ATI RN
Nutrition and Fluid Balance Questions
Question 1 of 5
A rise in the pH by 0.1 causes what decrease in serum K+?
Correct Answer: C
Rationale: A 0.1 increase in pH typically shifts K+ into cells, decreasing serum K+ by about 0.5 mEq/L.
Question 2 of 5
Which is not true of hypomagnasemia?
Correct Answer: B
Rationale: poor controlled AF is due to hypokalemia which cannot be reversed if hypomagnasemic; hypomagnasemia does not cause pre-eclampsia.
Question 3 of 5
Which agent below does not cause an increased anion gap metabolic acidosis?
Correct Answer: A
Rationale: Acetazolamide causes a normal anion gap metabolic acidosis via bicarbonate loss.
Question 4 of 5
Which would you give to reverse streptokinase?
Correct Answer: A
Rationale: Cryoprecipitate provides fibrinogen to reverse the fibrinolytic effects of streptokinase.
Question 5 of 5
What does not cause impaired accuracy of the pulse oximeter?
Correct Answer: D
Rationale: X-ray beams do not affect pulse oximetry accuracy; the others do.