#1
What is the correct compression-to-ventilation ratio for adult basic life support?
30:2
Explanation30 chest compressions followed by 2 ventilations.
#2
What is the recommended depth of chest compressions for adult basic life support?
At least 2 inches (5 centimeters)
ExplanationCompression depth required for effective circulation.
#3
What is the recommended compression depth for pediatric basic life support?
At least 1 inch (2.5 centimeters)
ExplanationMinimum compression depth for effective pediatric resuscitation.
#4
Which of the following actions should be performed first in the BLS algorithm?
Check for responsiveness
ExplanationInitial step to determine patient's condition and need for intervention.
#5
What is the recommended ratio of compressions to ventilations for 2-rescuer infant basic life support?
30:2
ExplanationCompression-ventilation ratio for two rescuers in infant CPR.
#6
Which of the following is a sign of adequate chest compressions during CPR?
Visible chest rise
ExplanationVisible chest rise indicates effective compression.
#7
During basic life support, what is the correct hand placement for chest compressions on an adult?
Lower half of the sternum
ExplanationHands should be placed on the lower half of the sternum for compressions.
#8
In the context of BLS, what does 'C-A-B' stand for?
Compression, Airway, Breathing
ExplanationOrder of actions in basic life support.
#9
What does the 'D' stand for in the 'ABCDE' approach to patient assessment during BLS?
Disability
ExplanationAssessing neurological function in patient assessment.
#10
What is the correct compression-to-ventilation ratio for CPR in infants?
30:2
Explanation30 compressions followed by 2 ventilations for infants.
#11
What is the recommended rate of chest compressions for adult basic life support?
At least 100 compressions per minute
ExplanationMinimum compression rate for effective resuscitation.
#12
Which of the following is a sign of ineffective chest compressions during CPR?
Inadequate depth of compressions
ExplanationLack of sufficient chest compression depth.
#13
What is the primary purpose of defibrillation during basic life support?
To restore circulation
ExplanationRestoring heart rhythm to facilitate circulation.
#14
In BLS, what does the 'E' stand for in the acronym 'C-A-B-E'?
Evaluate
ExplanationAssessing response and progress during resuscitation.
#15
What is the correct hand placement for chest compressions on an infant during BLS?
Lower half of the sternum
ExplanationProper positioning for effective infant chest compressions.
#16
What is the purpose of the recovery position in BLS?
To maintain an open airway
ExplanationPositioning to ensure airway clearance in unconscious patients.
#17
Which of the following rhythms is shockable in cardiac arrest?
Ventricular fibrillation (VF)
ExplanationRhythm where defibrillation is indicated for resuscitation.
#18
What is the primary goal of basic life support?
To preserve life until further medical assistance arrives
ExplanationInitial emergency care to sustain vital functions.
#19
What is the recommended compression depth for adult basic life support?
At least 2 inches (5 centimeters)
ExplanationDepth required to adequately compress the adult chest.
#20
What is the first step to perform in the BLS algorithm for an unresponsive patient?
Check for responsiveness
ExplanationInitial assessment to determine need for intervention.
#21
Which of the following is an example of an advanced airway adjunct used in BLS?
Endotracheal tube (ETT)
ExplanationAdvanced airway device for secure ventilation.
#22
What is the purpose of the jaw-thrust maneuver during BLS?
To open the airway without hyperextension of the neck
ExplanationMethod to maintain airway without risking spinal injury.
#23
What is the recommended compression depth for neonatal basic life support?
At least 0.5 inch (1.3 centimeters)
ExplanationMinimum compression depth for effective neonatal resuscitation.
#24
What is the recommended compression rate for pediatric basic life support?
At least 120 compressions per minute
ExplanationOptimal compression rate for pediatric resuscitation.
#25
What is the correct hand placement for chest compressions on a child during basic life support?
Lower half of the sternum
ExplanationOptimal hand position for child chest compressions.