Ch. 13 Drugs - Nervous System

Question 0

Fibers convey impulses from CNS to internal organs

Answer 0

Visceral Efferent (motor) fibers

Question 1

Fibers which convey impulses from internal organs back to CNS

Answer 1

Visceral Afferent (sensory) fibers

Question 2

Fibers which convey impulses from head, body wall, and extremities to the CNS

Answer 2

Somatic Afferent (sensory) fibers

Question 3

Fibers which convey impulses from CNS to the striated muscles

Answer 3

Somatic Efferent(motor) fibers

Question 4

What is the neurotransmitter for the preganglionic fiber at the junction between the preganglionic fiber and the synapse?

Answer 4

Acetylcholine

Question 5

What is the neurotransmitter between the sympathetic postganglionic fiber and the effector cell?

Answer 5

Norepinephrine

Question 6

Where are Muscarinic receptors found?

Answer 6

Neuromuscular junction of cardiac and smooth muscle cells

Question 7

Where are Nicotinic receptors found?

Answer 7

Neuromuscular junction of skeletal muscles

Question 8

What does receptors Atropine block?

Answer 8

Muscarinic receptors

Question 9

What does Curare block?

Answer 9

Nicotinic

Question 10

What do selective beta-blocking agents block?

Answer 10

Beta1 & Beta2 RECEPTORS

Aka Cardioselective Blockers (b/c block beta1 receptors & have minimal beta2 effects)

Metoprolol, Atenolol

Question 11

What do nonselective beta-blocking agents block?

Answer 11

Beta1 & Beta2 RECEPTOR SITES

Inhibit beta receptors sites in smooth muscle of bronchioles and blood vessels
Nadolol, Propanolol, Labetalol