NEET PG DENTAL EXAM

EMBRYOLOGY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If you just ate a big meal
A
sympathetic
B
parasympathetic
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Digestion is controlled by our autonomic nervous system. In order for our body to signal to our digestive system to prepare for incoming food and the digestive process, we must be in a parasympathetic state, also known as “rest and digest”. This is counter to our sympathetic state, or our “fight or flight” response.

Detailed explanation-2: -Blood flow to the small intestine “dramatically increases” after a person eats, says Dr. Tomonori Kishino, a professor of health science at Japan’s Kyorin University. And as blood is pumped into the gut to fuel digestion, a corresponding drop in blood flow to the brain could trigger feelings of sleepiness, he says.

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