A decrease in which of the following would be expected to occur in response to a direct increase in renal aerial pressure?: (A) Glomerular filtration rate, (B) Water excretion, (C) Sodium excretion, (D) Extracellular fluid volume
Answer is C. An increase in renal aerial pressure results in pressure natriuresis and diuresis. The loss of sodium and water tends to decrease extracellular fluid volume