Question 1

Which of the following statements, made by the EMT, reflects correct knowledge regarding the use of oxygen in patient care?

Accepted Answer

A)   "Aside from chest pain, stroke, and trauma, oxygen is no longer used in emergency care."
B)   "Oxygen administration is no longer considered standard therapy for EMS."
C)   "Oxygen administration should be used in such a way that a patient's SpO₂ reaches 97% to 100%."
D)   "Overoxygenating a patient is not an issue for EMS, given the short amount of time we have patient contact."E) A) and B)
F) A) and C)

Question 2

Which of the following is true regarding the form or function of the alveoli?

Accepted Answer

A)   The alveoli permit gas exchange between the lungs and bloodstream.
B)   The alveoli are thin walled and covered by smooth muscle.
C)   The alveoli are air passages that permit ventilation of the lung.
D)   The alveoli are covered with small arteries that allow gas exchange.E) None of the above
F) A) and D)

Question 3

You are assessing a young male patient who is responsive to painful stimuli and breathing agonally after being ejected from an automobile at a high rate of speed. His pulse is weak and thready, and his skin is cool and diaphoretic. When addressing his airway and breathing, the EMT must immediately:

Accepted Answer

A)   administer oxygen at 15 lpm with a nonrebreather face mask.
B)   perform the jaw-thrust and begin artificial ventilations with the bag-valve mask.
C)   immobilize him to a long spine board, and then start positive pressure ventilation.
D)   open the airway using the head-tilt, chin-lift and begin ventilations with the bag-valve mask.E) A) and D)
F) All of the above

Question 4

The EMT should recognize that the oropharyngeal airway has been appropriately inserted when:

Accepted Answer

A)   it cannot be dislodged by the EMT.
B)   the respiratory rate returns to normal.
C)   vomiting is no longer occurring.
D)   its flange rests on the teeth.E) B) and D)
F) None of the above

Question 5

Which one of the following best describes the purpose of a Venturi mask?

Accepted Answer

A)   The device is used to deliver positive pressure ventilation.
B)   It allows a 100% concentration of oxygen to be delivered.
C)   Precise concentrations of oxygen are able to be delivered.
D)   It provides a seal over the larynx, preventing aspiration during positive pressure ventilation.E) A) and B)
F) C) and D)

Question 6

You must suction frothy secretions from the mouth and pharynx of a 31-year-old male patient whose respiration rate is 4 breaths per minute. Which one of the following interventions is most appropriate given the patient's condition?

Accepted Answer

A)   Suction for no more than 15 seconds at a time followed by 2 minutes of positive pressure ventilation.
B)   Forego suctioning and continue to provide positive pressure ventilation.
C)   Place the patient into a side-lying position and alternate 30 seconds of suctioning and ventilation.
D)   Use a soft-tip catheter and suction for no more than 30 seconds before providing additional oxygen with a nonrebreather face mask.E) A) and B)
F) None of the above

Question 7

Which one of the following statements about the bag-valve mask (BVM)  is true?

Accepted Answer

A)   Oxygen must be attached so that the squeezable bag will reinflate.
B)   A 15/22 mm adapter allows the BVM to be attached to advanced airways such as the endotracheal tube.
C)   The nonrebreather valve allows the patient to rebreathe air that he has exhaled.
D)   The oxygen reservoir should deflate by one-third every time a breath is given.E) All of the above
F) A) and B)

Question 8

Which one of the following is obstructing the airway when snoring is heard?

Accepted Answer

A)   Fluid in the upper airway
B)   Swelling of the larynx
C)   Bronchospasm
D)   The tongueE) B) and C)
F) A) and D)

Question 9

Which of the following best describes the path that oxygen must travel to get into the cells of the body?

Accepted Answer

A)   Nasopharynx, oropharynx, carina, trachea, alveoli
B)   Oropharynx, larynx, trachea, carina, bronchioles
C)   Nose, pharynx, esophagus, bronchi, alveoli
D)   Pharynx, larynx, trachea, alveoli, bronchiolesE) None of the above
F) B) and C)

Question 10

In a healthy person, the primary stimulus to breathe is:

Accepted Answer

A)   lung pressures.
B)   oxygen.
C)   diaphragm.
D)   carbon dioxide.E) None of the above
F) A) and D)

Question 11

When using a nonrebreather face mask, the EMT recognizes which one of the following?

Accepted Answer

A)   The air exhaled by the patient will be recycled with oxygen.
B)   The mask is comfortable and well tolerated by all patients when properly applied.
C)   Approximately 90% of the patient's tidal volume will be oxygen.
D)   Oxygen is delivered into the lungs even when the patient is not inhaling.E) A) and D)
F) A) and C)

Question 12

You are assessing a patient with altered mental status. Which assessment finding contraindicates the use of the nonrebreather face mask?

Accepted Answer

A)   Confusion
B)   Respiratory rate of 18, with poor tidal volume
C)   Clear and equal breath sounds
D)   Respiratory rate of 24 breaths per minuteE) A) and B)
F) None of the above

Question 13

The difference between respiration and ventilation is best described as:

Accepted Answer

A)   Ventilation describes the absorption of O₂ into the cells while ventilation is the excretion of CO₂ from the cells.
B)   Ventilation describes the exchange of gases at the cellular level while respiration describes the same process in the lungs.
C)   Respiration describes the exchange of O₂ and CO₂ while ventilation describes the movement of air that carries them.
D)   Respiration and ventilation are similar terms that both describe normal and healthy breathing in the living organism.E) None of the above
F) All of the above

Question 14

Which one of the following statements indicates that the EMT has an accurate understanding of the bronchioles?

Accepted Answer

A)   "They are large structures that pass oxygen from the lungs directly into the bloodstream."
B)   "They are small air sacs located just before the alveoli."
C)   "They are small passages located in the lower airway that have smooth muscle surrounding them."
D)   "They are large airways located before the carina and are made of cartilage."E) A) and B)
F) B) and C)

Question 15

Which of the following would cause the greatest decrease in oxygen delivery to the cells?

Accepted Answer

A)   Heart rate above 120 beats per minute
B)   Diastolic blood pressure >100 mmHg
C)   Decreased amount of circulating hemoglobin
D)   Temperature above 103ᵒFE) A) and D)
F) A) and C)

Question 16

When providing an in-service on ventilating the geriatric patient, you should emphasize which one of the following in regards to a patient who has dentures?

Accepted Answer

A)   It is always best to remove dentures regardless of whether they are loose or not.
B)   It is best to leave the top appliance in place, but remove the bottom one.
C)   Removal of dentures enables the EMT to maintain a better face to mask seal.
D)   Loose appliances should be removed if they interfere with the airway or the seal between the mask and face.E) None of the above
F) A) and D)

Question 17

The EMT shows that he is correctly using the flow-restricted, oxygen-powered ventilation device when he:

Accepted Answer

A)   stops ventilating as soon as the patient's chest begins to rise.
B)   administers each ventilation over a 2- to 3-second period.
C)   ventilates the patient at a rate of 20 breaths per minute.
D)   increases pressure if the air enters the stomach instead of the lungs.E) None of the above
F) All of the above

Question 18

A patient with chest discomfort has the following vital signs: pulse 88, respirations 14, blood pressure 154/84, and SpO₂ 97% on room air. In this situation, the EMT would address oxygen therapy by administering:

Accepted Answer

A)   nasal cannula at 4 lpm.
B)   blow-by oxygen at 5 lpm.
C)   no oxygen.
D)   nonrebreather at 15 lpm.E) None of the above
F) B) and C)

Question 19

You are caring for a 46-year-old male patient who is unresponsive. Which one of the following statements made by your partner indicates the need to immediately stop suctioning the patient's airway and resume positive pressure ventilation?

Accepted Answer

A)   "He is starting to have gurgling respirations."
B)   "His heart rate is 48 beats per minute."
C)   "You have been suctioning now for 10 seconds."
D)   "He is biting down on the rigid-tip catheter."E) A) and D)
F) B) and C)

Question 20

A young child with multiple physical and developmental abnormalities has a severe nose bleed. You must suction his nasopharynx to decrease the amount of blood he is swallowing. Which of the following would be included in this care?

Accepted Answer

A)   Insert a soft catheter into the nose the same length as the distance from the patient's nose to the tip of his ear.
B)   Place the patient on his side and gently insert a rigid-tip catheter 1 inch into each nostril starting with the right.
C)   Insert the soft catheter through the nose past the base of the tongue.
D)   Irrigate the nostrils with water to thin and loosen the blood prior to suctioning with a rigid catheter.E) B) and C)
F) A) and B)

Exam 10: Airway Management, Artificial Ventilation, and Oxygenation

Which of the following best describes the path that oxygen must travel to get into the cells of the body?

Correct AnswerverifiedShow Answer

In a healthy person, the primary stimulus to breathe is:

Correct AnswerverifiedShow Answer

You are assessing a young male patient who is responsive to painful stimuli and breathing agonally after being ejected from an automobile at a high rate of speed. His pulse is weak and thready, and his skin is cool and diaphoretic. When addressing his airway and breathing, the EMT must immediately:

Correct AnswerverifiedShow Answer

Which one of the following statements about the bag-valve mask (BVM) is true?

Correct AnswerverifiedShow Answer

Which of the following statements, made by the EMT, reflects correct knowledge regarding the use of oxygen in patient care?

Correct AnswerverifiedShow Answer

You are caring for a 46-year-old male patient who is unresponsive. Which one of the following statements made by your partner indicates the need to immediately stop suctioning the patient's airway and resume positive pressure ventilation?

Correct AnswerverifiedShow Answer

Which one of the following statements indicates that the EMT has an accurate understanding of the bronchioles?

Correct AnswerverifiedShow Answer

You are assessing a patient with altered mental status. Which assessment finding contraindicates the use of the nonrebreather face mask?

Correct AnswerverifiedShow Answer

You must suction frothy secretions from the mouth and pharynx of a 31-year-old male patient whose respiration rate is 4 breaths per minute. Which one of the following interventions is most appropriate given the patient's condition?

Correct AnswerverifiedShow Answer

The difference between respiration and ventilation is best described as:

Correct AnswerverifiedShow Answer

Which one of the following is obstructing the airway when snoring is heard?

Correct AnswerverifiedShow Answer

Which of the following would cause the greatest decrease in oxygen delivery to the cells?

Correct AnswerverifiedShow Answer

When using a nonrebreather face mask, the EMT recognizes which one of the following?

Correct AnswerverifiedShow Answer

Which of the following is true regarding the form or function of the alveoli?

Correct AnswerverifiedShow Answer

When providing an in-service on ventilating the geriatric patient, you should emphasize which one of the following in regards to a patient who has dentures?

Correct AnswerverifiedShow Answer

The EMT shows that he is correctly using the flow-restricted, oxygen-powered ventilation device when he:

Correct AnswerverifiedShow Answer

A patient with chest discomfort has the following vital signs: pulse 88, respirations 14, blood pressure 154/84, and SpO₂ 97% on room air. In this situation, the EMT would address oxygen therapy by administering:

Correct AnswerverifiedShow Answer

A young child with multiple physical and developmental abnormalities has a severe nose bleed. You must suction his nasopharynx to decrease the amount of blood he is swallowing. Which of the following would be included in this care?

Correct AnswerverifiedShow Answer

The EMT should recognize that the oropharyngeal airway has been appropriately inserted when:

Correct AnswerverifiedShow Answer

Which one of the following best describes the purpose of a Venturi mask?

Correct AnswerverifiedShow Answer

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