Quiz: Anatomy — AUA MCQ

Regarding the spinal cord, the following statements are true except

A A Begins as continuation of medulla oblongata B B.Filum terminale attached it to the coccyx C C.Anterior horn is sensory in function D D Lateral horns contain autonomic cells

Spinal cord of the adult ends at the level of

A A.Lower border of L3 B B. Lower border of L4 C C. Intervertebral disc betweenL1 and L2 adult D D. intervertebral disc between L3 and L4

Anterior spinal artery is a branch of

A A. Basilar artery B B.Vertebral arteries C C.Internal carotid arteries D D.External carotid arteries

Which one of the following is not a meninges

A A. Dura matter B B.White matter C C.Arachnoid mater D D. Pia matter

Spinal cord in the adult ends opposite intervertebral disc between which of following vertebrae

A A. L4-L5 B B. L1-L2 C C. S2-S3 D D. S4-S5

Regarding the spinal cord, one statement is wrong

A A. Continuous above with the medulla oblongata B B. Ends at the level of L3 in the adult C C. Has cervical and lumbar enlargements D D Has three coverings of meninges

Regarding the spinal cord following statements are true except

A A. Begins as continuation of medulla oblongata B B. filum terminale attached it to the coccyx C C. Posterior horn is motor in function D D. Lateral horns contain autonomic cells.

Regarding the spinal cord, the following are true except

A A. In newborn, it ends at level of L1 B B. Dura and arachnoid end at level of S2 C C. Anterior horn is motor D D. Posterior horn is sensory

Regarding the spinal cord the following are true except

A A. Dorsal horn is sensory. B B. Ventral horn is motor C C. Shows lateral horn in the cervical region D D. Has 2 enlargements

Spinal cord in the newborn ends at level of

A A L1-L2 B B. L4-L5 C C. L2-L3 D D. L3-L4

Regarding venous drainage following are true except

A A. 6 longitudinal interconnecting veins drain directly into azygos vein B B. Anterior spinal vein runs in the midline C C. Posterior spinal vein runs run the midline D D. Anterolateral spinal veins, two in number

Regarding arterial supply of the spinal cord, following are true except

A A. 4 longitudinal vessels run in length of the spinal cord B B. Posterior spinal arteries may arise from posterior inferior cerebellar arteries C C. Radicular arteries are derived from segmental arteries D D. Artery of Adamkiewicz may arise from lumbar artery from L1-3

Regarding endosteal layer of cranial dura mater, following are true except

A A.Forms the periosteum of the inner surface of the skull B b. At the sutures, it is continuous with the sutural ligaments C C. Continuous with the spinal dura at foramen magnum D D. At the foramina, it is continuous with the periosteum on outside of skull bones

The following are correct about the lemnisci except

A A.The medial lemniscus is the axon of gracile and cuneate nucleiafter crossing in the medulla B B.The trigeminal lemniscus carries the general sensations from the opposite site of the face and anterior of the scalp C C.The lateral lemniscus is a part of the auditory pathway D D.The spinal lemniscus is a part of the visual pathway

Following cranial nerves are attached to brain stem except

A A. Trochlear nerve B B. Optic nerve C C. Abducent nerve D D. Oculomotor nerve

Following structures are related to ventral surface of medulla except

A A. Pyramid B B. Cuneate C C. Olive D D. Roots of hypoglossal nerve

Regarding medulla oblongata, following are true except

A A. Connected to cerebellum by inferior cerebellar peduncles B B. Lower part is called open medulla C C. Ventral surface shows the pyramid D D. Dorsal surface shows gracile tract

Following cranial nerves are attached to the pons except

A A. Glossopharyngeal B B. Trigeminal C C. Vestibulocochlear D D. Facial

Following cranial nerves attached to ventral surface of brain stem except

A A.Abducent B B. Trochlear. C C. Hypoglossal D D. Occulomotor

Regarding midbrain, the following are true except

A A. Dorsal surface is called tectum B B. Ventral surface contains cerebral peduncles C C. Oculomotor nerve is attached to its dorsal surface D D. Its cavity is the cerebral aqueduct

Regarding medulla oblongata, following are true except

A A. Connected to cerebellum by inferior cerebellar peduncles B B. Lower part is called open medulla C C. Ventral surface shows the pyramid D D. Dorsal surface shows gracile tract

Regarding medulla oblongata, the following are true except

A A. Connected to cerebellum by inferior cerebellar peduncles B B. Upper part is called open medulla C C. Ventral surface shows the olive D D. Upper part of the brain stem

Regarding the brain stem, following are true except

A A. Consists of midbrain, pons and medulla oblongata B B. Lies upon basilar part of occipital bone (clivus) C C. Continuous with the spinal cord at foramen magnum D D. Continuous with diencephalon of the hindbrain

Trapezoid body is a component of

A A. Rostral midbrain B B. Rostral medulla C C. Caudal pons D D. Middle cerebellar peduncle

Following cranial nerves are attached to brain stem except

A A. Trochlear nerve B B. Optic nerve C C. Abducent nerve D D. Oculomotor nerve

Following are features of dorsal surface of closed medulla except

A A. Dorsal median sulcus; continuous with that of the spinal cord B B. Fasciculus gracilis C C. Gracile tubercle D D. Posterolateral sulcus

Regarding gross appearance of the pons, following are true except

A A. Lies posterior to the cerebellum B B. Connects medulla oblongata to midbrain C C. One inch long D D. Bridge connecting right and left cerebellar hemispheres

Regarding reticular formation following are true except

A A. Lie in the brain stem B B. Consists of complex and heterogenous matrix of neurons C C. Control over level of unconsciousness D D. Perception of pain is one of its functions

Following are functions of reticular formation except

A A.Control of skeletal muscles through corticospinal tracts B B. Control muscles of facial expression when associated with emotion C C.Control of autonomic nervous system D D.Influence on biologic clocks (rhythm).

The pons give attachment to the following nerves EXCEPT

A A. Abducent B B. Facial C c.Trochlear D D. Trigeminal.

........is attached to the pons

A A. Vagus nerve B B. Glossopharyngeal nerve C C. Abducent nerve D D. Olfactory nerve

Regarding the brain stem, following are true except

A A. Consists of midbrain, pons and medulla oblongata B B. Lies upon basilar part of occipital bone (clivus) C C. Continuous with the spinal cord at foramen magnum D D. Connected to and largely covered by the cerebellum

Regarding functional areas of the cerebrum all are true except

A A. Broca’s motor speech area lies in the parietal lobe B B. Motor cortex lies in the precentral gyrus C C. Superior temporal gyrus contains the auditory area D D. Occipital lobe is for visual function

Regarding the corpus callosum, one statement is wrong

A a. Contains association fibers B b. Genu is its anterior part C c. Splenium is its posterior part D d. Its trunk forms the roof of the central part of the lateral ventricle

Regarding insula, following are true except

A A. Part of the cerebral cortex B B. Lies within depth of the lateral fissure C C. Opercula, parts of frontal, parietal and temporal lobes overlying it D D. Apex (linen insula) is connected with posterior perforated substance

......is not a part of the corpus callosum

A A.Rostrum B B. Genu C C.Body D D. Fundus

......is not a part of the internal capsule

A A.Anterior limb B B.Genu C C. Posterior limb D D. Splenium

Regarding functional areas of the cerebrum all are true except

A A. Broca’s motor speech area lies in the parietal lobe B B. Motor cortex lies in the precentral gyrus C C. Superior temporal gyrus contains the auditory area D D. Occipital lobe is for visual function

Regarding primary visual cortex following are true except

A A. Brodmann’s areas 18 and 19 B B. Marked by calcarine sulcus C C. Occupies gyri immediately above and below calcarine sulcus D D. Responsible for visual perception

Regarding the corpus callosum, one statement is wrong

A A. Contains association fibers B B. Genu is its anterior part C C. Splenium is its posterior part D D. Its trunk forms the roof of the central part of the lateral ventricle

Following sulci are present in frontal lobe of cerebrum except

A A. Calcarine B B. Precentral C C. Superior frontal D D. Inferior frontal

Following gyri are present in frontal lobe of cerebrum except

A A. Superior frontal B B. Precentral C C. Postcentral D D. Middle frontal

Regarding primary somatosensory cortex except

A A. Occupies postcentral gyrus B B. Brodman's areas 3, 2, 1 C C. Termination of auditory radiation D D. Within it contateral half of body is represented in inverted somatotopic pattern

Following are circuit relay nuclei except

A A. Lateral geniculate body B B. Lateral ventral nucleus C C. Anterior ventral nucleus D D. Anterior nucleus

Optic radiation passes through............of the internal capsule

A A. Anterior limb B B. Genu C C. Posterior limb D D. Retrolenticular

Visual area lies in

A A. Occipital lobe B B. Temporal lobe C C. Parietal lobe D D. Frontal lobe

Regarding the internal capsule, one statement is wrong

A A. Bundle of projection fibers B B. Retrolenticular part contains visual (optic) radiations C C. Anterior limb contains frontopontine fibers, project to pontine nuclei D D. Posterior limb hass connections between mediodorsal nucleus and prefrontal cortex

Regarding the internal capsule, one statement is wrong

A A.Bundle of projection fibers B B.Retrolenticular part contains visual (optic)radiations C C.Anterior limb contains frontopontine fibers,project to pontine nuclei D D.Posterior limb contains connections between mediodorsal nucleus of thalamus and prefrontal cortex

Regarding the corpus callosum, one statement is wrong

A A.Consists of rostrum,genu,body and splenium B B.Genu is its anterior part C C.Splenium is its posterior part D D.Contains association fibers.

Cortical representation of somatic sensation lies in

A A.Central fissure B B.Pre-central gyrus C C.Post-central gyrus D D.Posterior parietal cortex

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