McqMate
Chapters
| 1. |
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 | |
| 2. |
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 | |
| 3. |
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 | |
| 4. |
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 | |
| 5. |
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 | |
| 6. |
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 | |
| 7. |
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 | |
| 8. |
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 | |
| 9. |
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 | |
| 10. |
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 | |
| 11. |
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 | |
| 12. |
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 | |
| 13. |
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 | |
| 14. |
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 | |
| 15. |
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 | |
| 16. |
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 | |
| 17. |
Which muscle abducts the vocal cords? |
| A. | cricothyroid |
| B. | oblique arytenoid |
| C. | posterior cricoarytenoid |
| D. | lateral cricoarytenoid |
| E. | thyroepiglottic |
| Answer» C. posterior cricoarytenoid | |
| 18. |
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 | |
| 19. |
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 | |
| 20. |
Which nerve does NOT supply skin to the upper eyelid? |
| A. | lacrimal |
| B. | supraorbital |
| C. | supratrochlear |
| D. | infratrochlear |
| E. | infraorbital |
| Answer» E. infraorbital | |
| 21. |
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 | |
| 22. |
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 | |
| 23. |
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 | |
| 24. |
Which muscle helps to open the jaw? |
| A. | medial pterygoid |
| B. | lateral pterygoid |
| C. | masseter |
| D. | temporalis |
| E. | buccinator |
| Answer» B. lateral pterygoid | |
| 25. |
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 | |
| 26. |
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 | |
| 27. |
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 | |
| 28. |
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 | |
| 29. |
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 | |
| 30. |
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 | |
| 31. |
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 | |
| 32. |
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 | |
| 33. |
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 | |
| 34. |
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 | |
| 35. |
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 | |
| 36. |
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 | |
| 37. |
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 | |
| 38. |
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 | |
| 39. |
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 | |
| 40. |
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 | |
| 41. |
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 | |
| 42. |
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 | |
| 43. |
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 | |
| 44. |
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 | |
| 45. |
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 | |
| 46. |
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 | |
| 47. |
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 | |
| 48. |
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 | |
| 49. |
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 | |
| 50. |
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 | |
| 51. |
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 | |
| 52. |
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 | |
| 53. |
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 | |
| 54. |
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 | |
| 55. |
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 | |
| 56. |
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 | |
| 57. |
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 | |
| 58. |
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 | |
| 59. |
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 | |
| 60. |
Regarding the larynx |
| A. | All muscles are supplied by the recurrent laryngeal nerve |
| B. | Thyroarytenoid muscle alters the tension of the vocal cord |
| C. | Recurrent laryngeal nerve passes anterior to the criocthyroid joint |
| D. | During swallowing, the epiglottis acts as a passive flap |
| E. | All of the larynx is covered by pseudostratified columnar epithelium |
| Answer» B. Thyroarytenoid muscle alters the tension of the vocal cord | |
| 61. |
Regarding the vertebral column all are correct EXCEPT: |
| A. | The facet joints in the lumbar spine lie in an anteroposterior plane |
| B. | The vertebral arteries ascend through the foramen in the transverse processes of the upper six cervical vertebrae |
| C. | The spinous processes of the cervical vertebrae are usually bifid |
| D. | Thoracic vertebrae I, II and XII have single costal facets on their pedicles |
| E. | The sacrum has 5 sets of anterior and posterior sacral foramina, one corresponding to each of the sacral segments |
| Answer» E. The sacrum has 5 sets of anterior and posterior sacral foramina, one corresponding to each of the sacral segments | |
| 62. |
The internal jugular vein |
| A. | Is surrounded by the thickest portion of carotid sheath |
| B. | Receives drainage from all the parathyroid glands |
| C. | Is crossed posteriorly by the accessory nerve |
| D. | Is crossed anteriorly by the thoracic duct |
| E. | Contains valves within its lumen |
| Answer» C. Is crossed posteriorly by the accessory nerve | |
| 63. |
Venous drainage of the face |
| A. | Is both deep and superficial |
| B. | Empties ultimately into the internal jugular vein alone |
| C. | Communicates indirectly with the cavernous sinus via the deep facial vein |
| D. | Communicates directly with the cavernous sinus via the supraorbital veins |
| E. | All of the above |
| Answer» C. Communicates indirectly with the cavernous sinus via the deep facial vein | |
| 64. |
The larynx |
| A. | Is a respiratory organ whose essential function is phonation |
| B. | Extends from the anterior upper border of the epiglottis to the level of C6 |
| C. | Consists of two single cartilages, the thyroid and cricoid |
| D. | Is hauled up beneath the tongue with the epiglottis tilted anterior and upwards during swallowing |
| E. | Is supplied by the external laryngeal nerve except for the cricothyroid muscle which is supplied by the |
| Answer» B. Extends from the anterior upper border of the epiglottis to the level of C6 | |
| 65. |
Regarding the larynx |
| A. | The external laryngeal nerve supplies the posterior cricoarytenoid muscle |
| B. | The internal laryngeal nerve supplies cricothyroid |
| C. | The blood supply above the vocal cords is by a branch of the internal carotid |
| D. | Normal vocal cords are always covered by stratified squamous epithelium |
| E. | The recurrent laryngeal nerve lies immediately behind the cricoarytenoid joint |
| Answer» D. Normal vocal cords are always covered by stratified squamous epithelium | |
| 66. |
The orbit contains all of the following EXCEPT: |
| A. | Branches of the facial nerve |
| B. | The optic nerve |
| C. | The third cranial nerve |
| D. | A subarachnoid space |
| E. | The inferior rectus muscle |
| Answer» A. Branches of the facial nerve | |
| 67. |
Which muscle controls vocal cord abduction in the larynx |
| A. | Aryepiglottic |
| B. | Posterior cricoarytenoid |
| C. | Transverse arytenoids |
| D. | Lateral cricoarytenoid |
| E. | Cricothyroid |
| Answer» B. Posterior cricoarytenoid | |
| 68. |
Which of the following combinations is correct regarding the paranasal sinuses and where they drain to? |
| A. | Maxillary sinus; middle meatus |
| B. | Anterior ethmoidal air cells; inferior meatus |
| C. | Posterior ethmoidal air cells; oral cavity |
| D. | Sphenoid sinus; frontonasal recess |
| E. | Frontal sinus; lacrimal duct |
| Answer» A. Maxillary sinus; middle meatus | |
| 69. |
The inferior oblique |
| A. | Arises from the maxilla on the floor of the orbit, near the anterior margin |
| B. | Is attached to the posterosuperior medial quadrant of the sclera |
| C. | Is supplied by the abducent nerve (CN VI) |
| D. | Turns the eye upwards and in |
| E. | Is supplied by the posterior ciliary artery |
| Answer» A. Arises from the maxilla on the floor of the orbit, near the anterior margin | |
| 70. |
Larynx |
| A. | Continues with the trachea at C6 |
| B. | Its major role is for phonation |
| C. | Lies behind the thyroid gland |
| D. | All the muscles are supplied by the receurrent laryngeal nerve |
| E. | Blood supply is from the inferior thyroid artery |
| Answer» A. Continues with the trachea at C6 | |
| 71. |
Which muscle abducts the vocal cords? |
| A. | Transverse arytenoids |
| B. | Cricothyroid |
| C. | Lateral cricoarytenoid |
| D. | Posterior cricoarytenoid |
| E. | Thyoarytenoid |
| Answer» D. Posterior cricoarytenoid | |
| 72. |
The cricoid cartilage |
| A. | Articulates with the thyroid cartilage via fibrocartilage joints |
| B. | Is an incomplete cartilaginous ring |
| C. | Projects anteriorly as a quadrangular flat part |
| D. | Provides attachment for anterior cricoarytenoid muscle |
| E. | Articulates superiorly with the inferior horn of the thyroid cartilage |
| Answer» E. Articulates superiorly with the inferior horn of the thyroid cartilage | |
| 73. |
The carotid triangle contains |
| A. | Subclavia artery |
| B. | Omohyoid muscle |
| C. | Occipital artery |
| D. | Internal laryngeal nerve |
| E. | Anterior jugular vein |
| Answer» D. Internal laryngeal nerve | |
| 74. |
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» C. Lies behind the carotid sheath | |
| 75. |
The carotid sheath |
| A. | Extends from the base of the skull to the bifurcation of common carotid |
| B. | Contains the stylohyoid ligament |
| C. | Contains only three cranial nerves |
| D. | Is attached to the aorta |
| E. | Contains the sympathetic trunk |
| Answer» D. Is attached to the aorta | |
| 76. |
Regarding the vertebrae |
| A. | Spinal nerves emerge through foramina between the vertebral laminae |
| B. | The anterior longitudinal ligament extends from the anterior tubercle of the atlas to the upper part of the lumbar spine |
| C. | Articular processes are joined to adjacent vertebrae by synovial joints |
| D. | The ligamentum flavum joins borders of adjacent spinous processes |
| E. | A typical thoracic vertebra has foramina in the transverse processes |
| Answer» C. Articular processes are joined to adjacent vertebrae by synovial joints | |
| 77. |
When performing a lumbar puncture the spinal needle should not pass through the |
| A. | Ligamentum flavum |
| B. | Posterior longitudinal ligament |
| C. | Supraspinous ligament |
| D. | Inerspinous ligament |
| E. | Skin |
| Answer» B. Posterior longitudinal ligament | |
| 78. |
All the following are branches of the external carotid artery EXCEPT: |
| A. | Lingual artery |
| B. | Facial artery |
| C. | Ascending pharyngeal artery |
| D. | Hypoglossal artery |
| E. | Superior thyroid artery |
| Answer» D. Hypoglossal artery | |
| 79. |
The alar ligaments connect the |
| A. | Bodies of the axis to foramen magnum |
| B. | Dens to foramen magnum |
| C. | Adjacent vertebral bodies posteriorly |
| D. | Tips of adjacent spinous processes |
| E. | Adjacent laminae |
| Answer» B. Dens to foramen magnum | |
| 80. |
All the following are boundaries of the named triangle except: |
| A. | Mandible and submental triangle |
| B. | Mandible and anterior triangle |
| C. | Mandible and digastric triangle |
| D. | Sternocleidomastoid and carotid triangle |
| E. | Sternocleidomastoid and anterior triangle |
| Answer» A. Mandible and submental triangle | |
| 81. |
All the following are contents of the posterior triangle EXCEPT: |
| A. | Accessory nerve |
| B. | Cervical plexus |
| C. | Inferior belly of omohyoid |
| D. | Transverse cervical vessels |
| E. | Occipital lymph nodes |
| Answer» E. Occipital lymph nodes | |
| 82. |
Which of the following enters 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 | |
| 83. |
A fracture through the roof of the maxillary sinus might result in sensory loss to the |
| A. | Tympanicmembrane |
| B. | Lacrimal gland |
| C. | Upper molar teeth |
| D. | Upper incisors and canine teeth |
| E. | Skin overlying the zygomatic bone |
| Answer» D. Upper incisors and canine teeth | |
| 84. |
All 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 | |
| 85. |
Which is true of swallowing? |
| A. | It is entirely voluntary |
| B. | The oropharyngeal portion is voluntary |
| C. | Peristalsis speeds as the bolus descends |
| D. | The voluntary stage commences as food enters the oesophagus |
| E. | It is initially voluntary then involuntary |
| Answer» E. It is initially voluntary then involuntary | |
| 86. |
Which muscle controls vocal cord abduction? |
| A. | Aryepiglottic |
| B. | Transverse arytenoids |
| C. | Lateral cricoarytenoid |
| D. | Posterior cricoarytenoid |
| E. | Cricothyroid |
| Answer» D. Posterior cricoarytenoid | |
| 87. |
What exits the stylomastoid foramen? |
| A. | Middle meningeal artery |
| B. | Accessory nerve |
| C. | Facial nerve |
| D. | Artery to stapedius |
| E. | Hypoglossal nerve |
| Answer» C. Facial nerve | |
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