McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
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 | |
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