MRCP UK EXAMINATIONS

ABDOMINAL

GASTROINTESTINAL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Maximum frequency of concentration of the terminal ileum
A
8 to 9 contractions per minute
B
5 per minute
C
12 per minute
D
3 to 5 per minute
Explanation: 

Detailed explanation-1: -The frequency of short-duration RPCs in the human colon is about 3 to 12 times per minute; that of long-duration RPCs is about 0.5 to 2 times per minute. Short-duration RPCs occur more frequently, while long-duration RPCs occur in bursts generally lasting a few minutes [29, 30].

Detailed explanation-2: -A second and very important type of motility that occurs in the large intestine is the high amplitude propagating contraction (HAPC). These contractions only occur 6-8 times per day in healthy people, but they are extremely strong contractions.

Detailed explanation-3: -Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract.

There is 1 question to complete.