Chapter 9: Airway Management Flashcards Preview

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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

during inhalation the diaphragm ______

contracts