In the the "rule of nines," the perineum accounts for ________ percent of the body surface area.
A. 18
B. 9
C. 4.5
D. 1
Answer: D
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The first major branch of the aortic arch is the ________ branch.
Fill in the blank(s) with the appropriate word(s).
Which of the following will the body begin to do in order to compensate for hyperkalemia?
A. Increase the release of atrial natriuretic hormone B. Vasoconstriction of blood vessels C. Decrease aldosterone secretion D. Increase aldosterone secretion E. Increase ADH secretion
Due to the negative intrapleural pressure, the pleural sac must remain airtight. If the pleural sac were broken, as in a piercing wound, which of the following would happen?
A. The lungs would collapse. B. The lungs would expand outward. C. The lungs would remain the same. D. The lungs would burst.
Night blindness develops from a deficiency of vitamin ____________________
Fill in the blank(s) with correct word