Thalamic nuclei function to
A) relay sensory information to the cerebral nuclei and cerebral cortex.
B) pass motor information to the descending tracts and to the spinal cord.
C) relay information to the mamillary bodies.
D) relay information to the occipital lobes.
E) None of the answers are correct.
A) relay sensory information to the cerebral nuclei and cerebral cortex.
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Normally, an adult at rest should have respirations that:
A) are 20 to 24 breaths/min with adequate chest rise. B) follow a regular pattern of inhalation and exhalation. C) have a slightly reduced tidal volume and normal rate. D) are adequate to sustain a heart rate of 80 beats/min.
Oxygen diffusion distances are greater in glycolytic muscles because glycolytic muscles __________ than aerobic muscles
A) Are smaller B) Have fewer capillaries C) Have higher oxygen demands D) All of the above Fill in the blank with the correct answer.
Pinocytosis is a type of __________.
a) endocytosis b) facilitated diffusion c) receptor-mediated exocytosis d) exocytosis
A genetic mutation prevents the parietal cells of the gastric glands from secreting their typical products. What effect would this have on digestion within the stomach?
A. Hydrochloric acid would not be produced, so pepsinogen would not be activated to form pepsin. B. Somatostatin would be secreted, so all digestion would be halted. C. Pepsinogen would not be secreted, so protein digestion would not occur within the stomach. D. The stomach would not produce a protective mucus coating and would digest itself.