Physiology

Question 1

Which NS is thorocolumbar?

Answer 1

Sympathetic Nervous system

Question 2

What are the sympathetic post ganglion receptors ?

Answer 2

NE
ACH (ONLY SWEAT GLANDS)

Question 3

What are the two compartments of Enteric nervous system ?

Answer 3

Submucosal (Meissner)
Aurebach (myentric)

Question 4

What are the cranial nerves of PS nervous system ?

Answer 4

3 occulomator (pupil accommodation)
7 (facial)
9 (glossopharyngeal) parotid gland
10 (Vagus) Heart and gut

Question 5

Which nervous system has long pre ganglionic neuron?

Answer 5

Parasympathetic NS

Question 6

Which receptor activation increases IP3 and CA2+

Answer 6

M1 M3 M5

Question 7

Which receptor of PS decreases CAMP and causes dephosphorylation ?

Answer 7

M2 and M4

Question 8

What does Jack o later Mushroom cause ?

Answer 8

Increase in Musuranic receptors

Question 9

Atropa bellodona releases?

Answer 9

ATROPINE

Question 10

What are the two major muscle group involved in pupil dilation and it’s innervation?

Answer 10

Dilator pupilae - Sympathetic Radial
Constrictor pupilae - PS circular

Question 11

What is the muscle involved in accommodation refex?

Answer 11

CILIARY MUSCLE

Near- CONTRACTS (lens thickens) (M3)
FAR - DIALATES ( WIDENS) (B2)