Chapter 10 Airway Management
a year ago
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  • Question 1
    120 seconds
    Q.

    what percentage of the air we breathe is made up of oxygen?

    answer choices

    78%

    12%

    16%

    21%

  • Question 2
    180 seconds
    Q.

    what concentration of inspired oxygen is provided by a nasal cannula when the flowermeter is set at 1to 6 L/min?

    answer choices

    10% to 18%

    24% to 44%

    52% to 84%

    89% to 98%

  • Question 3
    180 seconds
    Q.

    which of the following statements regarding respiratory rate is true?

    answer choices

    the respiratory rate is about equal to the person's heart rate

    the normal rate is 12 to 20 breaths/min

    the rate is faster when the person is sleeping

    the rate is the same as in infants and children

  • Question 4
    180 seconds
    Q.

    which of the following is a sign of inadequate breathing in an adult?

    answer choices

    respiratory rate of 18 breaths/min

    diminished breath sounds

    equal chest expansion

    warm, pink skin

  • Question 5
    180 seconds
    Q.

    the brain stem normally triggers breathing by increasing respirations when:

    answer choices

    carbon dioxide levels increase

    oxygen levels increase

    carbon dioxide levels decrease

    nitrogen levels decrease

  • Question 6
    180 seconds
    Q.

    which of the following is a contraindication for placement of an oropharyngeal airway?

    answer choices

    intact gag reflex

    severe head injury

    unconsciousness

    fractured nasal bone

  • Question 7
    180 seconds
    Q.

    the proper technique for sizing an oropharyngeal airway before insertion is to measure the device from:

    answer choices

    the tip of the nose to the earlobe

    the bridge of the nose to the tip of the chin

    the corner of the mouth to the earlobe

    the center of the jaw to the earlobe

  • Question 8
    180 seconds
    Q.

    what is a common problem when a signal EMT uses a bag-valve mask?

    answer choices

    over-inflation of the lungs

    delivering an inappropriate rate of ventilations

    environmental conditions

    maintaining an airtight mask seal

  • Question 9
    180 seconds
    Q.

    when ventilating a patient with a bag-valve mask, you should:

    answer choices

    look for inflation of the cheeks

    squeeze the bag hard and fast

    look for rise and fall of the chest

    only perform this with an advanced airway

  • Question 10
    180 seconds
    Q.

    suctioning the oral cavity of an adult should be accomplished within:

    answer choices

    5 seconds

    10 seconds

    15 seconds

    20 seconds

  • Question 11
    180 seconds
    Q.

    which of the following is the most common method of assisting ventilations in the field?

    answer choices

    mouth-to-mouth with one way valve

    continuous positive airway pressure (CPAP)

    flow-restricted, oxygen-powered ventilation device

    bag-valve mask with oxygen reservoir and supplemental oxygen

  • Question 12
    180 seconds
    Q.

    when a person goes _______________minutes without oxygen, brain damage is very likely

    answer choices

    0 to 4

    4 to 6

    6 to 10

    more than 10

  • Question 13
    180 seconds
    Q.

    what is the most common airway obstruction in the unconscious patient?

    answer choices

    food

    tonsils

    blood

    tongue

  • Question 14
    180 seconds
    Q.

    what are agonal gasps?

    answer choices

    occasional gasping breaths but adequate to maintain life

    occasional gasping breaths but unable to maintain life

    painful respirations due to broken ribs

    another name for ataxic respirations

  • Question 15
    180 seconds
    Q.

    which of the following could result in an inaccurate pulse oximetry reading?

    answer choices

    warm extremities

    carbon monoxide poisoning

    vasodilation

    hyperthermia

  • Question 16
    180 seconds
    Q.

    nasal airways keep the tongue from blocking the upper airway and facilitate suctioning of the oropharynx

    answer choices

    true

    false

  • Question 17
    180 seconds
    Q.

    nasal cannulas can deliver a maximum of 44% oxygen at 6L/min

    answer choices

    true

    false

  • Question 18
    180 seconds
    Q.

    oral airways should be measured from the tip of the nose to the earlobe

    answer choices

    true

    false

  • Question 19
    180 seconds
    Q.

    compressed gas cylinders pose no unusual risk

    answer choices

    true

    false

  • Question 20
    180 seconds
    Q.

    the pin-indexing system is used to allow any gas regulator to be connected to an oxygen cylinder

    answer choices

    true

    false

  • Question 21
    180 seconds
    Q.

    you respond to a construction site to find a worker lying supine in the dirt. he was struck by a heavy construction vehicle and flew more than 15 feet (4.6 m) before landing in his current position. there is discoloration and distention of his abdomen about the RUQ. he is unconscious and his respirations are 10 breaths/min and shallow, with noisy gurgling sounds.


    what airway technique will you use to open his airway?

    answer choices

    head tilt- neck lift maneuver

    jaw thrust

    head tilt- chin lift maneuver

    cross-finger technique

  • Question 22
    180 seconds
    Q.

    you respond to a construction site to find a worker lying supine in the dirt. he was struck by a heavy construction vehicle and flew more than 15 feet (4.6 m) before landing in his current position. there is discoloration and distention of his abdomen about the RUQ. he is unconscious and his respirations are 10 breaths/min and shallow, with noisy gurgling sounds.


    after opening the airway, your next priority is to:

    answer choices

    provide oxygen at 6L/min via non breathing mask

    provide oxygen at 15L/min via nasal cannula

    assist respirations

    suction the airway

  • Question 23
    180 seconds
    Q.

    you respond to a construction site to find a worker lying supine in the dirt. he was struck by a heavy construction vehicle and flew more than 15 feet (4.6 m) before landing in his current position. there is discoloration and distention of his abdomen about the RUQ. he is unconscious and his respirations are 10 breaths/min and shallow, with noisy gurgling sounds.


    what method will you use to keep his airway open?

    answer choices

    nasal cannula

    jaw thrust

    oropharyngeal airway

    head tilt- chin lift maneuver

  • Question 24
    180 seconds
    Q.

    you respond to a construction site to find a worker lying supine in the dirt. he was struck by a heavy construction vehicle and flew more than 15 feet (4.6 m) before landing in his current position. there is discoloration and distention of his abdomen about the RUQ. he is unconscious and his respirations are 10 breaths/min and shallow, with noisy gurgling sounds.


    while assisting with respirations, you note gastric distention. in order to prevent or alleviate the distention, you should do all of the following EXCEPT:

    answer choices

    ensure that the patient's airway is appropriately positioned

    ventilate the patient at the appropriate rate

    ventilate the patient at the appropriate volume

    ventilate the patient at a faster rate

  • Question 25
    180 seconds
    Q.

    you respond to a construction site to find a worker lying supine in the dirt. he was struck by a heavy construction vehicle and flew more than 15 feet (4.6 m) before landing in his current position. there is discoloration and distention of his abdomen about the RUQ. he is unconscious and his respirations are 10 breaths/min and shallow, with noisy gurgling sounds.


    the patient is now apneic. what is the correct ventilation rate for assisting this adult patient?

    answer choices

    one breath every 5 to 6 seconds

    one breath every 3 to 5 seconds

    one breath every 10 to 12 seconds

    there is no need to assist with ventilations for this patient

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