Adrenergic Pharmacology

Question 1

Norepinephrine is the primary neurotransmitter in the sympathetic nervous system except in:

Answer 1

Sweat glands

Question 2

Methrosine inhibits dopamine synthesis by binding to:

Answer 2

Tyrosine hydroxylase

Question 3

Vesicular storage of dopamine and norepinephrine is inhibited by

Answer 3

Reserpine

Question 4

These agents promote release of dopamine and norepinephrine

Answer 4

Amphetamines, tyramine

Question 5

Secondary messenger of alpha 1 receptors

Answer 5

IP3/DAG

Question 6

These adrenergic receptors use cyclic AMP as a second messenger

Answer 6

Decreased cAMP: Alpha 2

Increased cAMP: Beta 1, Beta 2, Beta 3, D1

Question 7

Effect of D1 receptors stimulation

Answer 7

Dilates renal and splanchnic blood vessels