When we imagine a person exhibiting the anatomical position, the palms of the hands are assumed to be facing:
A) backward. B) forward. C) down. D) to the side.
Answer: B
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Why is the skin capable of repair, even after serious damage?
A) All layers of the skin have an excellent blood supply. B) Stem cells persist in both the epidermis and dermis. C) Individual skin cells have a high metabolic rate. D) There are abundant fibroblasts in the epidermis. E) Construction of scar tissue is easier than making normal skin.
Define antiseptic
What will be an ideal response?
In X-linked inheritance, the gene for albinism is located on an X chromosome. If the father has albinism and mother is normal, the chance for the child to be a normal carrier (genotype) is:
a. 0% b. 25% c. 50% d. 75% e. 100%
Which of the following is TRUE about how water is handled by the nephron?
A. Water is actively secreted into the descending loop of Henle. B. Vasopressin inserts pumps in the collecting duct membrane that move water against its concentration gradient. C. Water is actively reabsorbed from the proximal tubule, and Na+ follows down its diffusion gradient. D. Water is filtered out of glomerular capillaries by bulk flow. E. The permeability of the ascending limb of the loop of Henle is modified by vasopressin.