Ch. 7 Concepts

Question 1

What are the organs of the respiratory system (6)

Answer 1

nasal cavity, pharynx, larynx, trachea, bronchial tubes, lungs

Question 2

what are the organs of the respiratory responsible for? (3)

Answer 2

bring in fresh air, exchange oxygen or carbon dioxide, exhaling stale air

Question 3

what are the three parts that respiration is divided into

Answer 3

ventilation, external respiration, and internal respiration

Question 4

what is ventilation

Answer 4

the flow of air between the outside environment and the lungs

Question 5

what are the two stages of ventilation

Answer 5

inhalation and exhalation

Question 6

what is inhalation

Answer 6

the flow of air into the lungs, bringing in fresh oxygen

Question 7

what is exhalation

Answer 7

the flow of air out of the lungs, removing carbon dioxide

Question 8

true or false: oxygen leaves air sacs and enters the blood stream

Answer 8

true

Question 9

true or false: carbon dioxide leaves the bloodstream and enters air sacs

Answer 9

true

Question 10

air enters the nasal cavity at the _____

Answer 10

nares

Question 11

the nasal cavity is divided by the ____ _____

Answer 11

nasal septum

Question 12

the _____ separates the nasal cavity from the mouth

Answer 12

palate

Question 13

____ _____ lines the cavity

Answer 13

mucous membrane

Question 14

____ line the nasal openings and filter air

Answer 14

cilia

Question 15

_____ ______ aid in sound production and voice resonance

Answer 15

paranasal sinuses

Question 16

how long is the pharynx

Answer 16

5 inches

Question 17

what is the pharynx divided into

Answer 17

the nasopharynx, oropharynx, and laryngopharynx

Question 18

where is the opening of the eustachian tube

Answer 18

the nasopharynx

Question 19

The larynx is located in between the _____ and _______

Answer 19

pharynx; trachea

Question 20

the larynx houses the ____ _____

Answer 20

vocal cords

Question 21

What is the name of the opening between the folds

Answer 21

glottis

Question 22

how do the folds make sounds

Answer 22

they vibrate as air passes through the glottis

Question 23

what is the function of the epiglottis

Answer 23

prevents food and liquid from being inhaled into the lungs

Question 24

What does the epiglottis cover during swallowing

Answer 24

the larynx and the trachea

Question 25

What is the larynx made of

Answer 25

cartilaginous plates held in place by ligaments and muscles

Question 26

What is the trachea composed of

Answer 26

smooth muscle and cartilage rings

Question 27

what does the trachea do

Answer 27

carry air from the larynx to the main bronchi

Question 28

what lines the trachea

Answer 28

mucous membrane and cilia

Question 29

the distal end of the trachea divides into the ________

Answer 29

the left and right main bronchi

Question 30

what are the narrowest branches called

Answer 30

bronchioles

Question 31

where do bronchioles terminate

Answer 31

alveoli

Question 32

where does gas exchange occur

Answer 32

pulmonary capillaries that encase alveolie

Question 33

what protects the lungs

Answer 33

pleura

Question 34

what is the outer pleura called

Answer 34

parietal pleura

Question 35

what is the inner pleura called

Answer 35

visceral pleura

Question 36

How many lobes does the right lung have

Answer 36

three

Question 37

how many lobes does the left lung have

Answer 37

two

Question 38

what is the entry and exit point for bronchi, vessels, and nerves

Answer 38

the medial hilum

Question 39

unforced breaths are considered

Answer 39

passive

Question 40

forced breaths are considered

Answer 40

active