The epidermis consists of five layers of cells, each layer with a distinct role to play in the health, well-being, and functioning of the skin. Which of the following layers is responsible for cell division and replacement?
A) stratum corneum
B) stratum granulosum
C) stratum lucidum
D) stratum basale
D
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The zona reticularis of the adrenal cortex produces
A) androgens. B) glucocorticoids. C) mineralocorticoids. D) epinephrine. E) norepinephrine.
The breathing rate of an infant
a) Is twice as fast as an adult b) Causes greater water loss from the lungs c) Removes less carbon dioxide than in an adult d) Makes the infant blood more acidic e) Is normal to an adult
Purported beneficial effects of melatonin include all of the following EXCEPT ________.
A. treating insomnia B. preventing oxidative damage to cells C. limiting the effects of jet lag D. promoting weight loss
The visceral pleura lines the ________
A) thoracic cavity B) heart C) lungs D) digestive organs