Which hormone-secreting cells are found in the pancreas?
A) Chromaffin cells
B) Follicular cells
C) Islet cells
D) Chief cells
Answer: C
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The term down-regulation refers to the process by which
A. a glandular cell decreases the amount of hormone it secretes. B. a large amount of hormone shuts down all metabolic activity in a target cell. C. a cell decreases the number of receptors it has for a hormone. D. a carrier protein increases the rate of degradation for a hormone and thereby decreases its blood concentration. E. a carrier protein decreases the rate of degradation of the protein it ferries.
Proton-pump inhibitors are drugs that block the secretions of gastric acids. Which cells are affected by these drugs?
A) chief cells B) diffuse neuroendocrine system (DNES) cells C) mucous neck cells D) parietal cells
A champion weight lifter picks up a pencil. A minute later she picks up a sixty-pound object using the same muscles. What was different about the two movements? Also, what are the differences (at the cellular and molecular levels) in her arm muscles as compared to those of a weaker, untrained person?
What will be an ideal response?
On entering the lungs, the primary bronchi divide to form smaller bronchi called ____ bronchi
a. segmental b. tertiary c. lobar d. terminal