ACLS ACLS Pharmacology & Medications 2

Question 1

Which vasopressor can be used as an alternative to epinephrine during cardiac arrest per ACLS guidelines?

Accepted Answer

Vasopressin

Answer

Vasopressin 40 units IV may replace the first or second dose of epinephrine during cardiac arrest.

Question 2

What is the recommended IV dose of amiodarone for stable wide-complex tachycardia (VT with pulse)?

Accepted Answer

150 mg over 10 minutes

Answer

For stable wide-complex tachycardia, amiodarone is given as 150 mg IV over 10 minutes.

Question 3

Sodium bicarbonate administration during cardiac arrest is most appropriate in which situation?

Accepted Answer

Hyperkalemia-induced cardiac arrest

Answer

Sodium bicarbonate is indicated in cardiac arrest caused by hyperkalemia or tricyclic antidepressant overdose.

Question 4

What is the maximum dose of lidocaine that can be given as the initial bolus for pulseless VT/VF when amiodarone is unavailable?

Accepted Answer

1–1.5 mg/kg

Answer

Lidocaine 1–1.5 mg/kg IV is given as the initial bolus when amiodarone is not available.

Question 5

Which drug is preferred for rate control of atrial fibrillation with rapid ventricular response in a hemodynamically stable patient?

Accepted Answer

Diltiazem or metoprolol

Answer

Beta-blockers (e.g., metoprolol) or calcium channel blockers (e.g., diltiazem) are used for rate control in stable AF with RVR.

ACLS Practice Test