CRNA Interview Medications Exam Questions With Correct Answers.
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Course
CRNA
Institution
CRNA
CRNA Interview Medications Exam
Questions With Correct Answers.
Norepinephrine (Levophed) Mechanism of Action - answerboth alpha-adrenergic activity
resulting in peripheral vasoconstriction, and beta-adrenergic activity leading to inotropic
stimulation of the heart and coronary artery vasodilat...
CRNA Interview Medications Exam
Questions With Correct Answers.
Norepinephrine (Levophed) Mechanism of Action - answer✔✔both alpha-adrenergic activity
resulting in peripheral vasoconstriction, and beta-adrenergic activity leading to inotropic
stimulation of the heart and coronary artery vasodilation
Norepinephrine Common Uses - answer✔✔First line of shock
Norepinephrine Onset/Duration of Action - answer✔✔Onset: Immediate
Duration: 1-2 minutes
Norepinephrine Side Effects - answer✔✔Arrhythmias, severe peripheral vasoconstriction
leading to tissue death and limb ischemia
Vasopressin Mechanism of Action - answer✔✔1. Direct stimulation of the smooth muscle V1
receptors causing vasoconstriction, increasing peripheral vascular resistance
2. Acts on V2 receptors of renal collecting duct in kidneys for reabsorption of water in kidneys
Vasopressin Common Uses - answer✔✔1. Used in conjunction with other vasopressors like
Levophed.
2. Also used in GI bleeding and Diabetes Insipidus.
Vasopressin Typical Dosing - answer✔✔0.03 units/min (TICU does not titrate)
Epinephrine Common Uses - answer✔✔ACLS, anaphylaxis, bradycardia w/hypotension, shock,
status asthmaticus (severe reaction)
Epinephrine Typical Dosage - answer✔✔1. 1 mg IV push during ALCS
2. 0.05-0.5 mcg/kg/min
Epinephrine Onset/Duration of Action - answer✔✔Onset: Immediate
Duration: Up to 60 minutes
Epinephrine Side Effects - answer✔✔Increase myocardial oxygen demand, GI hypoperfusion
Dopamine Mechanism of Action - answer✔✔At low doses, it selectively stimulates dopamine
receptors (kidney), causing renal vasodilation & increased renal blood flow; at high doses it
increases the production of norepinephrine (DA is a precursor for NE), causing increased total
peripheral resistance & blood pressure
Neosynephrine Onset/Duration of Action - answer✔✔Onset: Immediate
Duration: 15-30 minutes
Neosynephrine Side Effects - answer✔✔Baroreceptor reflex bradycardia (stop infusion and start
anticholinergic chronotropic agent: atropine), tissue necrosis and limb ischemia
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