Agonist/Antagonist

Question 1

Alpha 1 agonist

Answer 1

Phenylephrine (rhinitis)

Question 2

Weak alpha / beta agonist

Answer 2

Ephedrine (congestion)

Question 3

Alpha 2 agonist (two drugs)

Answer 3

Clonidine (HTN, opioid withdrawal)

Methyldopa (HTN, good in pregnancy)

Question 4

Beta 1 / 2 agonist

Answer 4

Isoproterenol (heart stimulation)

Question 5

Beta 1 (weak Beta 2 / Alpha 1) agonist

Answer 5

Dobutamine (cardiogenic shock) (more inotropic than chronotropic)

Question 6

Beta 2 agonist (Short)

Answer 6

Albuterol (asthma)

Question 7

Beta 2 agonist (Long)

Answer 7

Salmeterol (asthma)

Question 8

Beta 2 agonist

Answer 8

Terbutaline (asthma)

Question 9

Xanthine / phosphodiesterase inhibitor

Answer 9

Theophylline

Question 10

Phosphodiesterase inhibitor

Answer 10

Milrinone (CHF)

Question 11

Alpha 1 antagonist

Answer 11

Prazosin (BPH)

Question 12

Alpha 1 > Alpha 2 (irreversible) antagonist

Answer 12

Phenoxybenzamine (BPH)

Question 13

Alpha 1 / 2 antagonist

Answer 13

Phentolamine (reflex tachy)

Question 14

(nonselective) Beta antagonist (two drugs)

Answer 14

Propanolol (Angina, MI)

Timolol (glaucoma)

Question 15

(nonselective) Beta + alpha antagonist (two drugs)

Answer 15

Carvedilol (CHF)

Labetolol (HTN crisis)

Question 16

(selective) Beta 1 (three drugs)

Answer 16

Atenolol
Esmolol (emergencies, short)
Metoprolol (CHF, antiarrythmia II)