51) Cutting the corpus callosum would lead to which of the following?
A) The right cerebral hemisphere cannot communicate directly with the left hemisphere.
B) Visual reflexes are lost.
C) Emotional problems develop.
D) One-half of the body is paralyzed.
52) What is the anatomical distinction between the basal ganglia and the basal forebrain nuclei?
A) The basal forebrain nuclei are located in the prefrontal cortex, whereas the basal ganglia are within the midbrain.
B) The basal forebrain nuclei are located closer to the hypothalamus, whereas the basal ganglia lie near the internal capsule.
C) The basal ganglia are located in the brain stem, whereas the basal forebrain nuclei are located within the cerebrum.
D) The basal ganglia are located outside the CNS, whereas the basal forebrain nuclei are located within the cerebrum.
53) The abstract representation of the homunculus overlaid on the somatosensory cerebral cortex has the
A) head and face proximal to the longitudinal fissure.
B) feet and ankles distal to the longitudinal fissure.
C) thumbs and fingers proximal to the longitudinal fissure.
D) genitals proximal to the longitudinal fissure.
54) Which of the following is a motor area for vision?
A) frontal eye field
B) premotor cortex
C) primary visual cortex
D) visual association area
55) Posterior gray horns of the spinal cord consist of
A) cell bodies of interneurons.
B) dorsal roots.
C) sensory ganglia.
D) motor neurons.
56) The cauda equina
A) consists of hair like the tail of a horse.
B) describes the radiating patterns of projection fibers.
C) is a series of nerve roots in the lumbar and sacral region.
D) is confined to the thoracic and cervical segments of the spinal cord.
57) The calcarine sulcus contains which functional area?
A) primary somatosensory
B) auditory association
C) frontal eye field
D) primary visual
58) A lesion to the inferior olivary nucleus in the medulla would interfere with the function of which other structure(s)?
A) spinal motor neurons
B) the limbic system
C) the reticular formation
D) the cerebellum
59) One of the distinctions between the cerebrum and cerebellum is that
A) gray matter is found superficially and deep in the cerebrum but is present only superficially in the cerebellum.
B) fibers of the cerebellum enter and leave ipsilaterally, whereas those of the cerebrum enter and leave contralateraly.
C) the cerebrum is folded into gyri and lobes, whereas the cerebellum is only folded into folia but lacks lobes.
D) the cerebellum is involved only in refining motor responses, whereas the cerebrum is involved in both motor function and cognition.
60) Cerebrospinal fluid is located within the
A) subarachnoid space.
B) orbits.
C) cerebral cortex.
D) superior sagittal sinus.