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EMS Accelerated 2020 (Book Flashcards) > Chapter 10: Airway Management > Flashcards

Chapter 10: Airway Management Flashcards

1
Q

Metabolism that can proceed only in the presence of oxygen

A

aerobic metabolism

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2
Q

occasional, gasping breaths that occur after the heart has stopped

A

agonal gasps

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3
Q

The upper airway tract of the passage above the larynx, which includes the noes, mouth, and throat

A

airway

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4
Q

The volume of air that reaches the alveoli. It is determined by subtracting the amount of dead space air from the tidal volume.

A

alveolar ventilation

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5
Q

A safety system for large oxygen cylinders, designed to prevent the accidental attachment of a regulator to a cylinder containing the wrong type of gas

A

American Standard System

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6
Q

The metabolism that takes place in the absence of oxygen; the principle product is lactic acid

A

anerabic metabolism

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7
Q

absence of spontaneous breathing

A

apnea

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8
Q

In the context of airway, the introduction of vomitus or other foreign material into the lungs

A

aspiration

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9
Q

Irregular, ineffective respirations that may or may not have an identifiable pattern

A

ataxic respirations

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10
Q

A ventilation device attached to a control box that allows the variables of ventilation to be set. It frees the EMT to perform other tasks while the patient is being ventilated

A

automatic transport ventilator (ATV)

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11
Q

A device with a one-way valve and a face mask attached to a ventilation bag; when attached to a reservoir and connected to oxygen, delivers more than 90% supplemental oxygen

A

bag-mask device

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12
Q

A protective item, such as a pocket mask with a valve, that limits exposure to a patient’s body fluids

A

barrier device

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13
Q

A body part or condition that appears on both sides of the midline

A

bilateral

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14
Q

Subdivision of the smaller bronchi in the lungs; made of smooth muscle and dilate or constrict in response to various stimuli

A

bronchioles

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15
Q

point at which the trachea bifurcates (divides) into the left and right mainstream bronchi

A

carina

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16
Q

Monitors the levels of oxygen, carbon dioxide, and the pH of the cerebrospinal fluid and then provide feedback to the respiratory centers to modify the rate and depth of breathing based on the body’s needs at any given time

A

chemoreceptors

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17
Q

The ability of the alveoli to expand when air is drawn in during inhalation

A

compliance

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18
Q

A method of ventilation used primarily in the treatment of critically ill patients with respiratory distress; can prevent the need for endotracheal intubation

A

continuous positive airway pressure (CPAP)

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19
Q

the portion of tidal volume that does not reach the alveoli and thus does not participate in gas exchange

A

dead space

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20
Q

A process in which molecules move from an area of higher concentration to an area of lower concentration

A

diffusion

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21
Q

shortness of breath

A

dyspnea

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22
Q

The passive part of the breathing process in which the diaphragm and the intercostal muscles relax, forcing air out of the lungs

A

exhalation

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23
Q

The exchange of gases between the lungs and the blood cells in the pulmonary capillaries; also called pulmonary respiration

A

external respiration

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24
Q

A normal reflex mechanism that causes retching; activated by touching the soft palate or the back of the throat

A

gag reflex

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25
Q

A condition in which air fills the stomach, often as a result of high volume and pressure during artificial ventilation

A

gastric distention

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26
Q

The space in between the vocal cords that is the narrowest portion of the adult’s airway; also called the glottic opening

A

glottis

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27
Q

A term used to distinguish the degree of distress in a patient with a mild airway obstruction. With good air exchange, the patient is still conscious and able to cough forcefully, although wheezing may be heard

A

good air exchange

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28
Q

A combination of two movements to open the airway by tilting the forehead back and lifting the chin; not used for trauma patients

A

head tilt-chin lift maneuver

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29
Q

Increased carbon dioxide level in the bloodstream

A

hypercarbia

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30
Q

A dangerous condition in which the body tissues and cells do not have enough oxygen

A

hypoxia

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31
Q

A condition in which chronically low levels of oxygen in the blood stimulate the respiratory drive; seen in patients with chronic lung diseases

A

hypoxic drive

32
Q

The active, muscular part of breathing that draws air into the airway and lungs

A

inhalation

33
Q

The exchange of gases between the blood cells and tissues

A

internal respiration

34
Q

bypassing of oxygen-poor blood past nonfunctional alveoli to the left side of the heart

A

intrapulmonary shunting

35
Q

Technique to open the airway by placing the fingers behind the angle of the jaw and bringing the jaw forward; used for patients who may have a cervical spine injury

A

jaw-thrust maneuver

36
Q

breathing that requires greater than normal effort; may be slower or faster than normal and usually requires the use of accessory muscles

A

labored breathing

37
Q

A complete structure formed by many independent cartilaginous structures that all work together; where the upper airway ends and the lower airway begins; also called the voice box

A

larynx

38
Q

A fixed flow/rate ventilation device that delivers a breath every time its button is pushed; also referred to as a flow-restricted, oxygen-powered ventilation device

A

manually triggered ventilation device

39
Q

Space within the chest that contains the heart, major blood vessels, vagus nerve, trachea, major bronchi, and esophagus; located between the two lungs

A

mediastinum

40
Q

The biochemical processes that result in production of energy from nutrients within the cells

A

metabolism (cellular respiration)

41
Q

occurs when a foreign body partially obstructs the patient’s airway. The patient is able to move adequate amounts of air, but still experiences some degree of respiratory distress

A

mild airway obstruction

42
Q

The volume of air moved through the lungs in 1 minute minus the dead space; calculated by multiplying tidal volume (minus dead space) and respiratory rate; also referred to as minute volume

A

minute ventilation

43
Q

An oxygen delivery device in which oxygen flows through two small, tubelike prongs that fit into the patient’s nostrils; delivers 24%-44% supplemental oxygen, depending on the flow rate

A

nasal cannula

44
Q

Airway adjunct inserted into the nostril of an unresponsive patient, or a patient with an altered level of consciousness who is unable to maintain airway patency independently

A

nasopharyngeal (nasal) airway

45
Q

The nasal cavity; formed by the union of facial bones and protects the respiratory tract from contaminants

A

nasopharynx

46
Q

A combination mask and reservoir bag system that is the preferred way to give oxygen in the prehospital setting; delivers up to 90% inspired oxygen and prevents inhaling the exhaled gases (carbon dioxide)

A

nonrebreathing mask

47
Q

Airway adjunct inserted into the mouth of an unresponsive patient to keep the tongue from blocking the upper airway and to facilitate suctioning the airway, if necessary

A

oropharyngeal (oral) airway

48
Q

Forms the posterior portion of the oral cavity, which is bordered superiorly by the hard and soft palates, laterally by the cheeks, and inferiorly by the tongue

A

oropharynx

49
Q

The process of delivering oxygen to the blood by diffusion from the alveoli following inhalation into the lungs

A

oxygenation

50
Q

Thin membrane that lines the chest cavity

A

parietal pleura

51
Q

The term used to describe the amount of gas in air or dissolved in fluid, such as blood

A

partial pressure

52
Q

open, clear of obstruction

A

patent

53
Q

Nerve that innervates the diaphragm; necessary for adequate breathing to occur

A

phrenic nerve

54
Q

A system established for portable cylinders to ensure that a regulator is not connected to a cylinder containing the wrong type of gas

A

pin-indexing system

55
Q

A partial or complete accumulation of air in the pleural space

A

pneumothorax

56
Q

A term used to describe the degree of distress in a patient with a mild airway obstruction. The patient often has a weak, ineffective cough, increased difficulty breathing, or possible cyanosis and may produce a high-pitched noise during inhalation (stridor)

A

poor air exchange

57
Q

mechanical maintenance of pressure in the airway at the end of expiration to increase the volume of gas remaining in the lungs

A

positive end-expiratory pressure (PEEP)

58
Q

An assessment tool that measures oxygen saturation of hemoglobin in the capillary beds

A

pulse oximetry

59
Q

A side-lying position used to maintain a clear airway in unconscious patients without injuries who are breathing adequately

A

recovery position

60
Q

The air that remains in the lungs after maximal expiration

A

residual volume

61
Q

the process of exchanging oxygen and carbon dioxide

A

respiration

62
Q

movements in which the skin pulls in around the ribs during inspiration

A

retractions

63
Q

occurs when a foreign body completely obstructs the patient’s airways. Patients cannot breathe, talk, or cough.

A

severe airway obstruction

64
Q

An opening through the skin and into an organ or other structure

A

stoma

65
Q

A high-pitched noise heard primarily on inspiration

A

stridor

66
Q

A hollow, cylindrical device used to remove fluid from the patient’s airway

A

suction catheter

67
Q

A liquid protein substance that coats the alveoli in the lungs, decreases alveolar surface tension, and keeps the alveoli expanded; a low level in a premature infant contributes to respiratory distress syndrome

A

surfactant

68
Q

A life-threatening collection of air within the pleural space; the volume and pressure have both collapsed the involved lung and caused a shift of the mediastinal structures to the opposite side

A

tension pneumothorax

69
Q

The amount of air (in mL) that is moved in or out of the lungs during one breath

A

tidal volume

70
Q

large, semirigid suction tips recommended for suctioning the pharynx; also called Yankauer tips

A

tonsil tips

71
Q

Surgical opening into the trachea

A

tracheostomy

72
Q

exchange of air between the lungs and the environment, spontaneously by the patient or with assistance from another person, such as an EMT

A

ventilation

73
Q

Thin membrane that covers the lungs

A

visceral pleura

74
Q

The amount of air that can be forcibly expelled from the lungs after breathing in as deeply as possible

A

vital capacity

75
Q

Thin white bands of tough muscular tissue that are lateral borders of the glottis and serve as the primary center for speech production

A

vocal cords

76
Q

The production of whistling sounds during expiration such as occurs in asthma and bronchiolitis

A

wheezing

EMS Accelerated 2020 (Book Flashcards) (44 decks)

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