system |
| A. | Supply all viscera |
| B. | Have connector cells in brainstem and sacrum |
| E. | Contains fibres destined for the ciliary ganglion |
| Answer» B. Have connector cells in brainstem and sacrum | |
| 17. |
The vagus nerve |
| A. | Arises from the medulla as a single nerve |
| B. | Receives nucleus ambiguous fibres from the accessory nerve |
| C. | Supplies motor fibres to the diaphragm |
| D. | Supplies sensory fibres to the facial region |
| E. | Can be tested by looking at tongue movements |
| Answer» B. Receives nucleus ambiguous fibres from the accessory nerve | |
| 18. |
The sensory root of the facial nerve |
| A. | Arises from the sulcus between the pons and medulla |
| B. | Is called the nervus intermedius |
| C. | Presents as a swelling in the bend called the otic ganglion |
| D. | Emerges from the base of the skull through the foramen ovale |
| E. | Supplies the mucous membrane of the posterior third of the tongue |
| Answer» B. Is called the nervus intermedius | |
| 19. |
Which of the following is not a branch of the trigeminal nerve? |
| A. | Supraorbital nerve |
| B. | Great auricular nerve |
| C. | Mental nerve |
| D. | Lacrimal nerve |
| E. | Auricolotemporal nerve |
| Answer» B. Great auricular nerve | |
| 20. |
The trigeminal nerve |
| A. | Has five divisions |
| B. | Mandibular division is purely sensory |
| C. | Has its motor nucleus in the upper pons |
| D. | Exits the skull entirely through the foramen ovale |
| E. | Does not carry autonomic nerves |
| Answer» C. Has its motor nucleus in the upper pons | |
| 21. |
The cervical sympathetic trunk |
| A. | Descends from the upper posterior triangle to the first rib |
| B. | Runs lateral to the vertebral artery |
| C. | Lies behind the carotid sheath |
| D. | Lies behind the prevertebral fascia |
| E. | Ends at the inferior cervical ganglion |
| Answer» B. Runs lateral to the vertebral artery | |
| 22. |
A dematome is |
| B. | separated from a discontinuous dermatome by an axial line |
| E. | Ends at the inferior cervical ganglion |
| Answer» C. | |
| 23. |
which is the CORRECT myotome? |
| A. | S1 supplies hip abduction |
| C. | L3, 4 causes knee extension |
| E. | L5 dupplies skin of dorsal 1st web space |
| Answer» C. L3, 4 causes knee extension | |
| 24. |
Myotome of shoulder abduction? |
| A. | C5 |
| B. | C5, 6 |
| C. | C5, 6, 7 |
| D. | C6, 7, 8 |
| E. | C6,7 |
| Answer» A. C5 | |
| 25. |
All of the following are branches of the ophthalmic division of the trigeminal nerve EXCEPT: |
| A. | Lacrimal nerve |
| B. | Infraorbital nerve |
| C. | Supraorbital nerve |
| D. | Infratrochlear nerve |
| E. | Supratrochlear nerve |
| Answer» B. Infraorbital nerve | |
| 26. |
Which of the following is a branch of the mandibular nerve |
| A. | Infraorbital nerve |
| B. | External nasal nerve |
| C. | Zygomaticofacial nerve |
| D. | Auricolotemporal nerve |
| E. | Zygomaticotemporal nerve |
| Answer» D. Auricolotemporal nerve | |
| 27. |
which of the following is a branch of the maxillary nerve? |
| A. | Zygomaticotemporal nerve |
| E. | Zygomaticotemporal nerve |
| Answer» A. Zygomaticotemporal nerve | |
| 28. |
The midbrain |
| A. | Is largely in the middle cranial fossa |
| B. | Is supplied by the anterior inferior cerebellar artery |
| C. | Lies between pons and upper spinal cord |
| D. | Contains the oculomotor nuclei |
| E. | Contains the trigeminal nuclei |
| Answer» D. Contains the oculomotor nuclei | |
| 29. |
cerebrospinal fluid communicates with the subarachnoid space via the |
| A. | 4th ventricle |
| B. | 3rd ventricle |
| C. | subarachnoid granulations |
| D. | choroids plexus |
| E. | tela choroidia |
| Answer» A. 4th ventricle | |
| 30. |
Which of the following pathways is not concerned with posture and movement? |
| A. | Spinocerebellar |
| B. | Vestibulospinal |
| C. | Tractus solitarius |
| E. | tela choroidia |
| Answer» C. Tractus solitarius | |
| 31. |
The infratrochlear nerve supplies the |
| A. | Upper incisors |
| B. | Labial gum |
| C. | Bridge over the nose |
| D. | Upper lip |
| E. | Skin of the lower eyelid |
| Answer» C. Bridge over the nose | |
| 32. |
Which nerve supplies the vertex of the scalp |
| A. | Greater occipital |
| B. | Third occipital |
| C. | Auriculotemporal |
| D. | Supraorbital |
| E. | Supratrochlear |
| Answer» A. Greater occipital | |
| 33. |
Corneal sensation synapses in which ganglion |
| A. | Pterygopalatine |
| B. | Geniculate |
| C. | Otic |
| D. | Ciliary |
| E. | Trigeminal |
| Answer» E. Trigeminal | |
| 34. |
Regarding the speech centres |
| A. | Broca’s area is on the left side in most left-handed people |
| B. | Broca’s area is posterior |
| C. | Wernicke’s area controls motor response |
| D. | Damage to Broca’s area produces motor aphasia |
| E. | Damage to Wernicke’s area produces expressive aphasia |
| Answer» D. Damage to Broca’s area produces motor aphasia | |
| 35. |
Regarding the optic pathways |
| A. | Combined inferior rectus and superior oblique gives lateral gaze |
| B. | Abducent paralysis makes eye turn down and out |
| C. | Superior rectus makes eye turn up and out |
| D. | Trochlear paralysis, eye cannot look downwards when turned out |
| E. | Combined superior rectus and inferior oblique causes vertical upward gaze |
| Answer» D. Trochlear paralysis, eye cannot look downwards when turned out | |
| 36. |
Regarding the blood supply of the cerebral cortex |
| A. | Middle cerebral is contralateral arm, leg and speech areas |
| B. | Anterior cerebral is contralateral leg, micturition and defaecation |
| C. | Middle cerebral is ipsilateral arm, face and vision |
| D. | Posterior cerebral is ipsilateral vision |
| E. | Anterior cerebral is contralateral leg, auditory and speech |
| Answer» B. Anterior cerebral is contralateral leg, micturition and defaecation | |
| 37. |
The fifth cranial nerve supplies |
| A. | Temporalis |
| B. | Skin of the tip of the nose via the external nasal branch of the maxillary nerve |
| C. | Skin of the earlobe via the auriculotemporal nerve |
| D. | Skin over the occiput |
| E. | The conjunctiva beneath the lower eyelid via the ophthalmic nerve |
| Answer» A. Temporalis | |
| 38. |
The cutaneous innervation of the ear |
| A. | Is the lesser auricular nerve |
| B. | Involves the dermatome of C3 |
| C. | Includes the zygomaticotemporal branch of the trigeminal nerve |
| D. | Includes the vagus |
| E. | Involves the greater occipital nerve |
| Answer» D. Includes the vagus | |
| 39. |
The ophthalmic division of the trigeminal nerve |
| A. | Enters the face via the inferior orbital fissure |
| B. | Supplies sympathetic fibres to constrictor papillae muscles |
| C. | Supplies sensation to the forehead and upper eyelid, excluding the orbit |
| D. | Gives five branches, two of which contain sympathetic as well as sensory fibres |
| E. | Controls abduction of the eye |
| Answer» D. Gives five branches, two of which contain sympathetic as well as sensory fibres | |
| 40. |
Where does the superior cerebral vein lie? |
| A. | Deep in the sulci |
| B. | Between the dura and the skull |
| C. | In the arachnoid mater |
| D. | In the margins of the falx |
| E. | With the superior cerebral artery |
| Answer» C. In the arachnoid mater | |
| 41. |
Regarding the circle of Willis |
| A. | Posterior cerebral is a branch of the internal carotid |
| B. | Anterior cerebral is the largest branch of the internal carotid |
| C. | Middle cerebral supplies motor but not sensory cortex |
| D. | Internal carotid gives off ophthalmic artery |
| E. | Anterior communicating unites middle and anterior cerebral |
| Answer» D. Internal carotid gives off ophthalmic artery | |
| 42. |
Regarding the superior orbital fissure, which is INCORRECT? |
| A. | its common tendinous ring binds the SOF content of nerves and muscles to the contents of the optic canal |
| B. | the origin of levator palpebrae superioris is its bony upper margin |
| C. | lacrimal, frontal and trochlear nerves pass through it |
| D. | the oculomotor, abducens and nasociliary nerves lie within the cone of the extraocular muscles |
| Answer» A. its common tendinous ring binds the SOF content of nerves and muscles to the contents of the optic canal | |
| 43. |
Regarding the extraocular muscles: |
| A. | they all arise from a common tendinous ring around the superior orbital fissure |
| B. | the rectus muscles all pass laterally to their point of insertion because of the angle of the orbital apex within the skull |
| C. | the superior oblique muscle passes through the trochlear, a fibrocartilage loop attached to the frontal bone lateral margin, just behind the orbital margin |
| D. | except for superior oblique, all nerve supply to muscles enter from their optic side |
| Answer» D. except for superior oblique, all nerve supply to muscles enter from their optic side | |
| 44. |
With regards to eye movement, which is INCORRECT? |
| A. | the medial and lateral rectus evoke simple horizontal movement only |
| B. | the inferior oblique turns the eye down and out |
| C. | the superior rectus turns the eye up and in |
| D. | the inferior rectors and superior oblique together produce vertical down gaze |
| Answer» B. the inferior oblique turns the eye down and out | |
| 45. |
Which is INCORRECT? |
| A. | in a 4th cranial nerve paralysis, the affected eye lies slightly inturned |
| B. | in a 6th cranial nerve palsy, the lateral rectus is affected |
| C. | in a 3rd nerve palsy, levator palpebrae is affected |
| D. | in an oculomotor nerve palsy the eye looks down and out |
| Answer» A. in a 4th cranial nerve paralysis, the affected eye lies slightly inturned | |
| 46. |
With regards to the retina, which is CORRECT? |
| A. | the retina covers the inner surface of the choroids and is light sensitive everywhere except at the corneal area |
| B. | the optic disc contains retina that is completely free of blood vessels and is yellowish in colour |
| C. | the optic disc and fovea are of similar size |
| D. | the fovea contains no blood vessels or cones, but a high concentration or rods |
| Answer» C. the optic disc and fovea are of similar size | |
| 47. |
The nasal septum consists of: |
| A. | the maxilla |
| B. | the vomer and ethmoid bones |
| C. | the sphenoid and ethmoid bones |
| D. | the frontal, zygoma and maxilla |
| E. | the vomer and palatine bones |
| Answer» B. the vomer and ethmoid bones | |
| 48. |
The ophthalmic artery: |
| A. | is a branch of the ECA |
| B. | enters through the superior orbital fissure |
| C. | does not penetrate the meninges of the optic nerve |
| D. | forms an anastomoses between ECA and ICA |
| E. | is an end artery |
| Answer» D. forms an anastomoses between ECA and ICA | |
| 49. |
Regarding the carotid sheath: |
| A. | arisa cervicalis lies behind the IJV |
| B. | is free to move in the neck |
| C. | contains the vagus and phrenic ???? |
| D. | the sympathetic trunk lies outside the sheath |
| E. | the CCA lies lateral to the IJV |
| Answer» D. the sympathetic trunk lies outside the sheath | |
| 50. |
The contents of the jugular foramen include: |
| A. | superior petrosal sinus |
| B. | internal jugular vein |
| C. | vagus nerve |
| D. | hypoglossal nerve |
| E. | all of the above |
| Answer» C. vagus nerve | |
| 51. |
The sensory innervation of the auricle of the ear includes: |
| A. | auricolotermporal nerve (V3) |
| B. | great auricular nerve (C2) |
| C. | facial nerve via tympanic plexus (VII) |
| D. | auricular branch of vagus (X) |
| E. | all of the above |
| Answer» E. all of the above | |
| 52. |
Regarding the abducent nerve (CN V1): |
| A. | the nucleus lies in the medulla |
| B. | supplies superior oblique muscle |
| C. | enters the orbit ???? superior orbital fissure |
| D. | has no relation to the cavernous sinus |
| E. | carries autonomic fibres from Edinger-Westphal node |
| Answer» C. enters the orbit ???? superior orbital fissure | |
| 53. |
Regarding the face, which is INCORRECT? |
| A. | there is no deep fascia on the face |
| B. | the bulk of orbicularis oris muscle comes from buccinator |
| C. | the eyelid muscles are completely supplied by CNVII |
| D. | the parotid duct pierces buccinator opposite the third upper molar tooth |
| E. | the facial nerve supplies the occipital belly of occipitofrontalis |
| Answer» C. the eyelid muscles are completely supplied by CNVII | |
| 54. |
Regarding the trigeminal nerve: |
| A. | branches emerge from the parotid gland |
| B. | the mandibular nerve has three cutaneous branches |
| C. | the supratrochlear nerve supplies midline forehead and scalp |
| D. | the infratrochlear nerve is a branch of the maxillary nerve |
| E. | the bridge of the nose is supplied by the external nasal nerve |
| Answer» B. the mandibular nerve has three cutaneous branches | |
| 55. |
Which structure does NOT pass through the parotid gland? |
| A. | retromandibular vein |
| B. | temporozygomatic branch of facial nerve |
| C. | cervicofacial branch of facial nerve |
| D. | internal jugular vein |
| E. | external carotid artery |
| Answer» D. internal jugular vein | |
| 56. |
Which structure is NOT in the carotid sheath? |
| A. | internal jugular vein |
| B. | hypoglossal nerve |
| C. | glossopharyngeal nerve |
| D. | external jugular vein |
| E. | internal carotid artery |
| Answer» D. external jugular vein | |
| 57. |
Which is an intrinsic muscle of the tongue? |
| A. | superior longitudinal muscle |
| B. | genioglossus muscle |
| C. | hyoglossus muscle |
| D. | styloglossus muscle |
| E. | palatoglossus muscle |
| Answer» A. superior longitudinal muscle | |
| 58. |
Which muscle abducts the vocal cords? |
| A. | cricothyroid |
| B. | oblique arytenoid |
| C. | posterior cricoarytenoid |
| D. | lateral cricoarytenoid |
| E. | thyroepiglottic |
| Answer» C. posterior cricoarytenoid | |
| 59. |
Which laryngeal muscle is NOT supplied by the recurrent laryngeal nerve? |
| A. | thyroarytenoid |
| B. | cricothyroid |
| C. | aryepiglottic |
| D. | oblique arytenoid |
| E. | posterior cricoarytenoid |
| Answer» B. cricothyroid | |
| 60. |
The internal laryngeal nerve supplies: |
| A. | sensation to the vocal folds |
| B. | cricothyroid muscle |
| C. | sensation above the vocal folds |
| D. | transverse arytenoid muscle |
| E. | sensation below the vocal folds |
| Answer» C. sensation above the vocal folds | |
| 61. |
Which nerve does NOT supply skin to the upper eyelid? |
| A. | lacrimal |
| B. | supraorbital |
| C. | supratrochlear |
| D. | infratrochlear |
| E. | infraorbital |
| Answer» E. infraorbital | |
| 62. |
Which extraocular muscle does NOT arise from the tendinous ring of the orbit? |
| A. | superior rectus |
| B. | superior oblique |
| C. | inferior rectus |
| D. | medial rectus |
| E. | lateral rectus |
| Answer» B. superior oblique | |
| 63. |
Which structure passes through the tendinous ring of the orbit? |
| A. | ophthalmic artery |
| B. | inferior rectus muscle |
| C. | lacrimal nerve |
| D. | trochlear nerve |
| E. | superior oblique muscle |
| Answer» A. ophthalmic artery | |
| 64. |
Which bone is not part of the medial wall of the orbit? |
| A. | maxilla |
| B. | lacrimal bone |
| C. | sphenoid |
| D. | palatine bone |
| E. | ethmoid |
| Answer» D. palatine bone | |
| 65. |
Which muscle helps to open the jaw? |
| A. | medial pterygoid |
| B. | lateral pterygoid |
| C. | masseter |
| D. | temporalis |
| E. | buccinator |
| Answer» B. lateral pterygoid | |
| 66. |
Regarding the vertebral column: |
| A. | ligamentum flava attach adjacent pedicles |
| B. | lumbar vertebrae have foramen in their transverse process |
| C. | the intervertebral disc is a primary cartilaginous joint |
| D. | rotation is greatest in the thoracic region |
| E. | the cruciform ligament holds the dens in place |
| Answer» E. the cruciform ligament holds the dens in place | |
| 67. |
The middle meningeal artery is a branch of the: |
| A. | internal carotid artery |
| B. | middle cerebral artery |
| C. | maxillary artery |
| D. | deep temporal artery |
| E. | facial artery |
| Answer» C. maxillary artery | |
| 68. |
They hyoid bone is at what level? |
| A. | C2 vertebra |
| B. | C3 vertebra |
| C. | C4 vertebra |
| D. | C5 vertebra |
| E. | C6 vertebra |
| Answer» B. C3 vertebra | |
| 69. |
Regarding the bones of the skull: |
| A. | the middle cranial fossa does not extend to the posterior cranial vault |
| B. | the temporal lobe rests on the bony rather than the membranous part of the middle cranial fossa |
| C. | the posterior cranial fossa contains the cerebella and lies superior to the tentorium cerebelli |
| D. | the floor of the anterior cranial fossa is formed from the orbital plate of the parietal bone |
| E. | the cribriform plate lies in the midline and is formed from the roof of the sphenoid bone |
| Answer» B. the temporal lobe rests on the bony rather than the membranous part of the middle cranial fossa | |
| 70. |
Regarding the bones of the skull: |
| A. | the anterior clinoid processes are formed by the lesser wings of the sphenoid |
| B. | the posterior clinoid processes are formed from the occipital bone |
| C. | the dorsum sellae is formed from the anterior part of the occipital bone |
| D. | the petious temporal bone forms the floor of the middle cranial fossa, but not the wall of the posterior cranial fossa |
| E. | the inferior orbital fissure separates the lesser and greater wings of the sphenoid |
| Answer» A. the anterior clinoid processes are formed by the lesser wings of the sphenoid | |
| 71. |
Regarding the cervical spine: |
| A. | all seven cervical vertebrae have spinous processes |
| B. | rotatory movements of the head occur mostly at the atlanto-occipital joints |
| C. | the odontoid process (peg) is encased by a bony canal in the axis |
| D. | all seven cervical vertebrae have foramina transversaria for the vertebral artery to pass through it |
| E. | spinous processes, where present, are all bifid except for C7 |
| Answer» E. spinous processes, where present, are all bifid except for C7 | |
| 72. |
Regarding the triangles of the neck: |
| A. | the posterior triangle is bound by trapezius, sternocleidomastoid and the middle quarter of clavicle |
| B. | the anterior triangle is further divided into two smaller triangles, the carotid and submandibular triangles |
| C. | the posterior belly of digastric (and stylohyoid) separates the carotid and submandibular triangles |
| D. | the accessory nerve (CNXI) divides the posterior triangle into approximately two halves, and of these the lower contains little of importance |
| E. | the investing fascia splits to enclose the sternomastoid and trapezius, but the parotia and submandibular glands lie deep to the fascia, in the anterior triangle |
| Answer» C. the posterior belly of digastric (and stylohyoid) separates the carotid and submandibular triangles | |
| 73. |
Regarding anatomy of the neck, landmarks: |
| A. | the arch of the cricoid cartilage is palpable as it protrudes forward of the trachea |
| B. | the cricoid cartilage marks the level of C5 |
| C. | the transverse process of the axis is the most prominent of the cervical transverse processes, and is palpable between angle of mandible and mastoid |
| D. | the body of hyoid is not palpable because it is hidden behind the thyroid cartilage |
| E. | the coracoid process of scapula is palpable within the deltopectoral triangle |
| Answer» A. the arch of the cricoid cartilage is palpable as it protrudes forward of the trachea | |
| 74. |
Regarding fascia and sheaths in the neck: |
| A. | the pretracheal fascia contains both trachea and oesophagus, and also splits to envelop the lobes of the thyroid gland |
| B. | the prevertebral fascia encloses vertebrae and muscles acting on the vertebrae, but does not contribute to the investment over the brachial plexus as it passes between scalene muscles |
| C. | the investing fascia encloses trapezius sternomastoid and platysma muscles |
| D. | the structures contained within the carotid sheath include carotid artery, sympathetic chain and jugular vein, but not phrenic nerve or vagus |
| E. | infection may track in the pretracheal space to mediastinum |
| Answer» A. the pretracheal fascia contains both trachea and oesophagus, and also splits to envelop the lobes of the thyroid gland | |
| 75. |
For sternocleidomastoid, which is TRUE? |
| A. | contraction of one muscle rotates the head to the ipsilateral shoulder |
| B. | it is crossed superficially by the external jugular vein |
| C. | it is supplied by the transverse cervical nerve |
| D. | its clavicular fibres mainly insert into the superior nucal line |
| E. | it is superficial to the deep cervical fascia |
| Answer» B. it is crossed superficially by the external jugular vein | |
| 76. |
Which is not considered a content of the posterior triangle of the neck? |
| A. | subclavian artery |
| B. | trunks of the brachial plexus |
| C. | internal jugular vein |
| D. | branches of the cervical plexus |
| E. | accessory nerve |
| Answer» C. internal jugular vein | |
| 77. |
For the thyroid, which is TRUE? |
| A. | the thyroid isthmus crosses the thyroid cartilage |
| B. | the superior thyroid arteries are branches off the internal carotid arteries |
| C. | the posterior surface lies on the carotid sheaths |
| D. | the inferior thyroid arteries are branches off the external carotid arteries |
| E. | the recurrent laryngeal nerves pass anteriorly to each lateral lobe |
| Answer» C. the posterior surface lies on the carotid sheaths | |
| 78. |
For the great neck vessels, which is TRUE? |
| A. | the carotid sheath contains the ansor cervicalis, vagus and recurrent laryngeal nerves |
| B. | the external carotid artery has three branches |
| C. | the internal carotid artery has six branches |
| D. | the internal jugular vein lies lateral to the carotid artery throughout its course |
| E. | the carotid sinus lies at the commencement of the common carotid artery |
| Answer» D. the internal jugular vein lies lateral to the carotid artery throughout its course | |
| 79. |
the septum of the nasal cavity is innervated by |
| A. | nasopalatine nerve from cranial nerve V2 |
| B. | posterior ethmoidal nerve from V1 |
| C. | greater palatine nerve from V2 |
| D. | lesser palatine nerve from V2 |
| E. | none of the above |
| Answer» A. nasopalatine nerve from cranial nerve V2 | |
| 80. |
The posterior cricoarytenoid muscles |
| A. | Abduct the vocal cords |
| B. | Adduct the vocal cords |
| C. | Tensor of the vocal cords |
| D. | Relaxors of the vocal cords |
| E. | Act as a sphincter |
| Answer» A. Abduct the vocal cords | |
| 81. |
The superior laryngeal nerve |
| A. | Divides into internal and recurrent laryngeal nerves |
| B. | Supplies the crocothyroid muscle via an external laryngeal branch |
| C. | Supplies all the intrinsic muscles of the larynx |
| D. | Is sensory to larynx below the vocal cords |
| E. | None of the above |
| Answer» B. Supplies the crocothyroid muscle via an external laryngeal branch | |
| 82. |
The surface markings of the trachea include |
| A. | Origin at lower end of the cricoid at C4 vertebra |
| B. | Origin at C6 vertebra level |
| C. | Termination at T2 at expiration |
| D. | Termination at T4 level at maximal inspiration |
| E. | 3rd to 5th rings covered anteriorly by isthmus of the thyroid |
| Answer» B. Origin at C6 vertebra level | |
| 83. |
What runs through the foramen spinosum? |
| A. | Internal carotid artery |
| B. | Maxillary branch of the trigeminal nerve |
| C. | Mandibular branch of the trigeminal nerve |
| D. | Middle meningeal artery |
| E. | Meningeal nerve |
| Answer» D. Middle meningeal artery | |
| 84. |
The internal jugular vein |
| A. | Drains into the subclavian vein on the left |
| B. | Lies in the carotid sheath with the carotid artery and the sympathetic trunk |
| C. | Lies lateral to the internal carotid artery at the base of the skull |
| D. | Lies lateral to the carotid artery in the lower neck |
| E. | Lies anterior to the sternocleidomastoid |
| Answer» D. Lies lateral to the carotid artery in the lower neck | |
| 85. |
The seventh cervical vertebra |
| A. | Is typical |
| B. | Has a bifid spinous process |
| C. | Transmits the vertebral artery through the foramen in the transverse process |
| D. | Has the supra-pleural membrane attached to the anterior tubercle |
| E. | Has a short spinous process |
| Answer» D. Has the supra-pleural membrane attached to the anterior tubercle | |
| 86. |
The atlas |
| A. | Has no foramen in the transverse process |
| B. | Is the narrowest cervical vertebra |
| C. | Has a body |
| D. | Has a posterior arch grooved by the vertebral artery |
| E. | Has a short spinous process |
| Answer» D. Has a posterior arch grooved by the vertebral artery | |
| 87. |
Branches of the carotid artery include |
| A. | Inferior thyroid artery |
| B. | Ascending pharyngeal artery |
| C. | Internal thoracic |
| D. | Superficial cervical |
| E. | Thymic artery |
| Answer» B. Ascending pharyngeal artery | |
| 88. |
The blood supply to the nasal cavity |
| A. | Is only from the external carotid |
| B. | Mainly enters through the nostril |
| C. | Does not communicate with intracranial vessels |
| D. | Mainly enters the sphenopalatine foramen |
| E. | Arrives to Little’s area from ophthalmic artery branches |
| Answer» D. Mainly enters the sphenopalatine foramen | |
| 89. |
Protection of the airway during swallowing is not facilitated by |
| A. | The sphincteric action of the ariepiglottic muscles |
| B. | closure of the glottis |
| C. | Elevation of the larynx |
| D. | Contraction of the cricothyroid muscle |
| E. | Posterior bulging of the tongue assisting closure of the larynx |
| Answer» D. Contraction of the cricothyroid muscle | |
| 90. |
Structure of the larynx includes |
| A. | The inlet being bounded posteriorly by the epiglottis |
| B. | The posterior cricoarytenoid being an adductor of the vocal cords |
| C. | The aryepiglottic fold contains the cuneiform cartilage |
| D. | The rima of the vestibule being the fissure between the two vocal cords |
| E. | The cricoid cartilage not being circumferential |
| Answer» D. The rima of the vestibule being the fissure between the two vocal cords | |
| 91. |
The trachea |
| A. | Commences below the cricoid at the level of C5 |
| B. | Enters the thoracic inlet slightly to the left |
| C. | Is marked at its lower end by the level of the sternal angle |
| D. | Is supplied by the glossopharyngeal nerve |
| E. | Drains to axillary lymph nodes |
| Answer» C. Is marked at its lower end by the level of the sternal angle | |
| 92. |
All of the following are branches of the external carotid artery EXCEPT: |
| A. | Superior thyroid artery |
| B. | Hypoglossal artery |
| C. | Facial artery |
| D. | Lingual artery |
| E. | Ascending pharyngeal artery |
| Answer» B. Hypoglossal artery | |
| 93. |
Regarding triangles of the neck all of the following structures are boundaries of the triangle named EXCEPT: |
| A. | Submental triangle, mandible |
| B. | Anterior triangle, mandible |
| C. | Digastric triangle, mandible |
| D. | Carotid triangle, sternocleidomastoid |
| E. | Anterior triangle, sternocleidomastoid |
| Answer» A. Submental triangle, mandible | |
| 94. |
Which one of the following opens into the inferior meatus of the nose |
| A. | Frontal sinus |
| B. | Ethmoidal sinus |
| C. | Maxillary sinus |
| D. | Nasolacrimal duct |
| E. | Auditory tube |
| Answer» D. Nasolacrimal duct | |
| 95. |
A freacture through the roof of the maxillary sinus might result in sensory loss to the |
| A. | Tympanic membrane |
| B. | Lacrimal gland |
| C. | Upper molar teeth |
| D. | Skin overlying the zygomatic bone |
| E. | Upper incisors and canine teeth |
| Answer» E. Upper incisors and canine teeth | |
| 96. |
All of the following structures pass through the jugular foramen EXCEPT: |
| A. | Jugular vein |
| B. | Glossopharyngeal nerve |
| C. | Hypoglossal nerve |
| D. | Accessory nerve |
| E. | Vagus nerve |
| Answer» C. Hypoglossal nerve | |
| 97. |
Regarding the basilar artery, all the below are true EXCEPT: |
| A. | Gives off branches to the anterior spinal artery |
| B. | Divides to give off both posterior cerebral arteries |
| C. | Supplies branches to the pons |
| D. | Formed by the union of the vertebral arteries |
| E. | Lies on the ventral aspect of the cerebral peduncle |
| Answer» A. Gives off branches to the anterior spinal artery | |
| 98. |
In the circle of Willis |
| A. | The basilar artery divides into right and left posterior cerebellar arteries |
| B. | The middle cerebral arteries branch off and supply the motor but not sensory cortex |
| C. | The anterior communicating artery unites the middle cerebral artery to the internal cerebral artery |
| D. | It encircles the inferior brainstem at C2-3 level |
| E. | The internal carotid artery gives off the ophthalmic artery before dividing into anterior and middle cerebral |
| Answer» E. The internal carotid artery gives off the ophthalmic artery before dividing into anterior and middle cerebral | |
| 99. |
Regarding the facial vein, all of the following are true EXCEPT: |
| A. | It drains into the internal jugular vein |
| B. | It has no valves |
| C. | It communicates with the cavernous sinus via the ophthalmic vein |
| D. | It runs inferoposteriorly anterior to the facial artery |
| E. | It communicates with the pterygoid plexus via the deep facial vein |
| Answer» D. It runs inferoposteriorly anterior to the facial artery | |
| 100. |
The 2nd cervical vertebra |
| A. | Has a very small spinous process |
| B. | Articulates with the occiput |
| C. | Has a bifid spinous process |
| D. | It referred to as the atlas |
| E. | Has a dens that occupies the posterior 1/3 of the canal |
| Answer» C. Has a bifid spinous process | |
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