Which of the following does not describe the regulation of hormone secretion?
A. A substance other than a hormone stimulating a gland
B. Stimulation of a gland by another hormone
C. Neural stimulation of a gland
D. All of these describe a method of hormone secretion.
Answer: D
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When a muscle is stimulated repeatedly at a high rate, the amount of tension gradually increases to a steady maximum tension. This state of maximum tension is called
A) incomplete tetanus. B) complete tetanus. C) a twitch. D) wave summation. E) recruitment.
Parietal cells secrete
A) pepsinogen. B) gastrin. C) mucus. D) hydrochloric acid. E) enteropeptidase.
Which of the following diseases result when the cells marked in the histology image are destroyed by the immune system?
a) Cushing's disease b) Addison's disease c) Acromegaly d) Type 1 diabetes e) Diabetes insipidus
The vein in the arm commonly sampled for blood by venipuncture is the
A) ulnar vein. B) radial vein. C) median cubital vein. D) brachial vein. E) cephalic vein.