ENA Emergency Pharmacology and Interventions

Question 1

Which medication is commonly used to treat bradycardia in emergency settings?

Accepted Answer

Atropine

Answer

Atropine is the first-line medication for symptomatic bradycardia as it increases heart rate by blocking parasympathetic influence.

Question 2

What is the primary action of epinephrine during cardiac arrest?

Accepted Answer

Increases coronary and cerebral perfusion

Answer

Epinephrine increases perfusion pressure to the heart and brain during CPR by causing vasoconstriction.

Question 3

Which drug is used as an antidote for opioid overdose?

Accepted Answer

Naloxone

Answer

Naloxone is an opioid antagonist that rapidly reverses the effects of opioids, restoring respiration.

Question 4

A nurse is preparing to administer adenosine. What is the recommended method of administration?

Accepted Answer

Rapid IV push followed by saline flush

Answer

Adenosine must be given as a rapid IV push followed by a saline flush due to its very short half-life.

Question 5

Which intervention is most appropriate when administering IV potassium chloride?

Accepted Answer

Infuse diluted via a pump over time

Answer

IV potassium chloride must be diluted and infused slowly to avoid cardiac arrhythmias and irritation.

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