VF / Pulseless VT Practice Test

VF and Pulseless VT are shockable rhythms.

True

False

If the initial shock terminates VF but the arrhythmia recurs later in the resuscitation:

Deliver subsequent shocks at the maximum energy dose

Deliver subsequent shocks at the previously successful energy level

Do not deliver any subsequent shocks and continue CPR

Begin cardioversion

For every minute that passes between collapse and defibrillation, how much does the chance of survival decrease from a witnessed VF sudden cardiac arrest if no bystander CPR is provided?

7% to 10%

3% to 4%

25% to 30%

50% to 60%

Pulse checks should:

Performed every 50 cycles of CPR

Be performed during rhythm analysis, only if an organized rhythm is present

Take at least 15 seconds to ensure accuracy

Give the rescuer enough information to treat the victim

What is the first-line antiarrhythmic agent given in cardiac arrest?

Magnesium sulfate

Lidocaine

Epinephrine

Amiodarone

Defibrillation restarts the heart.

True

False

If using a biphasic defibrillator and the recommended dosage is not known:

Do not shock until the recommended dose has been identified

Shock using the minimum energy dose available

Shock using a 360 J energy dose

Shock using the maximum energy dose available

The proper dosing of epinephrine for VF/pVT is:

1 mg IV/IO - repeated every 3 to 5 minutes

300 mg IV/IO bolus

1 to 2 g IV/IO diluted in 10 mL saline over 5 to 20 minutes

0.5 to 0.75 mg/kg IV/IO

Epinephrine is used during resuscitation:

Because it causes vasoconstriction

To stop allergic reactions causing heart failure

As a pain reliever for the victim

Because it is an antiarrhythmic

The chest compression fraction should be:

As high as possible

At least 50%

Lower than 25%

Lower than 60%

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