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West Coast EMT Block 2 Quiz Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What is the main purpose of the nasal cannula?✔✔ To deliver low-flow oxygen to a breathing patient
What is the proper flow rate for a non-rebreather mask?✔✔ 10 to 15 liters per minute
What is the correct oxygen concentration delivered by a non-rebreather mask?✔✔ Up to 90% oxygen
What is the best way to open the airway of an unresponsive patient with no suspected spinal injury?✔✔ Head-tilt, chin-lift
What is the best way to open the airway of a trauma patient with a possible neck injury?✔✔ Jaw-thrust maneuver 1 / 3
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What is the function of the epiglottis?✔✔ To prevent food and liquid from entering the airway
What is the normal adult respiratory rate?✔✔ 12 to 20 breaths per minute
What does gurgling sound in the airway indicate?✔✔ The presence of fluid in the upper airway
What should you do immediately if you hear gurgling in a patient’s airway?✔✔ Suction the airway
What is the function of the alveoli in the lungs?✔✔ Gas exchange between oxygen and carbon dioxide
What is the most effective way to ventilate an apneic adult with a pulse?✔✔ Use a bag-valve mask (BVM) with oxygen 2 / 3
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What is the appropriate rate to ventilate an adult patient with a BVM?✔✔ One breath every 5 to 6 seconds
What is the appropriate rate to ventilate a child with a BVM?✔✔ One breath every 3 to 5 seconds
What is the appropriate rate to ventilate an infant with a BVM?✔✔ One breath every 3 to 5 seconds
What device is used to clear secretions or vomit from the airway?✔✔ Suction unit
How long should you suction an adult patient's airway at a time?✔✔ No more than 15 seconds
How long should you suction a child’s airway at a time?✔✔ No more than 10 seconds
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