End
1 :

Hint : 💡medications that slow the gut = constipation.

Correct Answers:

  • Opioid narcotics
  • Anticholinergics/antispasmodics
  • Iron supplements


Rationale :

⭐ Opioid narcotics Opioids slow peristalsis, causing stool to move slowly through the bowel.

⭐ Slowed peristalsis leads to increased water absorption, making stool hard and dry.

⭐ Opioids decrease intestinal secretions, further reducing stool moisture.

⭐ The reduced motility increases the risk of straining and impaction.

⭐ Anticholinergics/antispasmodics Anticholinergics block acetylcholine, which slows gastrointestinal motility.

⭐ Slower motility increases water reabsorption, leading to dry stool.

⭐ They reduce smooth muscle contraction, making defecation more difficult.

⭐ These effects particularly worsen constipation in older adults.

⭐ Iron supplements Iron causes stool to become hard and dense, making passage difficult.

⭐ Iron irritates the intestinal mucosa, slowing movement.

⭐ It commonly leads to dark, firm stools, which are harder to expel.

⭐ Iron is one of the most frequent non-opioid causes of drug-induced constipation.

Magnesium-containing antacids

⭐ Magnesium antacids cause diarrhea, not constipation.

⭐ They increase intestinal motility and water retention in the bowel.

Antibiotics

⭐Antibiotics commonly cause diarrhea due to altered gut flora.

⭐They increase bowel activity rather than slowing it.


Distractor Analysis :

Rationale for Incorrect Options to be Available Soon

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