Mastering A&P CNS Brain
What neuronal action occurs at the pyramids of the medulla oblongata?
The axons of upper motor neurons cross to the opposite side of the brain.
Cutting the corpus callosum would lead to which of the following?
The right cerebral hemisphere cannot communicate directly with the left hemisphere
Neural centers that control heart rate, respiration, and blood pressure are located in the
medulla.
The brain stem consists of the
midbrain, medulla, and pons
Which of the following grooves separates the cerebrum from the cerebellum?
transverse cerebral fissure
Which of these regions of the brain, besides the cerebrum, has an outer cortical layer of gray matter?
cerebellum
Which of these regions superior-most aspect is found in close proximity to the fourth ventricle and lies lies just posterior to the pons?
cerebellum
The insula is considered to be part of the ________.
cerebrum
Which of these regions of the brain has frontal, parietal, temporal, and occipital lobes, as well as the insula?
cerebrum
vWhich of these regions of the brain contains the basal forebrain nuclei in the deep gray matter?
cerebrum
Which of these lobes of the cerebrum lies anterior to the central sulcus
frontal lobe
Which of these regions lies between the optic chiasma and the posterior border of the mammillary bodies?
hypothalamus
Which of these regions of the brain regulates body temperature, hunger, and thirst?
hypothalamus
Which of these regions of the brain regulates hormonal secretions from the pituitary gland (hypophysis)?
hypothalamus
The main visceral control center of the brain is the
hypothalamus.
If the most caudal part of the CNS is the conus medullaris, then the most rostral part is/are the
prefrontal lobes.
A shallow groove on the surface of the cerebral cortex is called a
sulcus.
Which of these regions functions to direct nearly all sensory input, except olfactory impulses, to the cerebral cortex?
thalamus
Which of these regions is the largest part of the diencephalon and forms the upper and lateral walls of the third ventricle
thalamus
Which of the following is not a midbrain structure?
third ventricle
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
we have very expressive faces