Cardiovascular Physiology and Pharmacology Questions

Question 1
Question 2
Question 3
Question 4

Question 1: Systemic metabolic acidosis and increased mixed venous oxygen saturation are characteristic of toxicity from which agent?

Phenylephrine

Milrinone

Nitroglycerine

Nitroprusside

Digoxin


Question 2: Which of the following agents has the highest potential for supraventricular arrhythmia?

Isoproterenol

Phenylephrine

Epinephrine

Dopamine

Dobutamine


Question 3: Which of the following causes the greatest increase in cardiac index at equipotent doses?

Dopamine

Dobutamine

Epinephrine

Isoproterenol


Question 4: Which of the following statements is true regarding antiarrhythmic agents?

Digoxin decreases the automaticity of the His-Purkinje system.

Esmolol can be used to treat tet spells in the immediate postop period.

Lidocaine treats ventricular tachycardia by slowing AV conduction.

Procan SR does not need to be adjusted in the setting of renal insufficiency.

Atropine is ineffective in treating bradycardia secondary to beta blockade.



Last revised 06/29/98
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Comments to John Doty