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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.
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Which of the following choices leads to an elevation in stomach pH?
- A. Impairment of the mucous neck cells
- B. Heightened activity of G cells
- C. Suppression of parietal cells
- D. Excessive expression by chief cells
Correct Answer: C
Rationale: Suppression of parietal cells reduces HCl secretion, increasing stomach pH (making it less acidic).
Nasal chambers and buccal cavity are separated by-
- A. By uvula
- B. By palate
- C. By tongue
- D. None of these
Correct Answer: B
Rationale: The palate (hard and soft) separates the nasal chambers from the buccal cavity.
Which of the following parts of the alimentary canal bears villi?
- A. Stomach.
- B. Ileum.
- C. Oesophagus.
- D. Rectum.
Correct Answer: B
Rationale: The ileum, part of the small intestine, contains villi that increase the surface area for nutrient absorption.
All about foliate papilla is true EXCEPT:
- A. Present at tip & sides of tongue rabbit
- B. Covered by st sq nonkeratinized epith.
- C. Rare in human but numerous in rabbits
- D. Its sides carry taste buds.
Correct Answer: A
Rationale: Foliate papillae are located on the posterolateral sides of the tongue, not the tip, and are rudimentary in humans but prominent in rabbits.
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.