MUSCARNIC receptors

Question 1

CNS consists of?

Answer 1

Brain and spinal cord

Question 2

Peripheral Nervous system?

Answer 2

Cranial nerves and spinal nerves

Question 3

AUTONOMIC nervous system consists of?

Answer 3

sympathetic
parasympathetic
enteric

Question 4

FUNCTION OF ANS

Answer 4

self governing subconscious control of organs and homeostasis. involved in contraction and relaxation of smooth muscle in blood vessel and organs. controls glandular secretion and heart rate and metabolism

Question 5

what is the function of the enteric branch of ANS?

Answer 5

controls the GI function without external input, receives sympathetic and parasympathetic input .

Question 6

TWO main cells bodies in the wall of GI tract?

Answer 6

Myenteric plexus

Submucosa plexus

Question 7

What are muscarinic receptors?

Answer 7

they are choinergic receptor (use acetylcholine as neurotransmitter) and muscarinic as well

Question 8

What are muscarinic receptors?

Answer 8

They are G protein coupled (bound) receptors meaning the Gq protein activates…

Question 9

M1 Receptor

Answer 9

responsible on the gastric and salivary control. they increase calcium ion conc inside cell and IP3 stimulation

Question 10

what happens during rest and digest (parasympathetic effects)

Answer 10

increased salivation, mucus secretion, gastric secretion, GI motility, urination, bronchonconstriction
Decreased heart rate