ACLS Pharmacology Questions

6. In contrast to other catecholamines, Dopamine at low doses (1-2ug/kg/min) can be expected to result in:
a. An increase in blood pressure
b. Hypotension
c. Renal vasodilation
d. Tachycardia

7. What is the correct dosage of epinephrine used in the treatment of unstable bradycardia?
a. Epinephrine 1mg IV push q3-5 minutes
b. Epinephrine infusion 5-20ug/kg/min
c. Epinephrine infusion between 2-10ug/min
d. Epinephrine 40u IV push, then 0.03units/hr

8. Atropine sulfate reverses cholinergic-mediated decreases in heart rate. All of the following are true regarding the effects of atropine EXCEPT:
a. In the presence of an MI, it may worsen ischemia or increase the zone of infarction
b. It will likely be ineffective in patients with transplanted hearts
c. The recommended atropine dose for bradycardia is 0.5 mg IV every 3 to 5 minutes
d. It is the first line treatment in patients with bradycardia with symptoms of poor perfusion

9. Epinephrine infusion may be used for patients with symptomatic bradycardia or hypotension after atropine or pacing fails. What is the correct dose of epinephrine for a patient with unstable bradycardia?
a. 1mg (1:1000 solution) IV push q3-5 minutes
b. 1mg (1:10,000 solution) IV push q3-5 minutes’
c. Begin infusion at 2-10mcg/min
d. Begin infusion at 2-10mcg/kg/min

10. What is the initial IV dose of Vasopressin in an asystole?
a. 40mcg/min
b. .04mg/kg/min
c. 4.0mg
d. 40 units


Answers

6. c. Renal vasodilation 

7. c. Epinephrine infusion between 2-10ug/min 

8. d. It is the first line treatment in patients with bradycardia with symptoms of poor perfusion

9. c. Begin infusion at 2-10mcg/min 

10. d. 40 units