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Brain and Cranial Nerves Practice Questions
1) Which brain vesicle gives rise to the midbrain and cerebral aqueduct?
a) Prosencephalon
b) Mesencephalon
c) Rhombencephalon
d) Telencephalon
e) Myelencephalon
2) Which of the following brain structures consists of the medulla oblongata, pons and midbrain?
a) Brain stem
b) Cerebrum
c) Cerebellum
d) Diencephalon
e) Dura mater
3) Which of the following meninges has two layers?
a) Spinal dura mater
b) Cranial dura mater
c) Spinal arachnoid mater
d) Cranial arachnoid mater
e) All of these choices
4) Which extension of the dura mater separates the two hemispheres of the cerebrum?
a) Falx cerebelli
b) Tentorium cerebelli
c) Falx Cerebri
d) Tentorium cerebri
e) None of these choices
5) Cerebrospinal fluid carries small amounts of chemicals like glucose from the _____ to
neurons and neuroglia.
a) interstitial fluid
b) bile
c) intracellular fluid
d) arachnoid space
e) blood
6) Which of the following is a fluid-filled cavity located in each hemisphere of the cerebrum?
a) Third ventricle
b) Septum pellucidum
c) Fourth ventricle
d) Lateral ventricle
e) Corpus callosum
7) Which of the following is a narrow fluid-filled cavity found along the midline superior to the
hypothalamus and between the right and left halves of the thalamus?
a) Lateral ventricle
b) Septum pellucidum
c) Third ventricle
d) Fourth ventricle
e) Fifth ventricle
8) Which of the following describes a function of cerebrospinal fluid?
1. Mechanical protection
2. pH homeostasis
3. Circulation
a)
b)
c)
d)
e)
1 only
2 only
3 only
Both 1 and 2
All of these choices
9) Which of the following are networks of capillaries that produce cerebrospinal fluid and are
found in the walls of the ventricles of the brain?
a) Choroid plexuses
b) Lateral apertures
c) Interventricular foramina
d) Brachial plexuses
e) Aqueduct of the midbrain
10) Which fingerlike projections found in the dural venous sinuses reabsorb cerebrospinal fluid?
a) Choroid plexuses
b) Microvilli
c) Arachnoid villi
d) Dural villi
e) Lemnisci
11) Which brain structure is responsible for the “startle reflex” in response to loud sounds?
a) Superior colliculus
b) Inferior colliculus
c) Pontine nucleus
d) Medial lemniscus
e) Arbor vitae
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12) Which region of the brain contains the pontine respiratory group and apneustic areas that
help control respiration?
a) Spinal cord
b) Midbrain
c) Pons
d) Thalamus
e) Cerebellum
13) Pyramids are _________________.
a) gray matter protrusions found on the medulla oblongata.
b) white matter protrusions found on the medulla oblongata.
c) gray matter protrusions found on the pons.
d) white matter protrusions found on the pons.
e) a network of white and gray matter found in the medulla oblongata.
14) Which of the following is a branch of the trigeminal (V) nerve?
a) Opthalmic nerve
b) Maxillary nerve
c) Mandibular nerve
d) All of these are branches of the trigeminal (V) nerve
e) None of these are branches of the trigeminal (V) nerve
15) Which of the following is a nucleus found in the medulla oblongata that receives sensory
information associated with touch, pressure and vibration?
a) Tectum
b) Superior colliculus
c) Substantia nigra
d) Pontine nucleus
e) Gracile nucleus
16) Which portion of the cerebellum contributes to equilibrium and balance?
a) Tentorium cerebelli
b) Anterior lobe
c) Posterior lobe
d) Flocculonodular lobe
e) Transverse fissure
17) The cerebellar cortex consists of folia, which are:
a) parallel folds of white matter.
b) found in the vermis only.
c) portions of the pyramids.
d) parallel folds of gray matter.
e) used in the RAS system.
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18) Which region of the brain serves as the major relay station for most sensory impulses that
reach the primary sensory areas of the cerebral cortex from the spinal cord and brain stem?
a) Thalamus
b) Hypothalamus
c) Epithalamus
d) Pons
e) Midbrain
19) Which of the following are NOT controlled by the hypothalamus?
a) Hunger
b) Thirst
c) Blood calcium concentration
d) Emotional behavior
e) Body temperature
20) Which of the following functional areas of the cerebrum is responsible for sensing body
touch and temperature?
a) Broca’s area
b) Primary visual area
c) Common integrative area
d) Prefrontal cortex area
e) Primary somatosensory area
21) Which of the following functional areas of the cerebrum is responsible for speech?
a) Broca’s area
b) Primary gustatory area
c) Common integrative area
d) Prefrontal cortex area
e) Primary somatosensory area
22) Which of the following cranial nerves is responsible for regulating visceral activity?
a) Oculomotor
b) Trigeminal
c) Spinal accessory
d) Facial
e) Vagus
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Use the first diagram to the right for the next two
questions.
23) Which of the labeled structures in the diagram
contains centers that control heart rate and blood
pressure? ______________
24) This major portion of the brain is used to monitor
movements initiated by the motor areas of the
cerebrum. ______________
Use the second diagram to the right to answer the next 6 questions.
25) Which cranial nerve in the diagram has a somatic motor
function primarily involved in moving the upper eyelid and
eyeball? ______________
26) Which cranial nerve in the diagram has an autonomic
motor function primarily involved in near vision
accommodation and constriction of the pupil?
______________
27) Which cranial nerve in the diagram has a somatic motor
function primarily involved in chewing? ______________
28) Damage to which cranial nerve in the diagram will
cause the inability of an eyeball to move laterally beyond
the midpoint? ______________
29) Which cranial nerve in the diagram has an autonomic motor function primarily involved in
the secretion of saliva and tears? ______________
30) Which cranial nerve in the diagram causes heart rate to decrease? ______________
31) Blood flows to the brain through the _____ arteries and away from the brain through the
_____ vein.
a) internal carotid and vertebral; internal jugular
b) external carotid and vertebral; external jugular
c) internal jugular and vertebral; internal carotid
d) internal carotid and axillary; internal jugular
e) external jugular and axillary; external jugular
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32) Which of the following statements best describes the structure of the blood-brain barrier that
provides its functional characteristics?
a) Processes of astrocytes wrap tightly around capillaries in the brain.
b) Tight junctions tightly seal endothelial cells of capillaries in the brain.
c) Gap junctions tightly seal endothelial cells of capillaries in the brain.
d) Spot desmosomes tightly link capillary endothelial cells together.
e) The basement membrane of capillaries in the brain contains extremely small pores.
33) A deep indentation found along the medial plane that separates the right and left cerebral
hemispheres is called the
a) septum pellucidum.
b) transverse fissure.
c) tentorium cerebelli.
d) corpus callosum.
e) longitudinal fissure.
34) The central sulcus of the cerebrum separates the
a) two cerebral hemispheres.
b) frontal lobe from the parietal lobe.
c) frontal lobe from the temporal lobe.
d) parietal lobe from the temporal lobe.
e) temporal lobe from the occipital lobe.
35) Which lobe of the cerebrum is found deep to the other four lobes and thus cannot be
observed from the surface?
a) occipital lobe
b) temporal lobe
c) parietal lobe
d) insula
e) corpus callosum
36) Which three areas of gray matter found in each cerebral hemisphere are important in helping
to control the initiation and termination of skeletal muscle movements?
a) red nuclei
b) vestibular nuclei
c) lateral olivary nuclei
d) basal nuclei
e) autonomic ganglia
37) Damage to which portion of the limbic system results in loss of memory of recent events and
difficulty committing anything new to memory?
a) amygdala
b) dentate gyrus
c) cingulate gyrus
d) hippocampus
e) septal nuclei
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Answers
1. b
2. a
3. b
4. c
5. e
6. d
7. c
8. e
9. a
10. c
11. b
12. c
13. b
14. d
15. e
16. d
17. d
18. a
19. c
20. e
21. a
22. e
23. d
24. e
25. c
26. c
27. e
28. f
29. g
30. k
31. a
32. b
33. e
34. b
35. d
36. d
37. d
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