The filtrate that drips from the renal papillae into the calyces
A. may have lost up to 99% of its original volume.
B. is called urine.
C. has a higher concentration of waste products (urea) than the original filtrate.
D. All of the choices are correct.
Answer: D
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A) Stage I B) Stage II C) Stage III D) Stage IV
Filtration rate in the glomerulus is increased by
A) vasoconstriction of the efferent arteriole only. B) both vasodilation of the afferent arteriole and vasoconstriction of the efferent arteriole. C) both vasodilation and vasoconstriction of the efferent arteriole. D) vasodilation of the afferent arteriole only.
During which series of reactions do body cells use glucose to make energy?
A. Metabolism B. Enzyme catalysis C. Cellular respiration D. Blood clotting
FAD and NAD are coenzymes that act as ________ in biochemical reactions.
hydrogen carriers oxygen carriers energy carriers vitamin carriers