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Challenge Yourself
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1
Which cranial nerve has three divisions (ophthalmic, maxillary, and mandibular)?
A)accessory (CN XI)
B)glossopharyngeal (CN IX)
C)trigeminal (CN V)
D)hypoglossal (CN XII)
2
The subdivision of the brain that does not initiate somatic motor movements, but rather coordinates and fine-tunes those movements is the
A)medulla oblongata.
B)cerebrum.
C)cerebellum.
D)diencephalon.
3
The visceral reflex center is housed within the
A)cerebellum.
B)superior colliculus.
C)hypothalamus.
D)pons.
4
Which of the following is not a function of the hypothalamus?
A)controls endocrine system
B)regulates sleep-wake cycle
C)controls autonomic nervous system
D)initiates voluntary skeletal muscle movement
5
Which of the following statements is false about the choroid plexus?
A)It is located within the ventricles of the brain.
B)It is composed of ependymal cells and capillaries.
C)It forms the blood-brain barrier.
D)It produces and circulates cerebrospinal fluid.
6
The ________ are descending motor tracts on the anterolateral surface of the mesencephalon.
A)olives
B)inferior colliculi
C)cerebral peduncles
D)tegmenta
7
Which cerebral lobe is located immediately posterior to the central sulcus and superior to the lateral sulcus?
A)frontal lobe
B)temporal lobe
C)parietal lobe
D)insula
8
The primary motor cortex is located in which cerebral structure?
A)precentral gyrus
B)postcentral gyrus
C)prefrontal cortex
D)postfrontal cortex
9
The ________ are the isolated, innermost gray matter areas near the base of the cerebrum, inferior to the lateral ventricles.
A)auditory association areas
B)cerebral nuclei
C)substantia nigra
D)corpus callosum fibers
10
Which structure contains some autonomic centers involved in regulating respiration?
A)pons
B)superior colliculi
C)cerebellum
D)thalamus







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