MRCP UK EXAMINATIONS

ABDOMINAL

GASTROINTESTINAL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Regarding the digestion of fats, point out the wrong thing
A
Approximately 30% is digested by lingual lipase.
B
The emulsion of fats is given by the action of bile
C
The most important enzyme for digestion is pancreatic lipase.
D
The final product is free fatty acids.
Explanation: 

Detailed explanation-1: -Unlike pancreatic lipase, lingual lipase in human infants can penetrate milk fat globules and initiate lipid digestion.

Detailed explanation-2: -Summary: Digestion of dietary fat starts in the stomach, where lingual lipase hydrolyzes triglycerides to free fatty acids and partial glycerides at pH 3.0-6.0.

Detailed explanation-3: -Lingual lipase is a member of a family of digestive enzymes called triacylglycerol lipases, EC 3.1. 1.3, that use the catalytic triad of aspartate, histidine, and serine to hydrolyze medium and long-chain triglycerides into partial glycerides and free fatty acids.

Detailed explanation-4: -Lipase (made in the pancreas; breaks down fats)

There is 1 question to complete.