GENERAL HISTOLOGY

NERVOUS

NEURONS TYPES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Your body detects that you stomach has been stretched after eating a large meal. What type of signal is this?
A
Visual
B
Motor
C
Taste
D
Sensory
Explanation: 

Detailed explanation-1: -Sensory neurons detect fullness and nutrients in the GI tract in surprising ways. After eating a meal, you can thank your vagus nerve for sensing and signaling that feeling of fullness to your brain.

Detailed explanation-2: -Gastric stretch receptors detect the distension of the stomach wall in the presence of food, which directly stimulates neuronal pathways to the brain to trigger satiation and appetite reduction.

Detailed explanation-3: -Stretch receptors are mechanoreceptors responsive to distention of various organs and muscles, and are neurologically linked to the medulla in the brain stem via afferent nerve fibers. Examples include stretch receptors in the arm and leg muscles and tendons, in the heart, in the colon wall, and in the lungs.

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