What do alpha cells of the pancreas secrete?

A. Somatostatin
B. Insulin
C. Pancreatic polypeptide
D. Glucagon
E. Gastrin


Answer: D

Anatomy & Physiology

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How many chromosomes do human somatic cells contain?

a. 48 b. 46 c. 32 d. 24 e. 23

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Which of the following properties characterize fast-oxidative muscle fibers?

a. high myosin-ATPase activity b. low myosin-ATPase activity c. low oxidative capacity d. both high myosin-ATPase activity and low oxidative capacity are correct. e. both low myosin-ATPase activity and low oxidative capacity.

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Where, specifically, do auditory nerve signals originate?

A. Basilar membrane B. Spiral ganglion C. Cochlea D. Modiolus E. Spiral organ (organ of Corti)

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After the cells lining the proximal convoluted tubule remove all organic nutrients, plasma proteins, and ions from the filtrate, additional reabsorption of water and electrolytes occurs in the:

A) glomerulus. B) macula densa. C) loop of Henle. D) distal convoluted tubule.

Anatomy & Physiology