A-EMCA Theory Exam

Question 1

A 68-year-old male with a history of COPD is found in respiratory distress. He is obtunded, has a respiratory rate of 8 breaths per minute, and his skin is cyanotic. Waveform capnography shows a 'shark fin' appearance. What is the most likely cause of this waveform?

Hyperventilation Esophageal intubation Bronchospasm Pulmonary embolism

Correct Answer:

Bronchospasm

Question 2

When ventilating an apneic adult patient with an advanced airway in place, what is the correct ventilation rate according to current guidelines?

1 breath every 3-5 seconds (12-20 breaths/min) 1 breath every 6 seconds (10 breaths/min) 1 breath every 8-10 seconds (6-8 breaths/min) 1 breath every 2-3 seconds (20-30 breaths/min)

Correct Answer:

1 breath every 6 seconds (10 breaths/min)

Question 3

Which of the following is considered the most reliable method for confirming initial and ongoing placement of an endotracheal tube in a patient with a perfusing rhythm?

Bilateral breath sounds on auscultation Condensation in the endotracheal tube Continuous waveform capnography Use of an esophageal detector device (EDD)

Correct Answer:

Continuous waveform capnography

Question 4

You are managing a patient following a traumatic injury and suspect a cervical spine injury. The patient is unconscious and requires airway management. Which manual maneuver is most appropriate for opening the airway in this patient?

Head-tilt, chin-lift Jaw-thrust maneuver Flexion of the neck Head-tilt, neck-lift

Correct Answer:

Jaw-thrust maneuver

Question 5

A paramedic has made three unsuccessful attempts at endotracheal intubation on an apneic patient. Oxygen saturation is being maintained at 94% with bag-valve-mask ventilation between attempts. According to difficult airway algorithms, what is the appropriate next step?

Attempt intubation a fourth time using a different blade Declare a failed airway and proceed to a rescue airway device (e.g., SGA) Perform an emergency cricothyrotomy immediately Continue BVM ventilation and transport rapidly

Correct Answer:

Declare a failed airway and proceed to a rescue airway device (e.g., SGA)

Exam overview

About this Exam

Prepare with the A-EMCA Theory Exam practice quiz. This question bank includes 150 questions covering patient, year-old, paramedic, airway, and male. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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A-EMCA Theory Exam

This practice set contains 150 questions from the matching question bank and focuses on patient, year-old, paramedic, airway, and male. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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A-EMCA Theory Exam

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