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West Coast EMT Block 2 Exam Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
Which airway device is used to maintain a patent airway in an unresponsive patient without a gag reflex?
- Nasopharyngeal airway
- Endotracheal tube
- CPAP mask
✔✔B. Oropharyngeal airway
Which of the following best indicates adequate breathing in an adult?✔✔A. 14 breaths per minute with equal chest rise
- 30 breaths per minute and shallow
- 6 breaths per minute with snoring
- 20 breaths per minute and gasping
What is the main function of the alveoli?
- Humidify air 1 / 4
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- Protect the airway
- Filter toxins
✔✔C. Exchange oxygen and carbon dioxide
A patient is breathing 8 times per minute with shallow respirations. What should you do?
- Administer oxygen by nasal cannula
- Sit the patient upright
- Apply cold compresses
✔✔C. Begin ventilation with a BVM
What is the correct flow rate for a non-rebreather mask?
- 2–4 L/min
- 5–6 L/min
- 20–25 L/min
✔✔C. 10–15 L/min
Which structure prevents food from entering the trachea during swallowing?
- Larynx 2 / 4
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- Uvula
- Diaphragm
✔✔C. Epiglottis
What should you do if the BVM bag is difficult to squeeze and the chest is not rising?✔✔A. Reposition the head and check the seal
- Increase the oxygen flow
- Switch to a nasal cannula
- Apply suction immediately
A child is making high-pitched sounds when inhaling. What is this sound called?
- Rales
- Rhonchi
- Crackles
✔✔C. Stridor
Which patient most likely needs assisted ventilation?✔✔A. Unresponsive with shallow breathing 3 / 4
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- Alert with wheezing
- Anxious but breathing normally
- Speaking in full sentences
What is the most reliable way to assess air movement during ventilation?✔✔A. Observe chest rise
- Count respiratory rate
- Check pulse
- Inspect the pupil size
Which method is used to open the airway of an unresponsive trauma patient with a suspected spinal injury?
- Head-tilt, chin-lift
- Blind finger sweep
- Abdominal thrusts
✔✔B. Jaw-thrust maneuver
What does a pulse oximeter measure?
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