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Question

When does peristalsis occurs in anticlockwise?
  1. When we are in fasting
  2. When vomiting
  3. When bolus moves forward
  4. When we drink water

A
When bolus moves forward
B
When we are in fasting
C
When vomiting
D
When we drink water
Solution
Verified by Toppr

The correct option is C When vomiting
C. When vomiting
Solution: Peristaltic movement in the oesophagus helps bolus to move from buccal cavity to stomach. While vomiting, the opposite process happens i.e., foods come to buccal cavity from stomach. So peristaltic movement take place anti clockwise then.
So the correct answer is "When vomiting".

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When does peristalsis occurs in anticlockwise?
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