Barr- ACLS

Question 1

Which medication and dosing regimen is recommended for asystole/PEA in adult cardiac arrest?

Accepted Answer

Epinephrine 1mg IV/IO ASAP then Q3-5 minutes

Question 2

What is the first-line antiarrhythmic and its initial dose for refractory VF/pVT after failed defibrillation and CPR?

Accepted Answer

Amiodarone 300mg IV/IO

Question 3

Calcium gluconate lowers serum potassium.

Accepted Answer

False

Question 4

_____ is commonly caused by prolonged hypoxia, metabolic imbalances, terminal events in chronic illnesses.

Accepted Answer

Asystole

Question 5

______ is commonly associated with severe hypoxia, tension pneumothorax, cardiac tamponade, pulmonary embolism.

Accepted Answer

PEA

Question 6

A hemodynamically stable patient with HR 180 bpm receives 6mg adenosine IV push without conversion. What is next?

Accepted Answer

12 mg adeonosine IV push

Question 7

Which of the following are shockable rhythms in cardiac arrest?

Accepted Answer

Pulseless Ventricular Tachycardia, Ventricular Fibriallation

Question 8

Which statement about fluid administration during post-cardiac arrest care is supported by current evidence?

Accepted Answer

Large crystalloid volumes are often required after ROSC

Question 9

Which intervention is critical during the initial stabilization phase after ROSC to optimize cerebral perfusion?

Accepted Answer

Maintain mean arterial pressure (MAP) ≥65 mmHg

Question 10

Pt. with K⁺ 7.1 mEq/L and widened QRS complexes on ECG requires immediate stabilization. What is the first-line therapy?

Accepted Answer

Calcium gluconate 1g

Question 11

A patient with a heart rate of 42 bpm and syncope. What is the first-line treatment therapy?

Accepted Answer

Atropine 1mg IV Q3-5 minutes

Question 12

Which condition is most directly linked to VFib and pulseless ventricular tachycardia (pVT) in cardiac arrest?

Accepted Answer

Electrolyte imbalances, Acute MI

Question 13

Which statement about calcium chloride use in cardiac arrest is correct?

Accepted Answer

Must be administered via central line outside of ACLS due to extravasation

Questions 13