Egans Ch 38 with correct answers 100% 2026

Egans Ch 38 with correct answers 100% 2026 What is sudden cardiac arrest (SCA)? - Correct Answer Sudden loss of cardiac function resulting in no pulse and no effective circulation Approximately how many people experience out-of-hospital cardiac arrest each year? - Correct Answer About 356,000 people per year What percentage of out-of-hospital cardiac arrests are fatal? - Correct Answer Approximately 90% What cardiac rhythms are most commonly present in sudden cardiac arrest? - Correct Answer Pulseless ventricular rhythms such as ventricular fibrillation and pulseless ventricular tachycardia What is the primary goal of Basic Life Support (BLS)? - Correct Answer To restore ventilation and circulation in victims of airway obstruction, respiratory arrest, or cardiac arrest What are the first steps when encountering an unresponsive patient? - Correct Answer Check responsiveness and breathing and activate the emergency response system What compression-to-ventilation ratio is used for adult CPR without an advanced airway? - Correct Answer 30 compressions to 2 ventilations What is the recommended chest compression depth for adults? - Correct Answer At least 2 inches (5 cm) What is the recommended chest compression rate for adults? - Correct Answer 100 to 120 compressions per minute Why should chest compressions not exceed 120 per minute? - Correct Answer Excessive rates reduce compression depth and chest recoil When should healthcare providers check for a pulse? - Correct Answer No longer than 10 seconds Which artery should be checked for a pulse in adults and children? - Correct Answer Carotid or femoral artery If a patient has a pulse but is not breathing, what should be done? - Correct Answer Provide ventilations at 10 breaths per minute How are ventilations delivered once an advanced airway is in place? - Correct Answer Uninterrupted chest compressions with ventilations every 6 seconds Where should hands be placed for adult chest compressions? - Correct Answer On the lower half of the sternum in the center of the chest What cardiac output can effective CPR produce? - Correct Answer Approximately one fourth of normal cardiac output How deep should chest compressions be in children? - Correct Answer At least 2 inches (5 cm) or one third the chest depth How deep should chest compressions be in infants? - Correct Answer Approximately 1.5 inches (4 cm) or one third the chest depth How is CPR modified for near-drowning victims? - Correct Answer Use the A-B-C approach due to hypoxemia What airway-opening method is used when spinal injury is suspected? - Correct Answer Jaw-thrust maneuver What airway-opening method is used when no spinal injury is suspected? - Correct Answer Head-tilt/chin-lift maneuver How long should breathing assessment take? - Correct Answer 3 to 5 seconds What volume should be delivered during mouth-to-mouth ventilation? - Correct Answer Approximately 500 to 600 mL