31) The fluid-filled ventricles within the cerebrum are similar in function to the ________ of the spinal cord.
A) subarachnoid space
B) central canal
C) pia mater
D) dura mater
32) The function of the blood-brain barrier is to
A) keep neurons from innervating blood vessels.
B) prevent all contact between bloodborne molecules and brain tissue.
C) help protect the central nervous system.
D) provide an impenetrable barrier between blood and brain, because the brain gets all its nourishment from the cerebrospinal fluid.
33) Three "seeing/vision" nuclei that occupy the midbrain of humans are the
A) red nucleus, substantia nigra, and cerebral peduncle.
B) inferior colliculi, reticular formation, and periaqueductal gray.
C) lateral geniculate, red nucleus, and visual association area.
D) superior colliculi, motor nucleus for oculomotor nerve, and motor nucleus for trochlear nerve.
34) Which of the following is associated with Alzheimer's disease?
A) accumulation of protein plaques around neurons
B) cerebral ischemia
C) deterioration of the substantia nigra of the midbrain
D) inadequate vitamin B
35) Shearing of axons in a diffuse axonal injury causes such widespread disruptions because such an injury involves
A) association fibers.
B) commissural fibers.
C) projection fibers.
D) pyramidal tract fibers.
36) Which of the following is a descending motor spinal tract?
A) dorsal column pathway
B) pyramidal pathway
C) spinocerebellar pathway
D) spinothalamic pathway
37) What types of sensory information are conveyed toward the brain in the lateral spinothalamic tracts?
A) discriminative touch
B) equilibrium
C) pain and temperature
D) visual senses
38) Cerebrospinal fluid is produced by choroid plexuses in all the following locations
except
the
A) central canal.
B) fourth ventricle.
C) lateral ventricle.
D) third ventricle.
39) Which of these lobes of the cerebrum lies anterior to the central sulcus?
A) occipital lobe
B) cerebellum
C) temporal lobe
D) frontal lobe
40) Which region of the cerebellum functionally sequences complex voluntary muscle contractions to adjust posture as body position changes?
A) the deep cerebellar nuclei
B) white matter
C) the cortex
D) the flocculonodular lobes