Sympathetic agonists

Question 1

Albuterol

Answer 1

B2 > B1
Bronchodilation
Acute asthma

Question 2

Salmeterol

Answer 2

B2 > B1
Bronchodilation
Long-term asthma or COPD treatment

Question 3

Dobutamine

Answer 3

B1 > B2, a
Increases contractility - Rx for heart failure (ionotropic effects are greater than chronotropic)
Cardiac stress testing

Question 4

Dopamine

Answer 4

D1 = D2, B > a
Heart failure
Shock
Ionotropic and chronotropic effects predominate at high doses

Question 5

Epinephrine

Answer 5

B > a
Anaphylaxis
Asthma
Open angle glaucoma

Question 6

Isoproterenol

Answer 6

B1 = B2
Electrophysiological evaluation of tachyarrhythmias
Can worsen ischemia

Question 7

Norepinephrine

Answer 7

a1 > a2 > B1

1st line for hypovolemic shock and hypotension

Question 8

Phenylephrine

Answer 8

a1 > a2
Hypotension
Causes mydriasis (dilation) for occular procedures
Rhinitis

Question 9

Amphetamine

Answer 9

Indirect sympathomimetic
Inhibits the reuptake of norepinephrine
Induces release of stored catecholamines

Question 10

Cocaine

Answer 10

Indirect sympathomimetic

Inhibits reuptake of norepinephrine

Question 11

Ephedrine

Answer 11

Indirect sympathomimetic

Induces release of stored catecholamines

Question 12

Clonidine

Answer 12

Treats hypertensive urgency (does not decrease renal blood flow)
ADHD
Tourette’s

Question 13

a-methyldopa

Answer 13

Hypertension in pregnancy