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ATI LPN · ATI Nutrition · Nutrition For PN Nursing ATI

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

What is the main constituent of blood plasma, interstitial fluid, and intracellular fluid?

A. potassium

B. sodium

C. water

D. calcium

Correct Answer: water

Question 2 of 5

What is the chemical structure that forms the base component of an amino acid?

A. carboxyl group

B. carbon chain

C. radicals

D. amino group

Correct Answer: amino group

Question 3 of 5

Cholecystokinin (CCK) is produced in the:

A. duodenum.

B. stomach.

C. pancreas.

D. liver.

Correct Answer: duodenum.

Question 4 of 5

Which of the following is one of the simplest amino acids?

A. Arginine

B. Valine

C. Lysine

D. Glycine

Correct Answer: Glycine

Question 5 of 5

Which component of fat can be used to make glucose through gluconeogenesis?

A. Glycogen

B. Fatty acids

C. Glycerol

D. Monoglyceride

Correct Answer: Glycerol

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