CCRN Exam 1 with Questions and Solutions

CCRN Exam 1 with Questions and Solutions What is the affect of ADH on urine formation? A. Retention of sodium & water, excretion of potassium B. Excretion of sodium & water, excretion of potassium C. Retention of water, concentration of urine D. Excretion of water, dilution of urine ANSWER C. Retention of water, concentration of urine The releasing stimulus for ADH is normally? A. Decreased serum wall myocardial infarction B. Increased serum osmolarity (dehydrated) C. An elevated circulatory cortisol level D. Increased serum potassium levels ANSWER B. Increased serum osmolarity (dehydrated) The normal serum osmolarity is within the range of: A. 145-155 mOs./L B. 200-250 mOs./L C. 275-295 mOs./L D. 325-375 mOs./L ANSWER C. 275-295 mOs./L 295 = dehydrated 275 = dilute/fluid overload