Cardiac output
a. is the volume of blood pumped by each ventricle during each contraction or beat
b. is the volume of blood pumped by each ventricle per minute
c. equals heart rate divided by stroke volume
d. is both a and c
e. is both b and c
B
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ADH level in blood regulates water output by what mechanism?
A. The amount of sodium ions reabsorbed by the distal convoluted tubules and collecting ducts is altered B. The amount of water reabsorbed at the distal convoluted tubules and collecting ducts is altered C. The amount of water reabsorbed at the nephron loops is altered D. The amount of filteration at the glomeruli is altered
The physical process by which a single animal cell separates into two cells is called
A) cytosis. B) mitosis. C) cytokinesis. D) phoresis. E) meiosis.
In the process of urine formation, first
A. filtrate is formed, then tubular fluid, then urine. B. tubular fluid is formed, then filtrate, then urine.
Aldosterone
A) helps decrease blood volume. B) is secreted in response to elevated levels of sodium in the blood. C) increases the concentration of sodium in urine. D) promotes sodium retention in the kidneys. E) functions in pH regulation.