When repolarization of a neuron is complete, the
A. original polarity of the neuron is restored.
B. cell no longer has a potential difference across its membrane.
C. neuron is no longer excitable.
D. neuron dies.
E. neuron regenerates.
Answer: A
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Along with insulin, amylin is a hormone that a diabetic pancreas fails to produce. It is comprised of a long chain of amino acids. It cannot cross the cell membrane, so it binds to a receptor on the cell surface to elicit an action. Which hormone class is amylin?
A. A protein hormone B. A peptide hormone C. A steroid hormone D. A prostaglandin
Distention of the stomach
a. triggers the gastrocolic reflex b. encourages motility in the intestines c. results in salivation d. does both a and b e. does both b and c
The ONLY indication for removing contact lenses in the prehospital setting is:
A) chemical eye burns. B) acute conjunctivitis. C) cardiopulmonary arrest. D) a foreign body in the eye.
Which is true regarding the absorption of nutrients during digestion?
A. Fat-soluble vitamins (A, D, E, and K) are absorbed along with the products of protein digestion. B. Lipids are chemically digested to fatty acids and glycerides, and were absorbed into the lacteals in the large intestinal villi. C. Proteins are chemically digested to amino acids and absorbed into the blood of capillaries in the small intestine. D. Carbohydrates are chemically digested to monosaccharides and were also absorbed into the blood of capillaries in the stomach.