Flashcards in Chapter 9: Airway Management Deck (102)
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1
brain tissue will begin to die within ____ minutes when deprived of oxygen
4-6 minutes
2
____ of the brain is lost every minute without oxygen
10%
3
oxygen reaches the bodies tissues through what two processes
circulation and breathing
4
the airway is divided into upper and lower portions by the
larynx
5
_____ is the exchange of air between lungs and the environment
ventilation
6
ventilation is necessary for _____ and ____ to occur
oxygenation and respiration
7
the upper airway consists of these 6 anatomical structures
1. nose
2. mouth
3. jaw
4. oral cavity
5. pharynx
6. larynx
8
the function of the upper airway is to
warm, filter, and humidify air entering the mouth and nose
9
the ____ is a muscular tube that starts at the nose and ends at the trachea level
pharynx
10
the pharynx consists of these three structures
1. nasopharynx
2. oropharynx
3. laryngopharynx
11
the ____ is the entrance to the respiratory and digestive systems
oropharynx
12
the ____ prevents food and liquid from entering the larynx during swallowing
epiglottis
13
the larynx consists of these two structures
adam's apple and vocal cords
14
function of the lower airway
gas exchange
15
lower airway consists of these three structures
1. trachea
2. thoracic cavity
3. lungs
16
the ____ is where air enters into the lungs
trachea
17
the trachea divides at the ____ into the ______
carina, into the two main stem bronchi (right and left)
18
function of the bronchi is to
distribute O2 into the lungs
19
bronchi --> _____ --> ______
bronchi --> bronchioles --> alveoli
20
the bronchioles are ______ that _____ and ____ as O2 passes through
the bronchioles are smooth muscle that dilate and constrict as O2 passes through
21
____ are where O2 and CO2 exchange
alveoli
22
alveoli are surrounded by ______ where oxygen is diffused from the alveoli and transported to the heart for distribution through the body
pulmonary capillaries
23
also in the thoracic cavity is the ____
mediastinum
24
the mediastinum is the area between the
lungs
25
the mediastinum consists of these 6 things
1. heart
2. great vessels (vena cava and aorta)
3. esophagus (not part of resp. system)
4. trachea
5. major bronchi
6. nerves
26
the ____ and ____ systems work together to supply cells with O2 and nutrients and to remove waste
respiratory and cardiovascular systems
27
_____ is the amount of air (in ml) that move into the lung s in one breath
tidal volume (TV)
28
ventilation consists of ____ and _____
inhalation and exhalation
29
inhalation is an ____ process
active
30
