NCLEX Question for vasoactive drugs used in treating shock

NCLEX Review Question

Which of the following vasoactive drugs used in treating shock results in reduced preload and after load, reducing oxygen demand of the heart?

a.Nitroprusside (Nipride)
b.Dopamine (Intropin)
c.Epinephrine (adrenaline)
d.Methoxamine (Vasoxyl)

Correct Answer : A
Nitroprusside (Nipride)
Rationale: A disadvantage of nitroprusside is that it causes hypotension.

Dopamine (Intropin)
Rationale: Dopamine improves contractility, increases stroke volume, and increases cardiac output.

Epinephrine (adrenaline)
Rationale: Epinephrine improves contractility, increases stroke volume, and increases cardiac output.

Methoxamine (Vasoxyl)
Rationale: Methoxamine increases blood pressure by vasoconstriction.

Posted in: MSN NCLEX