#1
What is the first step in the ACLS algorithm for adult cardiac arrest?
Activate emergency medical services (EMS)
ExplanationImmediate activation of EMS is crucial for timely intervention.
#2
What is the recommended depth for chest compressions in adult CPR according to ACLS guidelines?
2 inches (5 cm)
ExplanationCompression depth of 2 inches (5 cm) allows for effective circulation without causing harm.
#3
What is the recommended compression-to-ventilation ratio for adult CPR during ACLS?
30:2
ExplanationThe recommended ratio of 30 compressions to 2 ventilations ensures adequate perfusion and oxygenation.
#4
Which medication is commonly used during ACLS for pulseless ventricular tachycardia?
Amiodarone
ExplanationAmiodarone is a common antiarrhythmic used to manage pulseless ventricular tachycardia.
#5
During ACLS, if a patient is in asystole, what is the initial intervention?
Start high-quality CPR
ExplanationCommencing high-quality CPR is essential in asystole until further interventions can be administered.
#6
Which of the following is a potential cause of pulseless electrical activity (PEA) according to ACLS algorithms?
Hypovolemia
ExplanationHypovolemia is a reversible cause of PEA and should be promptly addressed during resuscitation.
#7
What does the 'C' stand for in the 'ABCDE' approach used in ACLS?
Circulation
ExplanationIn the 'ABCDE' approach, 'C' stands for Circulation, emphasizing the importance of maintaining blood flow.
#8
What is the recommended initial energy setting for biphasic defibrillation in adult ventricular fibrillation or pulseless ventricular tachycardia?
360 joules
ExplanationThe initial energy setting of 360 joules is typically used for biphasic defibrillation in these scenarios.
#9
Which of the following rhythms is shockable according to ACLS guidelines?
Ventricular fibrillation
ExplanationVentricular fibrillation is a shockable rhythm, requiring immediate defibrillation.
#10
Which of the following is a typical dose of epinephrine for adult cardiac arrest according to ACLS guidelines?
1 mg
ExplanationA dose of 1 mg of epinephrine is commonly administered during adult cardiac arrest to support circulation.
#11
In ACLS protocols, what is the target range for end-tidal carbon dioxide (ETCO2) in intubated patients during CPR?
40-50 mmHg
ExplanationMaintaining ETCO2 levels within the range of 40-50 mmHg indicates effective CPR and perfusion.
#12
What is the recommended dose of amiodarone for refractory ventricular fibrillation during ACLS?
300 mg
ExplanationA dose of 300 mg of amiodarone is typically administered for refractory ventricular fibrillation during ACLS.
#13
What is the role of vasopressin in ACLS algorithms?
To increase cardiac output
ExplanationVasopressin is used in ACLS to enhance cardiac output and systemic vascular resistance.