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1010+ Anatomy Solved MCQs

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

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Chapter: Central Nervous System (CNS)
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
11.

The dermatome supplying the great toe is usually

A. L3
B. L4
C. L5
D. S1
E. S2
Answer» C. L5
discuss
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
discuss
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
discuss
14.

Wernicke’s encephalopathy involves

A. Expressive dysphasia
B. Receptive dysphasia
E. Contains fibres destined for the ciliary ganglion
Answer» B. Receptive dysphasia
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
22.

A dematome is

B. separated from a discontinuous dermatome by an axial line
E. Ends at the inferior cervical ganglion
Answer» C.
discuss
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
discuss
24.

Myotome of shoulder abduction?

A. C5
B. C5, 6
C. C5, 6, 7
D. C6, 7, 8
E. C6,7
Answer» A. C5
discuss
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
discuss
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
discuss
27.

which of the following is a branch of the maxillary nerve?

A. Zygomaticotemporal nerve
E. Zygomaticotemporal nerve
Answer» A. Zygomaticotemporal nerve
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
33.

Corneal sensation synapses in which ganglion

A. Pterygopalatine
B. Geniculate
C. Otic
D. Ciliary
E. Trigeminal
Answer» E. Trigeminal
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
Chapter: Head and Neck
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss
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
discuss

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