MRCP UK EXAMINATIONS

ABDOMINAL

GASTROINTESTINAL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The large intestine stores or absorbs:
A
electrolytes and water
B
Just water
C
electrolytes only
D
stool
Explanation: 

Detailed explanation-1: -The large intestine has 3 primary functions: absorbing water and electrolytes, producing and absorbing vitamins, and forming and propelling feces toward the rectum for elimination.

Detailed explanation-2: -Colon: This is the major section of the large intestine; you may have heard people talk about the colon on its own. The colon is also the principal place for water reabsorption, and absorbs salts when needed.

Detailed explanation-3: -The large intestine absorbs water and changes the waste from liquid into stool. Peristalsis helps move the stool into your rectum.

Detailed explanation-4: -Water and electrolyte absorption primarily occurs in the small and large intestines. Dysregulation of this absorption can either lead to diarrhea or constipation.

Detailed explanation-5: -The bulk of the transport of these fluids and electrolytes occurs through the small intestine, leaving approximately 1.5 L for the colon to absorb and leaving approximately 100 mL that is lost through the stools every day.

There is 1 question to complete.