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EMT > Airway Management > Flashcards

Airway Management Flashcards

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1
Q

How many minutes will brain tissue die when is out if oxygen?

A

4-6 minutes

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2
Q

What is ventilation?

A

The physical act of moving air in and out of the lungs

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3
Q

What is oxygenation?

A

The process of loading oxygen molecules onto hemoglobin molecules in the blood stream

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4
Q

What is respiration?

A

The actual exchange of oxygen and carbon dioxide in the alveoli as well as tissues of the body

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5
Q

What is the pharynx?

A

Muscular tube that extends from nose and mouth to level of esophagus and trachea

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6
Q

How is the nasopharynx formed?

A

The union of facial bones

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7
Q

What is the oropharynx?

A

Entrance for the respiratory system and digestive system

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8
Q

What is the larynx?

A

Formed by many cartilaginous structures that marks where the upper airway ends and lower airway begins

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9
Q

What is the space between the lungs called?

A

The mediastinum

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10
Q

How is ventilation regulated?

A

By the ph of the cerebrospinal fluid

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11
Q

What does external respiration do?

A

Exchanges oxygen and carbon dioxide between alveoli and blood in pulmonary capillaries

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12
Q

What does internal respiration do?

A

Exchange oxygen and carbon dioxide between systemic circulatory system and cells

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13
Q

What four things do chemoreceptors measure?

A

Oxygen
Carbon dioxide
Hydrogen ions
PH of cerebrospinal fluid

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14
Q

What two things affect pulmonary ventilation?

A

Trauma

Foreign body airway obstruction

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15
Q

What are three intrinsic factors affecting pulmonary ventilation?

A

Infections
Allergic reactions
Unresponsiveness (tongue obstruction)

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16
Q

What are external factors affecting respiration?

A

Decreased atmospheric pressure at high altiitudes

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17
Q

What are two internal factors affecting respiration?

A

Pneumonia

COPD

18
Q

What are agonal respirations?

A

Irregular breathing patterns characterized by labored breathing and gasping

19
Q

When are Cheyne-Stokes repspirations seen?

A

During strokes and head injuries

20
Q

What are ataxic respirations?

A

Irregular or unidentifiable patterns

21
Q

What are Kussmaul respirations

A

Deep, gasping respirations

Associated with metabolic/toxic disorders

22
Q

What is hypoxia?

A

When body’s tissues and cells don’t have enough oxygen

23
Q

What does the oropharyngeal airway do?

A

Keeps tongue from blocking the airway in unconscious patients with no gag reflex and maintains an open airway

24
Q

When do you use the the adjunct for nasopharyngeal or nasal airway?

A

When the patient has a gag reflex?

25
Q

What is the next priority after opening the airway?

A

Suctioning

26
Q

What catheter is the best to use when suctioning the pharynx?

A

Ridgid tonsil-tip catheters

27
Q

What are soft plastic catheters used for?

A

suctioning the nose and liquid secretions in the back of the mouth

28
Q

What does strider mean?

A

High pitched partial airway obstruction

29
Q

What does patent mean?

A

Open airway

30
Q

What does contraindication mean?

A

Reasons not do do something

31
Q

How much oxygen does a patient get through mouth to mask ventilation?

A

55%

32
Q

How much oxygen can you deliver with a bag mask device with an oxygen reservoir and supplemental oxygen?

A

nearly 100%

33
Q

What is CPAP?

A

A noninvasive method of providing ventilatory support for patients in respiratory distress or suffering from sleep apnea

34
Q

What causes gastric distention?

A

Ventilating too forcefully when providing artificial ventilation

35
Q

What are two basic techniques for opening the airway?

A

Head-tilt chin lift maneuver

Jaw thrust maneuver (if trauma is suspected)

36
Q

How should you assess the patients tidal volume by?

A

Observing for adequate chest rise

37
Q

The primary stimulus to breath is?

A

Increased level of carbon dioxide in blood

38
Q

If respirations are slow and irregular you should?

A

Assist breathing with a bag mask device

39
Q

When ventilating an adult with a bag mask device you should squeeze the bag until?

A

Visible chest rise is noted

40
Q

When ventilating and the stomach becomes distended you should?

A

Reposition the head

EMT (30 decks)

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