Autonomic nervous system

Question 1

Preganglionic fibers are within the _____ and are ____

Answer 1

In the CNS and are lightly myelinated

Question 2

Sympathetic nervous system has long or short preganglionic fibers?

Answer 2

Short

Question 3

parasympathetic nervous system has long or short preganglionic fibers?

Answer 3

long

Question 4

Postganglionic fibers exist in

Answer 4

all PNS and non-adrenal medulla SNS pathway

Question 5

Ganglia in the sympathetic nervous system are located

Answer 5

Close to the spinal cord

Question 6

Ganglia in the parasympathetic nervous system are located

Answer 6

further from the spinal cord and closer to or on the effector organ

Question 7

Origin of SNS

Answer 7

thoracolumbar

Question 8

Origin of PNS

Answer 8

craniosacral

Question 9

Postgangionic neurotransmitter in SNS

Answer 9

NE

Question 10

Postganglionic neurotransmitter PNS

Answer 10

Ach

Question 11

Ach synthesis

Answer 11

ATP (varicosities rich in mitochondra)

Question 12

NE synthesis

Answer 12

Tyrosine–>dopa–>dopamine

Question 13

Ach clearance

Answer 13

acetylcholinesterase

Question 14

NE clearnace

Answer 14

reuptake, diffusion, destruction by enzymes

Question 15

Cholinergic receptors

Answer 15

Ach

Question 16

Adrenergic receptors

Answer 16

NE and epi

Question 17

Types of cholinergic receptors

Answer 17

Muscarinic (2nd messenger)
Nicotinic (ligand gated)