ATI LPN
Nutrition and Fluid Balance Questions
Question 1 of 5
Vit K is necessary for?
Correct Answer: C
Rationale: Vitamin K is essential for blood clotting (coagulation), making C correct.
Question 2 of 5
Serum electrolyte concentrations are most often expressed as
Correct Answer: D
Rationale: mEq/L is the standard unit for expressing electrolyte concentrations, reflecting ionic charge.
Question 3 of 5
Renin is released by the
Correct Answer: B
Rationale: Renin is secreted by the juxtaglomerular cells of the kidney in response to low blood pressure or sodium levels.
Question 4 of 5
Elevated blood pressure under resting conditions results in increased urinary output because
Correct Answer: D
Rationale: High blood pressure triggers baroreceptors to reduce ADH, increasing urine output to lower volume.
Question 5 of 5
Decreased extracellular potassium levels cause
Correct Answer: B
Rationale: Low extracellular potassium hyperpolarizes membranes, reducing excitability.