Nokea
Which enzyme helps break down fats in the digestive process?
- A. lipase
- B. pepsin
- C. papain
- D. amylase
Correct Answer: A
Rationale: Lipase is the enzyme responsible for breaking down fats into fatty acids and glycerol during digestion.
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Which of the following is not a function of liver :-
- A. Deamination
- B. Bile storage
- C. Synthesis of plasma protein
- D. Storage of fat soluble vitamin
Correct Answer: B
Rationale: Bile storage is a function of the gallbladder, not the liver, which produces bile.
Peristalsis moves food material:
- A. in the stomach and small intestine only
- B. in the small and large intestines only
- C. in the stomach and small and large intestines only
- D. from the pharynx to the anal canal
Correct Answer: D
Rationale: Peristalsis is a wave-like muscle contraction that moves food material through the entire gastrointestinal tract.
The nurse is caring for a client who is returning from the operating room following a cholecystectomy, or removal of the gallbladder. The nurse knows that the function of the gallbladder is to:
- A. Manufacture bile
- B. Concentrate bile
- C. Remove toxins from the blood
- D. Make albumin
Correct Answer: B
Rationale: The gallbladder concentrates and stores bile produced by the liver.
Which organ listed below does not belong in digestive system?
- A. liver
- B. spleen
- C. tongue
- D. stomach
Correct Answer: B
Rationale: The spleen is part of the lymphatic and immune systems, not the digestive system.
When a person eats some egg white, protein and water enter the stomach. Which substances are found leaving the stomach and leaving the small intestine?
- A. leaving the stomach: amino acids and water, leaving the small intestine: amino acids and water
- B. leaving the stomach: fatty acids, glycerol, and water, leaving the small intestine: fatty acids, glycerol, and water
- C. leaving the stomach: protein and water, leaving the small intestine: fatty acids and glycerol
- D. leaving the stomach: protein, amino acids, and water, leaving the small intestine: water
Correct Answer: A
Rationale: Proteins are partially digested in the stomach and converted to amino acids in the small intestine.