21) Which of these regions of the brain contains the basal forebrain nuclei in the deep gray matter?
A) hypothalamus
B) cerebrum
C) cerebellum
D) thalamus
22) Which of these regions is the largest part of the diencephalon and forms the upper and lateral walls of the third ventricle?
A) hypothalamus
B) cerebrum
C) cerebellum
D) thalamus
23) Which of these regions functions to direct nearly all sensory input, except olfactory impulses, to the cerebral cortex?
A) hypothalamus
B) cerebrum
C) cerebellum
D) thalamus
24) Which of these regions of the brain regulates hormonal secretions from the pituitary gland (hypophysis)?
A) hypothalamus
B) cerebrum
C) cerebellum
D) thalamus
25) Which of these regions lies between the optic chiasma and the posterior border of the mammillary bodies?
A) hypothalamus
B) cerebrum
C) cerebellum
D) thalamus
26) A "motor homunculus" can be visualized as an overlay on the precentral gyrus. The reason why the facial region of this homunculus covers such a large surface area is because
A) our ears are large for hearing.
B) our eyes are large for seeing.
C) we have very expressive faces.
D) we have very sensitive lips.
27) It is easy to confuse the terms
sulcus
and
gyrus
(on the cerebral cortex). The difference between these two terms is that
A) a sulcus corresponds to a folia on the cerebellum, whereas a gyrus corresponds to a fissure.
B) a sulcus is the same as a fissure on the cerebral cortex, whereas a gyrus is a lobe.
C) a sulcus is a groove, and a gyrus is a deeper groove.
D) a gyrus is a ridge, and a sulcus is a groove.
28) The cell bodies located in the anteriormost region of the spinal cord's gray matter belong to this group.
A) somatic motor
B) somatic sensory
C) visceral motor
D) visceral sensory
29) The axons in the inferior olivary nuclei relay sensory impulses for
A) vision.
B) proprioception.
C) sound.
D) smell.
30) The visual association area of the cerebral cortex is located in the
A) frontal lobe.
B) insula.
C) parietal lobe.
D) occipital lobe.