Sebum is a secretion that

A. cools the skin and eliminates certain drugs.
B. lubricates skin and helps defend against bacteria.
C. acts as a pheremone once reproductive maturity is reached.
D. maintains water balance through waterproofing the skin.


Answer: B

Anatomy & Physiology

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An abnormal band of tissue narrowing a passage is termed ________________________________________

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Which of the following is a chronotropic agent that decreases heart rate?

A) glucagon B) norepinephrine C) epinephrine D) acetylcholine

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How many of the 12 pairs of cranial nerves connect to the brainstem?

A) 9 B) 10 C) 11 D) 12

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Which of the following is characterized as a slowly progressing disease that is irreversible?

A) acute renal failure B) chronic renal failure C) dysuria D) prostate enlargement E) kidney stones

Anatomy & Physiology