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Multiple Choice Quiz 1
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1
Which portion of the brainstem is continuous with the spinal cord?
A)medulla oblongata
B)midbrain
C)pons
D)thalamus

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2
Which is NOT a part of the brainstem?
A)medulla oblongata
B)midbrain
C)pons
D)thalamus

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3
Which of the following brain regions does NOT belong with the others?
A)medulla oblongata
B)midbrain
C)pons
D)thalamus

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4
What are the enlargements on the medulla oblongata that are involved in conscious skeletal muscle control?
A)cardiac center
B)olives
C)pyramids
D)decussate

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5
Which of the following serves as a motor center that is involved in maintaining muscle tone and coordinating movements?
A)inferior olivary nucleus
B)red nucleus
C)substantia nigra
D)suprachaismatic nucleus
6
Because of injuries received in an automobile accident, a young man remains hospitalized in a coma. It is likely the injuries affected his
A)amygdala.
B)hippocampus.
C)limbic system.
D)reticular formation.
7
Another term for "midbrain" is
A)pons.
B)mesencephalon.
C)cerebrum.
D)cerebellum.

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8
The _________ is the most-specific part of the midbrain that is an integral part of the auditory pathway.
A)corpora quadrigemina
B)superior colliculi
C)inferior colliculi
D)tectum
9
Which of the following is NOT one of the three large nerve tracts connecting the cerebellum to the rest of the central nervous system?
A)superior cerebellar peduncles
B)middle cerebellar peduncles
C)inferior cerebellar peduncles
D)anterior cerebellar peduncles
10
Cerebral cortex ridges are called
A)tonsils.
B)folia.
C)vermis.
D)lobes.

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11
The simplest part of the cerebellum is (are) the
A)vermis.
B)arbor vitae.
C)flocculonodular lobe.
D)lateral hemispheres.
12
Which of the following is (are) NOT a major part of the cerebellum?
A)tegmentum
B)flocculonodular lobe
C)vermis
D)lateral hemispheres

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13
Which of the following is the largest feature of the diencephalon?
A)thalamus
B)subthalamus
C)epithalamus
D)hypothalamus

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14
The small stalk connecting the two lateral portions of the thalamus is known as the
A)interthalamic adhesion
B)intermediate mass
C)Both A and B.
D)Neither A nor B.
15
Axons carrying auditory information synapse in the
A)medial geniculate nucleus
B)lateral geniculate nucleus
C)ventral geniculate nucleus
D)None of the above.
16
Axons carrying visual information synapse in the
A)medial geniculate nucleus
B)lateral geniculate nucleus
C)ventral geniculate nucleus
D)None of the above.
17
Axons carrying information other than visual or auditory information synapse in the
A)medial geniculate nucleus
B)lateral geniculate nucleus
C)ventral geniculate nucleus
D)None of the above.
18
Which of the following is NOT a part of the diencephalons?
A)hypothalamus
B)pineal gland
C)pons
D)thalamus

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19
The stalk that connects the hypothalamus to the pituitary is the
A)corpus callosum.
B)infundibulum.
C)insula.
D)intermediate mass.

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20
Which lobes of the cerebrum serve as the main center for receiving and processing of sensory information EXCEPT for smell, hearing and vision?
A)frontal
B)occipital
C)parietal
D)temporal
21
Which lobes receive and interpret sensory input for smell and / or hearing?
A)frontal and temporal
B)frontal and occipital
C)parietal and occipital
D)temporal and occipital
22
The right and left cerebral hemispheres are separated by the
A)central sulcus.
B)fissure of Rolando.
C)fissure of Sylvius.
D)longitudinal fissure.

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23
Which of the following is NOT one of the lobes of the cerebral hemisphere?
A)ethmoid
B)frontal
C)occipital
D)temporal

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24
The _______ comprises the bulk of the mature adult brain.
A)cerebellum
B)cerebrum
C)medulla oblongata
D)pons
25
The posterior boundary of the frontal lobe is the
A)anterior median fissure.
B)central sulcus.
C)lateral sulcus.
D)posterior median sulcus.

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26
What type of nuclei in the cerebrum are involved in control of motor functions?
A)ependymal cells
B)candate nucleus
C)basal nuclei
D)lentiform nucleus

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27
Which of the following is or are located within the white matter of the cerebrum?
A)basal nuclei
B)red nucleus
C)substantia negra
D)suprachiasmatic nucleus

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28
All of the following are part of the limbic system EXCEPT the
A)amygdala
B)fornix
C)habenula
D)hippocampus

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29
What lobe of the cerebrum is located deep within the lateral sulcus?
A)frontal
B)insula
C)parietal
D)temporal
30
A ridge or fold on the surface of the cerebrum is called a
A)ganglion
B)gyrus
C)lobe
D)sulcus

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31
The tracts of nerves in the cerebrum consist of all of the following EXCEPT
A)insula fibers.
B)association fibers.
C)commissural fibers.
D)projection fibers.

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32
Gyri on the cerebral surface _______ the surface area of the cortex.
A)slightly increase
B)greatly increase
C)slightly decrease
D)greatly decrease

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33
Venous blood flows through the _______, located in some areas of the meninges surrounding the brain.
A)dural venous sinuses
B)epidural spaces
C)subarachnoid spaces
D)ventricles
34
Dural sinuses contain
A)air.
B)cerebrospinal fluid.
C)serous fluid.
D)venous blood.
35
What is the name for the portion of the dura mater that separates the cerebellum from the overlying cortex?
A)falx cerebri
B)falx cerebelli
C)tectoral membrane
D)tentorium cerebelli
36
What is the name for the portion of the dura mater that separates the two cerebellular hemispheres?
A)falx cerebri
B)falx cerebelli
C)tectoral membrane
D)tentorium cerebelli

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37
The cluster of specialized capillaries at which cerebrospinal fluid is secreted into a ventricle is the
A)arachnoid granulation.
B)cervical plexus.
C)choroids plexus.
D)pampiniform plexus.
38
The cerebrospinal fluid circulates around the brain and spinal cord in the
A)epidural space.
B)neural tube.
C)subarachnoid space.
D)subdural space.
39
The fingerlike structure at which the reabsorption of cerebrospinal fluid occurs is the
A)arachnoid ganulation.
B)choroids plexus.
C)chorionic villus.
D)folium.

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40
Cerebrospinal fluid circulates from the third ventricle to the fourth through the
A)cerebral aqueduct.
B)foramen of Magendie.
C)foramina of Monro.
D)interventricular foramina.
41
From superficial to deep, the three layers of the meninges are
A)dura mater - pia mater - arachnoid mater
B)dura mater - arachnoid mater - pia mater
C)pia mater - dura mater - arachnoid mater
D)pia mater - arachnoid mater - dura mater

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42
Which of the following is a space within the brain that is filled with cerebrospinal fluid?
A)dural sinus
B)subarachnoid space
C)subdural space
D)ventricle
43
Which of the following is NOT a function of the cerebrospinal fluid?
A)It forms a protective cushion around the brain and spinal cord.
B)It helps nourish cells and maintain a stable ion balance in the central nervous system.
C)It transports oxygen in red blood cells to neurons in the central nervous system.
D)It transports waste back to the blood.
44
The ______ ascend(s) to the head along the anterior - lateral part of the neck.
A)internal carotid arteries
B)vertebral arteries
C)basilar artery
D)cerebral arterial circle
45
The ______ ascend(s) to the head along the posterior part of the neck.
A)internal carotid arteries
B)vertebral arteries
C)basilar artery
D)cerebral arterial circle
46
The cerebral arterial circle is comprised of the
A)basilar artery.
B)internal carotid artery.
C)Both A and B.
D)Neither A nor B.
47
Lipid-soluble substances move through the blood-brain barrier by
A)active transport.
B)mediated transport.
C)diffusion.
D)None of the above.
48
Water-soluble substances move through the blood-brain barrier by
A)active transport.
B)mediated transport.
C)diffusion.
D)None of the above.
49
Which of the following is NOT one of the three branches of the cerebral arterial circle?
A)anterior branch
B)middle branch
C)lateral branch
D)posterior branch
50
The central nervous system develops from the embryonic
A)neural plate.
B)forebrain.
C)hindbrain.
D)midbrain.
51
The embryonic forebrain gives rise to the
A)cerebrum and cerebellum
B)cerebrum and midbrain
C)cerebrum and diencephalon
D)cerebellum and diencephalon
52
Which of the following is NOT a stage in the development of the central nervous system?
A)neural tube
B)neural plate
C)three-vesicle brain
D)four-vesicle brain

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53
The bulk of the adult human brain develops from which of the following secondary vesicles during embryonic development?
A)diencephalon
B)mesencephalon
C)myelencephalon
D)telencephalon
54
Which of the following adult brain regions does NOT develop from the embryonic hindbrain?
A)cerebellum
B)medulla oblongata
C)pons
D)thalamus

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55
There are _____ pairs of cranial nerves.
A)12
B)21
C)31
D)43
56
Sensory impulses from taste receptors are transmitted to the brain on which of the following cranial nerves?
A)I, II and VIII
B)III, IV and VI
C)VII, IX and X
D)only VII
57
The anesthetic a dentist injects before drilling to clean and repair a cavity is done to block sensory impulses from a branch of what cranial nerve?
A)abducens
B)facial
C)trigeminal
D)trochlear
58
Which of the following cranial nerves does NOT contain only sensory fibers?
A)olfactory
B)optic
C)trigeminal
D)vestibulocochlear
59
Each of the following cranial nerves supplies motor impulses to muscles of the eye EXCEPT the
A)abducens
B)oculomotor
C)trigeminal
D)trochlear
60
Autonomic fibers of the _______ nerve carry motor impulses to the heart and many smooth muscles and glands in the viscera of the thorax and abdomen.
A)abducens
B)accessory
C)trochlear
D)vagus
61
Which of the following cranial nerves does NOT originate from the brainstem?
A)abducens
B)hypoglossal
C)olfactory
D)trigeminal
62
The nerve fibers carrying sensory information through the cribriform plate of the ethmoid bone are associated which the _______ nerve.
A)accessory
B)olfactory
C)ophthalmic
D)optic
63
How many of the 12 pairs of cranial nerves enter or exit the central nervous system through the brainstem?
A)9
B)10
C)11
D)12

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64
Which cranial nerve innervates four of the six muscles that move the eye and the levator palpebrae superioris muscle that raises the superior eyelid?
A)abducens
B)oculomotor
C)optic
D)trochlear
65
A drooping upper eyelid is a symptom indicative of possible damage to what cranial nerve?
A)abducens
B)oculomotor
C)optic
D)trochlear
66
Which of the following cranial nerves transmit sensory impulses pertaining to taste to the brainstem?
A)abducens and facial
B)facial, glossopharyngeal and vagus
C)trigeminal and facial
D)trigeminal and trochlear
67
The only cranial nerve involved in sensory cutaneous innervation is the
A)facial.
B)glossopharyngeal.
C)trigeminal.
D)vagus.
68
Which cranial nerve controls the muscles involved in chewing?
A)facial
B)glossopharyngeal
C)trigeminal
D)vagus
69
What cranial nerve causes movements of the tongue involved in speaking, manipulating food and swallowing?
A)facial
B)hypoglossal
C)trigeminal
D)vagus
70
What two pairs of cranial nerves do NOT enter or exit the central nervous system through the brainstem?
A)abducens and optic
B)olfactory and optic
C)olfactory and oculomotor
D)optic and oculomotor

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71
All of the following are categories of cranial nerve function EXCEPT
A)parasympathetic
B)sensory
C)somatic motor
D)sympathetic
72
The jugular foramen provides a route of passage through the cranium for which of the following cranial nerves?
A)accessory and hypoglossal
B)facial and vestibulocochlear
C)olfactory and optic
D)glossopharyngeal, vagus and accessory





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