Muscle APs and SNS

Question 1

Divisions of Nervous System

Answer 1

Question 2

Sympathetic Nervous System Layout

Answer 2

Question 3

Somatic Nervous System Layout and NT

Answer 3

1 neuron

ACh

Nicotinic

Question 4

Parasympathetic NS Layout and NT

Answer 4

2 cells

ACh –> ACh

Muscarinic

Question 5

Sympathetic NS Layout and NT

Answer 5

Two Cells

ACh then Norepinephrine or Epinephrine (in adrenals)

Adrenergic

Question 6

Nicotinic Vs. Muscarinic

Answer 6

These receptors are functionally different, the muscarinic type being G-protein coupled receptors (GPCRs) that mediate a slow metabolic response via second messenger cascades, while the nicotinic type are ligand-gated ion channels that mediate a fast synaptic transmission of the neurotransmitter.

Question 7

Effect of SNS

Answer 7

Question 8

Effect of PsNS

Answer 8

Question 9

Anatomy of the Sarcomere

Answer 9

Question 10

Functioning of the Power Stroke

Answer 10

Question 11

Fast twitch vs Slow twitch fibers

Answer 11

Question 12

Actin and Myosin Anatomy

Answer 12

Question 13

NM Junction Functioning

Answer 13