Ap2, Chap 23, Respiratory

Front 1

nose, nasal cavity, paranasal sinuses, pharynx

Back 1

upper respiratory

Front 2

function of upper respiratory (inhale)

Back 2

filter, warm, humidify incomming air

Front 3

function of upper respiratory components

Back 3

protect delicate structures of lower respiratory

Front 4

function of upper respiratory (exhale)

Back 4

cool, dehumidify outgoing air

Front 5

pirmary passageway for entering the respiratory system

Back 5

nose

Front 6

air enters through

Back 6

paired external nares, or nostrils

Front 7

where do nostrils lead to?

Back 7

opening up into the nasal cavity

Front 8

space within the flexible tissues of the nose

Back 8

vestibule

Front 9

vestibule epithelium

Back 9

contain course hairs, extending across nares

Front 10

prevente sand, airborne particals, and insects from entering the nose

Back 10

course hairs on vestibular epithelium

Front 11

made up portions of hte maxillary adn palatine bones

Back 11

hard palate

Front 12

floor of nasal cavity

Back 12

hard palate

Front 13

separates nasal cavity and oral cavity

Back 13

hard palate

Front 14

chamber shared by digestive and respiratory

Back 14

pharynx

Front 15

tissue on laryngopharynx and oropharynx

Back 15

stratified squamous epithelium

Front 16

stratified, squamous epithelium

Back 16

resists abrasion, chemical attack, and invasions by pathogens

Front 17

where inhaled air leaves pharynx and enters larynx

Back 17

glottis

Front 18

cartilaginous structure that surrounds and protects glottis

Back 18

larynx

Front 19

unpaired cartilages that form larynx (3)

Back 19

1- thyroid cartilage
2- cricoid cartilage
3- epiglottis

Front 20

largest laryngeal cartilage

Back 20

thyroid cartilage

Front 21

consists of hyline cartliage

Back 21

thyroid cartilage

Front 22

forms anterior and lateral walls of the larynx

Back 22

thyroid cartilage

Front 23

what happens during swallowing?

Back 23

larynx elevates, epiglottis folds back over glottis (prevents food from entering)

Front 24

cartilages of Larynx (3)

Back 24

1- arytenoid
2- corniculate
3- cuneiform

Front 25

cartilage articulate with superior border of enlarged portion of cricoid cartilage

Back 25

arytenoid

Front 26

articulate iwth arytenoid cartilages

Back 26

corniculate

Front 27

opening and closing of the glottis, and production of sound

Back 27

arytenoid and corniculate

Front 28

involved in the production of cound

Back 28

vocal folds a.k.a. vocal cords

Front 29

the trachea braches with the _____

Back 29

mediastinum

Front 30

trachea branching to the mediastinum gives rise to the _____ and _____

Back 30

Right pulmonary bronchi and left pulmonary bronchi

Front 31

divides the lungs into pulmonary lobules

Back 31

interlobular septa

Front 32

simple squamous epithelium

Back 32

alveolar epithelium

Front 33

Type I cells

Back 33

simple squamous epithelium, thin and delicate

Front 34

alveolar ducts

Back 34

thin, delicate, air bubbles

Front 35

what causes the alveolar walls not to collapse?

Back 35

surfactant- without it, the walls would collapse

Front 36

physical movement of air into and out of the lungs

Back 36

pulmonary ventilation; breathing

Front 37

normal intestinal fluids PO2?

Back 37

40 mm Hg

Front 38

blood entering the systemic circuits PO2?

Back 38

40 mm Hg

Front 39

oxygen molecules bind to ___

Back 39

hemoglobin (Hb) molecules (Fe)

Front 40

where are Fe ions

Back 40

at centers of Hb units

Front 41

important regulator of respiration

Back 41

CO2

Front 42

increase of arterial blood

Back 42

hypercapnia

Front 43

prevents overexpansion of lungs during forced breathing

Back 43

inflation reflex

Front 44

location of strech receptors for inflation reflex

Back 44

smooth muscle tissues around bronchioles

Front 45

inflation reflex stimulated by _____ ______

Back 45

lung expanion

Front 46

inhibits expiratory centers, stimulates inspiratory centers, when lungs deflate

Back 46

deflating reflex