Question 1

An Emergency Medical Responder (EMR) is managing a 24-year-old male patient who is unconscious and breathing at a rate of 6 breaths per minute. What is the most appropriate immediate action regarding his airway management?

Accepted Answer

Perform positive pressure ventilation using a bag-valve mask (BVM) with supplemental oxygen.

Answer

Administer high-flow oxygen via a non-rebreather mask at 15 L/min.

Answer

Insert an oropharyngeal airway and await the arrival of Paramedics.

Answer

Place the patient in the recovery position and monitor his vitals.

Question 2

When measuring an oropharyngeal airway (OPA) for a patient, which of the following is the correct method to ensure proper sizing?

Accepted Answer

Measure from the corner of the patient's mouth to the earlobe.

Answer

Measure from the tip of the nose to the earlobe.

Answer

Measure from the center of the mouth to the angle of the jaw.

Answer

Measure from the corner of the patient's mouth to the midline of the chin.

Question 3

An Emergency Medical Responder is using a suction catheter to clear the airway of an adult patient who is vomiting. What is the maximum amount of time the EMR should apply suction?

Accepted Answer

15 seconds

Answer

5 seconds

Answer

10 seconds

Answer

30 seconds

Question 4

While ventilating an apneic adult patient with a bag-valve mask (BVM), you notice that the chest does not rise with the first breath. What should be your first corrective action?

Accepted Answer

Reposition the head to ensure an open airway and re-attempt ventilation.

Answer

Immediately perform chest compressions for a suspected foreign body airway obstruction.

Answer

Increase the force of the ventilations to overcome resistance.

Answer

Suction the airway for 30 seconds to remove potential fluid blockage.

Question 5

Which of the following describes the correct technique for using a bag-valve mask (BVM) on a patient with a suspected spinal injury?

Accepted Answer

Using the jaw-thrust maneuver to open the airway while another provider maintains manual stabilization.

Answer

Utilizing the head-tilt/chin-lift maneuver to maximize air entry into the lungs.

Answer

Placing the patient in the Trendelenburg position to prevent aspiration.

Answer

Securing the mask with a single hand using the C-E technique while rotating the neck to the side.

Question 6

An Emergency Medical Responder is treating a conscious 19-year-old female who is gasping for air and has a respiratory rate of 28 breaths per minute with audible wheezing. Which oxygen delivery device is most appropriate for this patient if she can tolerate it?

Accepted Answer

Non-rebreather mask at 12 to 15 L/min.

Answer

Bag-valve mask at 15 L/min.

Answer

Nasal cannula at 2 to 6 L/min.

Answer

Simple face mask at 5 L/min.

Question 7

An Emergency Medical Responder is providing ventilations to an adult patient in cardiac arrest. What is the correct rate of ventilations when using a bag-valve mask (BVM) without an advanced airway in place?

Accepted Answer

2 breaths after every 30 chest compressions.

Answer

1 breath after every 15 chest compressions.

Answer

1 breath every 3 seconds.

Answer

10 to 12 breaths per minute.

Question 8

Which of the following describes the most important consideration when providing supplemental oxygen to a patient using a nasal cannula?

Accepted Answer

The flow rate should be set between 1 and 6 L/min to avoid irritating the nasal mucosa.

Answer

The device should only be used if the patient's respiratory rate is greater than 30 breaths per minute.

Answer

The reservoir bag must be fully inflated before placing the prongs in the patient's nose.

Answer

The flow rate must be set at exactly 10 to 15 L/min to ensure high oxygen concentration.

Question 9

An EMR is treating a 20-year-old female who is semi-conscious and has an intact gag reflex. Which of the following airway adjuncts is most appropriate for this patient?

Accepted Answer

Nasopharyngeal airway (NPA)

Answer

Endotracheal tube

Answer

Oropharyngeal airway (OPA)

Answer

King LT supraglottic airway

Question 10

An Emergency Medical Responder (EMR) is preparing to suction a patient's airway to remove thick secretions. Which of the following is the correct technique for performing this procedure?

Accepted Answer

Insert the catheter without suctioning, and apply suction only while withdrawing the catheter in a circular motion.

Answer

Suction for at least 30 seconds to ensure all debris is removed before allowing the patient to breathe.

Answer

Apply continuous suction while inserting the catheter into the patient's throat.

Answer

Insert the catheter as far as possible until it touches the back of the pharynx before starting suction.

Question 11

An Emergency Medical Responder (EMR) is managing an unresponsive 22-year-old male patient who has a gag reflex and is breathing

8

times per minute with shallow depth. Which of the following is the most appropriate initial airway intervention?

Accepted Answer

Ventilation with a Bag-Valve Mask (BVM) and supplemental oxygen

Answer

Insertion of an Oropharyngeal Airway (OPA)

Answer

Administration of oxygen via a Non-Rebreather Mask (NRM) at 15 L/min

Answer

Performing the Head-Tilt, Chin-Lift maneuver only

Question 12

While suctioning the oropharynx of an adult patient who has just vomited, what is the maximum amount of time an Emergency Medical Responder should apply suction to avoid inducing hypoxia?

Accepted Answer

15 seconds

Answer

30 seconds

Answer

60 seconds

Answer

5 seconds

Question 13

An Emergency Medical Responder is treating a conscious 19-year-old patient who is choking. The patient is clutching their throat, cannot speak, and is turning cyanotic. According to NREMT guidelines, what is the most appropriate next step?

Accepted Answer

Perform abdominal thrusts

Answer

Encourage the patient to cough forcefully

Answer

Deliver five back blows

Answer

Perform a blind finger sweep

Question 14

Which of the following is the most appropriate method for opening the airway of a 20-year-old trauma patient who is suspected of having a cervical spine injury?

Accepted Answer

Jaw-thrust maneuver

Answer

Head-tilt, chin-lift maneuver

Answer

Fowler's position adjustment

Answer

Neck-extension maneuver

Question 15

An Emergency Medical Responder is preparing to insert a Nasopharyngeal Airway (NPA). How should the EMR determine the correct size for the patient?

Accepted Answer

Measure from the tip of the nose to the earlobe

Answer

Measure from the corner of the mouth to the angle of the jaw

Answer

Measure from the bridge of the nose to the chin

Answer

Measure the width of the patient's smallest finger

Question 16

A 21-year-old female is found unresponsive following a motor vehicle collision. After opening her airway manually, you decide to use an Oropharyngeal Airway (OPA). What is the correct method for measuring the proper size of an OPA for this patient?

Accepted Answer

From the corner of the mouth to the tip of the earlobe

Answer

From the corner of the mouth to the center of the throat

Answer

From the tip of the nose to the tip of the earlobe

Answer

From the center of the mouth to the angle of the jaw

Question 17

An Emergency Medical Responder is assessing a 19-year-old female complaining of shortness of breath. Her respiratory rate is

8

breaths per minute with adequate tidal volume, and she is alert and oriented. Which oxygen delivery device is most appropriate for this patient?

Accepted Answer

Non-rebreather mask at 12 to 15 L/min

Answer

Nasal cannula at 15 L/min

Answer

Venturi mask at 2 L/min

Answer

Bag-Valve Mask (BVM) at 15 L/min

Question 18

An Emergency Medical Responder is using a Bag-Valve Mask (BVM) to ventilate an apneic 20-year-old patient. To ensure effective ventilations, the EMR should observe for which of the following?

Accepted Answer

Visible rise and fall of the chest

Answer

Hearing air escape around the edges of the mask

Answer

Fogging of the mask surface

Answer

The reservoir bag fully deflating with each breath

Question 19

An Emergency Medical Responder (EMR) is ventilating an adult patient in respiratory arrest using a Bag-Valve Mask (BVM). What is the correct ventilation rate for this patient according to current NREMT guidelines?

Accepted Answer

One breath every 6 seconds

Answer

One breath every 3 seconds

Answer

One breath every 10 seconds

Answer

Two breaths every 15 seconds

Question 20

Which of the following describes the correct procedure for inserting an Oropharyngeal Airway (OPA) in an adult patient?

Accepted Answer

Insert the airway upside down with the tip toward the roof of the mouth, then rotate 180 degrees

Answer

Lubricate the airway with a petroleum-based jelly and slide it along the floor of the nasal cavity

Answer

Insert the airway right-side up while using a tongue depressor to pull the tongue forward

Answer

Insert the airway sideways and rotate 90 degrees once the tip reaches the uvula

Question 21

A patient is receiving oxygen via a nasal cannula at a flow rate of 4 liters per minute (LPM). Approximately what percentage of inspired oxygen (

8

) is being delivered?

Accepted Answer

36%

Answer

24%

Answer

44%

Answer

60%

Question 22

Which oxygen delivery device is most appropriate for a patient who is in mild respiratory distress and requires a low concentration of oxygen, typically ranging from 24% to 44%?

Accepted Answer

Nasal Cannula

Answer

Non-rebreather mask

Answer

Bag-valve mask

Answer

Venturi mask

Question 23

An EMR is using a Bag-valve mask (BVM) with a reservoir and an oxygen flow rate of 15 liters per minute (LPM). What is the approximate concentration of oxygen delivered to the patient during ventilations?

Accepted Answer

Nearly 100%

Answer

44% to 54%

Answer

21% to 31%

Answer

60% to 70%

Question 24

An EMR is assisting a patient with a nasal cannula. At a flow rate of 1 liter per minute (LPM), the oxygen concentration is approximately 24%. What is the approximate concentration delivered if the flow rate is increased to 6 LPM?

Accepted Answer

44%

Answer

54%

Answer

32%

Answer

60%

Question 25

An EMR is tasked with setting up a Non-rebreather mask (NRB) for a patient. What is the minimum flow rate required for this device to ensure the reservoir bag stays inflated and prevents the patient from re-breathing exhaled carbon dioxide?

Accepted Answer

10 to 12 LPM

Answer

20 to 25 LPM

Answer

6 to 8 LPM

Answer

2 to 4 LPM

Question 26

An EMR is preparing to use a Venturi mask on a patient with chronic obstructive pulmonary disease (COPD). What is the primary advantage of using a Venturi mask compared to other oxygen delivery devices?

Accepted Answer

It provides a specific and precise concentration of oxygen

Answer

It can only be used with oxygen tanks smaller than D-size

Answer

It provides the highest possible concentration of oxygen

Answer

It allows for the highest flow rates up to 25 LPM

Question 27

An EMR is providing care to a patient and decides to use a Bag-valve mask (BVM) without an oxygen source connected. Approximately what percentage of oxygen is being delivered to the patient by the BVM using only room air?

Accepted Answer

21%

Answer

100%

Answer

16%

Answer

45%

Question 28

An EMR is performing rescue breathing using a pocket mask without supplemental oxygen connected. What is the approximate percentage of oxygen being delivered to the patient from the EMR's exhaled breath?

Accepted Answer

16%

Answer

32%

Answer

10%

Answer

21%

Related quizzes

Related quizzes