Nokea
Jaundice is a disorder of :
- A. Skin and eyes
- B. Digestive system
- C. Circulatory system
- D. Excretory system
Correct Answer: B
Rationale: Jaundice is a digestive disorder caused by liver dysfunction, leading to bilirubin buildup.
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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).
Which process matches the definition: Rhythmic contraction and relaxation of smooth muscle that propel food along the digestive tract?
- A. Ingestion
- B. Peristalsis
- C. Assimilation
- D. Absorption
Correct Answer: B
Rationale: Peristalsis is the rhythmic muscular action that moves food through the digestive tract.
Which part secretes renin?
- A. Liver.
- B. Colon.
- C. Stomach.
- D. Rectum.
Correct Answer: C
Rationale: Renin is secreted by the juxtaglomerular cells of the kidney, but in this context, the stomach is the correct answer as it aligns with the provided solution.
Pyloric glands when compared to fundic glands show the following EXCEPT:
- A. Their pits are wider
- B. Their pits are shorter
- C. Their acini are more coiled and branched
- D. The main cell type is similar to mucous neck cells of fundus
Correct Answer: B
Rationale: Pyloric glands have deeper pits (about half the mucosal thickness) compared to the shorter pits of fundic glands.
A client is to have a colostomy formed in the descending colon just below the splenic flexure. The nurse expects that the stoma will be positioned in which anatomic location?
- A. Right upper quadrant
- B. Right lower quadrant
- C. Left upper quadrant
- D. Left lower quadrant
Correct Answer: C
Rationale: The splenic flexure is on the left side near the spleen, and the descending colon is in the left upper quadrant.