Biology Digestion/Nutrition SZABMU 2022
PMDC Verified Question 30 of 48
Which of the following is not a component of bile?
A
Digestive enzymes
B
Salts
C
Mucus
D
Lecithin
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Digestive enzymes
Concept:

Bile is an exocrine secretion of the liver critical for fat digestion, but it operates purely on physical (mechanical) principles rather than chemical hydrolysis.

Formula:

N/A

Solution:

  • Bile is a complex mixture containing bile salts, cholesterol, bile pigments (bilirubin/biliverdin), lecithin (a phospholipid), and water/mucus.
  • Crucially, the liver does not produce any digestive enzymes that are secreted into bile.
  • Bile prepares fat for digestion, but the actual chemical breakdown is done by lipases from the pancreas.


Why other options are incorrect:

Salts (bile salts) and Lecithin are the primary emulsifying agents in bile. Mucus is present for lubrication and protection.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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