Nokea
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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Based on knowledge of the pancreas's role in digestion, what substance produced by the pancreas may be required as a supplement for long-term health management after its surgical removal?
- A. Pancreatic enzymes
- B. Vitamin B12
- C. Gastrin
- D. Bile salts
Correct Answer: A
Rationale: Pancreatic enzyme supplements are needed post-pancreatectomy to aid digestion.
The enzyme trypsinogen is secreted from-
- A. Duodenum
- B. Pancreas
- C. Liver
- D. Stomach
Correct Answer: B
Rationale: Trypsinogen is secreted by the pancreas and activated to trypsin in the duodenum.
What is the name of the cells that secrete hydrochloric acid into the stomach?
- A. Gastric pits
- B. Chief cells
- C. Parietal cells
- D. Enteroendocrine cells
Correct Answer: C
Rationale: Parietal cells secrete hydrochloric acid (HCl) into the stomach to aid in digestion. Gastric pits are structures, not cells; chief cells secrete pepsinogen; enteroendocrine cells release hormones.
Where are the baroreceptors (measure blood pressure)?
- A. Lungs
- B. Heart muscle
- C. Hypothalamus
- D. Aortic arch
Correct Answer: D
Rationale: Baroreceptors in the aortic arch and carotid sinus detect blood pressure changes.
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.