Respiratory System Chp 16 Bio 100

Front 1

What are the primary functions of the respiratory system?

Back 1

Obtaining oxygen and removing carbon dioxide

Front 2

Respiratory tubes do what?

Back 2

filter air and transport air to lungs and microscopic air sacswhere gases are exchanged

Front 3

Respiratory organs also do what?

Back 3

entrap particles from incoming air produce vocalsounds, sense of smell regulation of blood ph

Front 4

What is respiration?

Back 4

the entire process of gas exchange between the atmosphere and cells is called respiration

Front 5

What is included in the upper respiratory tract?

Back 5

nose, nasal cavity, paranasal sinuses, pharynx

Front 6

What is included in lower respiratory tract

Back 6

larynx, trachea, bronchial tree, lungs

Front 7

Internal hairs of the nose do what?

Back 7

prevents entry of large particles carried in the air

Front 8

What divides the nasal cavity into right and left portions and is composed of bone and cartilage?

Back 8

nasal septum

Front 9

what curls out from the lateral walls of the nasal cavity on each side dividing the cavity into passageways?

Back 9

Nasal conchae

Front 10

what supports the mucous membrane and helps increase its surface area?

Back 10

nasal conchae

Front 11

What happens to particles that are trapped inthe mucus?

Back 11

they are carried to the pharynx by ciliary action swallowed and brought to stomach where gastric juice destroys

Front 12

what does the paranasal sinuses do?

Back 12

reduce the weight of the skull and resonant chambers that affect quality of the voice

Front 13

It is a passage way for food traveling from the oral cavity to the esophagus and for air passing between the nasal cavity and the larynx

Back 13

Pharynx

Front 14

what helps to produce sound and speech?

Back 14

pharynx

Front 15

what is an enlargement in the airwayat the top of the trachea and below the pharynx?

Back 15

Larynx

Front 16

What conducts air in and out of the trachea and prevents foreign objects fromentering the trachea?

Back 16

The larynx

Front 17

Inside the larynx 2 pairs of horixontal vocal folds make the what?

Back 17

vocal cords

Front 18

where are the vocal cords housed?

Back 18

larynx

Front 19

what are the false vocal cords?

Back 19

the upper pair

Front 20

what are the true vocal cords?

Back 20

the lower cords

Front 21

what controls the pitch of sound?

Back 21

increasing tension or decreasing tension

Front 22

what raises the pitch?

Back 22

increasing tension

Front 23

what lowers the pitch?

Back 23

decreasing tension

Front 24

Stronger blast of air produce what?

Back 24

louder sounds

Front 25

Weaker blast of air produce what?

Back 25

softer sounds

Front 26

during normal breathing vocal cords are?

Back 26

relaxed

Front 27

What is the triangular slit (opening) between the vocal cords called?

Back 27

the glottis

Front 28

what closes the glottis when food is swallowed?

Back 28

the false vocal cords

Front 29

What prevents food from entering the trachea

Back 29

the glottis and false vocal cords

Front 30

Waht is a flexible cylindrical tube that extends downward snterior to the esophagus?

Back 30

Trachea

Front 31

what splits into the right and left bronchi?

Back 31

the trachea

Front 32

what lines the inner walls of the trachea

Back 32

ciliated mucous mebrane with many goblet cells

Front 33

what consits of branched airways leading fromthe trachea to the microscopic air sacs in the lungs?

Back 33

the bronchial tree

Front 34

bronchus divides into what?

Back 34

sencondary bronchi

Front 35

secondary bronchi divides into what

Back 35

tertiary bronchi

Front 36

tertiary bronchi divided into smaller and smaller tubes called what?

Back 36

bronchioles

Front 37

bronchioles divide to form what?

Back 37

alveolar ducts

Front 38

alveolar ducts lead to what?

Back 38

alveolar sacs

Front 39

alveolar sacs lead to what?

Back 39

alveoli

Front 40

what is surrounded by capillaries and carbon dioxide diffuses from the blood through the walls it?

Back 40

alveoli

Front 41

what are cone shaped organs in the thoracic cavity?

Back 41

lungs

Front 42

what is attached to the lungs?

Back 42

visceral pleura

Front 43

what lines the thoracic cavity?

Back 43

parietal pleura

Front 44

wht lubricates the pleural cavity?

Back 44

serous fluid

Front 45

serous fluid does what

Back 45

reduces friction between the two pleura

Front 46

How many lobes does the right lung have?

Back 46

3

Front 47

how many lobes does the left lung hae?

Back 47

2

Front 48

the movement of air from the outside of the body into the and out of the bronchial tree and alveoli is what?

Back 48

breathing or ventilation

Front 49

What is the force that moves air into the lungs?

Back 49

atmospheric pressure due to weight of air

Front 50

when does outside air pressure flow into the lungs?

Back 50

when pressure inside the lungs decrease

Front 51

how does air pressurinside the lungs decrease?

Back 51

by increasing the size of the thoracic cavity

Front 52

what is the function of
surfactant?

Back 52

it is secreted to reduce the aleoli tendencyto collapse.when lung volume is low

Front 53

where does the force for expiration come?

Back 53

from the elastic recokl of tissues and from surface tension

Front 54

what causes the thoracic cage and lungs to recoil and return to thier original shapes

Back 54

diaphragm and muscles relaxing following inspiration

Front 55

where are gases exchanged?

Back 55

alveoli

Front 56

what provides andentrancefor air in whichair is filtered?

Back 56

nose

Front 57

what is a common passagewayfor food and air?

Back 57

the Pharynx

Front 58

what aids in producing sounds for speach

Back 58

the pharynx

Front 59

what is superior to the trachea and inferior to the pharnyx

Back 59

the larynx

Front 60

what is the function of the lower vocal cords?

Back 60

sound production

Front 61

What closes the glotis when swallowing?

Back 61

the vocal cords and the epiglottis

Front 62

What is anterioar to the esophagus?

Back 62

the trachea

Front 63

What does the bronchial tree consist of ?

Back 63

branched tubes leading form the trachea to the lungs

Front 64

The bronchial tree begins with two primary what?

Back 64

bronchi

Front 65

where do the bronchi lead?

Back 65

to the lungs

Front 66

what are the smallest branches ofthe bronchial tree called?

Back 66

bronchiols

Front 67

what are the lungs seperated by?

Back 67

mediastinum

Front 68

what are the lungs enclosed by?

Back 68

diaphram

Front 69

what are theforces of exspirationdue to ?

Back 69

the elastic recoil of the lungs and muscle tissus and surface tension

Front 70

what are tiny sacs clustered at the distal endofthe aveola ducts?

Back 70

aveoli

Front 71

Gases diffues from areas ofwhat?

Back 71

high pressure to low pressure

Front 72

Which of the following organs is a part of the lower respiratory system?

Back 72

bronchi

Front 73

The function of nasal hairs is to

Back 73

prevent entry of large particles in inspired air

Front 74

The function of the paranasal sinuses is to

Back 74

reduce the weight of the skull act as resonant chambers that affect voice quality both

Front 75

Which of the following structures does not participate in the production of speech

Back 75

epiglottis

Front 76

The membrane that lines the thoracic cavity and forms the lateral walls of the mediastinum is the

Back 76

parietal pleura

Front 77

The pressure in the thoracic cavity

Back 77

is less than atmospheric pressure during inspiration

Front 78

The force responsible for normal expiration comes mainly from

Back 78

elastic recoil of tissues in the lung and thoracic wall

Front 79

The respiratory center responds to concentrations of

Back 79

carbon dioxide

Front 80

The inflation reflex is activated by

Back 80

stretch receptors in the bronchioles and alveoli

Front 81

The most abundant gas in room air is

Back 81

nitrogen

Front 82

Oxygen is transported in the blood

Back 82

dissolved in plasma combined with hemoglobin

Front 83

what found on the lateral wall of the nasal cavity, increase the surface area of nasal mucus membrane

Back 83

Nasal conchae,

Front 84

what adds moisture to inspired air

Back 84

Mucous membranes

Front 85

The what is a flap-like structure that closes the larynx

Back 85

epiglottis

Front 86

When the diaphragm contracts, the size of the thoracic cavity increases, and pressure within the cavity does what?

Back 86

decreases

Front 87

Attraction of the pleural membranes for each other helps maintain reduced pressure in the thorax compared to the atmosphere in what?

Back 87

in the thorax compared to the atmosphere