CRNA Prep questions with correct answers

Epinephrine receptors CORRECT ANSWER alpha 1, alpha 2, beta 1, beta 2 Epinephrine dose CORRECT ANSWER IV 2-10mcg/min Epinephrine effects CORRECT ANSWER increased systolic BP - alpha receptors = vasoconstriction - beta1 receptor = cardiac stimulant decreased diastolic BP - beta2 = dilation of skeletal muscle blood vessel Phenylephrine receptors CORRECT ANSWER alpha 1 Phenylephrine dose CORRECT ANSWER 40-200 mcg/min Phenylephrine effects CORRECT ANSWER vasoconstriction, and reflex bradycardia Milrinone mechanism of action CORRECT ANSWER Inhibits PDE-3 → ↑cAMP ↑ cAMP in heart: ↑[Ca]cytosol → inotropic ↑ cAMP in blood vessels: ↑Ca reuptake by sarcoplasmic reticulum → vasodilation Epinephrine mechanism of action CORRECT ANSWER Direct-acting alpha and beta agonist. Alpha: vasoconstriction. B