In infants defecation often follows a meal. The cause of colonic contraction in this situation is ______
Correct Answer: Gastrocolic reflex
Description: The cause of colonic contraction in the given situation is due to gastrocolic reflex. Distension of the stomach by food initiates contractions of the rectum and frequently, a desire to defecate. This response is called the gastrocolic reflex. Beacuse of thus repsonse, defecation after meals is common in children. This response may be amplified by the action of gastrin on the colon. Ref: Ganong&;s review of medical physiology 26th edition Pgno: 493,494
Category:
Physiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now