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ATI RN · ATI Fundamentals · Chapter 14 Nutrition and Fluid Balance Workbook Answers

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The hormone vasopressin

A. is secreted by the anterior pituitary gland in response to changes in blood osmolarity

B. stimulates the kidneys to retain sodium ions

C. stimulates the kidneys to conserve water

D. stimulates the kidneys to produce a large volume of urine

Expert Explanatory Rationale

Correct Answer: stimulates the kidneys to conserve water

Question 2 of 5

Which contains the largest amount of K+?

A. two Slow K tablets

B. 2 chlorvescent tablets

C. 15 ml of Kayciel

D. one gram intravenous KCl

Expert Explanatory Rationale

Correct Answer: 2 chlorvescent tablets

Question 3 of 5

interstitial osmolarity allows urine to be concentrated.

A. High medullary

B. Low medullary

C. High cortex

D. Low cortex

Expert Explanatory Rationale

Correct Answer: High medullary

Question 4 of 5

The nurse is caring for a young patient with asthma. Which activity should the nurse encourage in order to help prevent respiratory acidosis?

A. Engage in deep-breathing exercises every 2 h.

B. Drink 8 ounces of fluid every 4 h.

C. Ambulate for 15 minutes twice a day.

D. Sleep with the head of the bed elevated 45 degrees.

Expert Explanatory Rationale

Correct Answer: Engage in deep-breathing exercises every 2 h.

Question 5 of 5

The nurse assessing a patient with vomiting and diarrhea observes that the urine is scant and concentrated. Which controlling factor is responsible for compensatory reabsorption of water?

A. Osmoreceptors in the hypothalamus

B. Antidiuretic hormone in the posterior pituitary

C. Baroreceptors in the carotid sinus

D. Insulin from the pancreas

Expert Explanatory Rationale

Correct Answer: Antidiuretic hormone in the posterior pituitary

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