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HESI LPN · HESI LPN Fundamentals of Nursing · HESI Nutrition and Fluid Balance Chapter 14

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

A pH of 4 is how many times as acidic as a pH of 7?

A. 10

B. 100

C. 1000

D. 10 000

Expert Explanatory Rationale

Correct Answer: 1000

Question 2 of 5

Which does not shift K+ into cells?

A. insulin

B. dextrose

C. NaHCO3

D. resonium

Expert Explanatory Rationale

Correct Answer: resonium

Question 3 of 5

Potassium secretion in the renal tubules is regulated by

A. ADH

B. aldosterone

C. PTH

D. calcitonin

Expert Explanatory Rationale

Correct Answer: aldosterone

Question 4 of 5

A patient who had a transverse colectomy for diverticulosis 18 hours ago has nasogastric suction. The patient reports anxiety and incisional pain. The patient's respiratory rate is 32 breaths/min, and the arterial blood gases (ABGs) indicate respiratory alkalosis. Which action should the nurse take first?

A. Check to make sure the nasogastric tube is patent.

B. Give the patient the PRN IV morphine sulfate 4 mg.

C. Notify the health care provider about the ABG results.

D. Teach the patient to take slow, deep breaths when anxious.

Expert Explanatory Rationale

Correct Answer: Teach the patient to take slow, deep breaths when anxious.

Question 5 of 5

Which of the following descriptions best summarizes fluid homeostasis?

A. Almost every body organ and system helps maintain homeostasis.

B. The cardiovascular and renal systems primarily maintain homeostasis.

C. Homeostasis is maintained through intra- and extracellular exchange.

D. Homeostasis is maintained by the arterioles, capillaries, and venules.

Expert Explanatory Rationale

Correct Answer: Almost every body organ and system helps maintain homeostasis.

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