Pharmacology

Question 1

What receptors are effected with Dopamine?

Answer 1

Beta1, beta2, alpha1, and dopamine receptors.

Question 2

With dopamine, what receptors are affected with a lower dose? (Under 10mcg/kg/min)

Answer 2

Beta1 (increase chrono and inotropy)

Question 3

With dopamine, what receptors are affected with a higher dose? (Over 10mcg/kg/min)

Answer 3

Alpha 1, constriciton of vasc smooth muscle and increased inotropy

Question 4

Beta 2 receptors affect what?

Answer 4

Smooth muscle in airways for dilation

Question 5

What dose is dobutamine and what receptor does it effect?

Answer 5

2-20mcg/kg/min (can go up to 40 but rare)

Beta-1 agonist
Increased inotrope is primary

(Some beta2 and alpha 1)