Respiratory System

Question 1

Function of Respiratory System

Answer 1

1. Regulation of blood pH
2. Voice production
3. Olfaction
4. Innate immunity

Question 2

divided into upper and lower respiratory tract

Answer 2

Respiratory System

Question 3

it includes the external nose, nasal cavity, pharynx and associated structure

Answer 3

Upper Respiratory tract

Question 4

includes the larynx, trachea, bronchi, and lungs

Answer 4

Lower respiratory tract

Question 5

consists of the external nose and the nasal cavity

Answer 5

nose

Question 6

visible structure that forms a prominent structure of the face.

Answer 6

external nose

Question 7

external openings of the nose

Answer 7

nares or nostrils

Question 8

openings into the pharynx

Answer 8

choanae

Question 9

extends from the nares to the choanae

Answer 9

nasal cavity

Question 10

partition dividing the nasal cavity into right & left parts

Answer 10

nasal septum

Question 11

occurs when the septum bulges to one side

Answer 11

deviated nasal septum

Question 12

forms the floor of the nasal cavity, separating the nasal cavity from the oral cavity

Answer 12

hard palate

Question 13

3 prominent bony ridges, are present on the lateral walls on each side of the nasal cavity

Answer 13

conchae

Question 14

air-filled spaces within bone, open into the nasal cavity and are lined with a mucous membrane

Answer 14

paranasal sinuses

Question 15

carry tears from the eyes, also open into the nasal cavity

Answer 15

nasolacrimal ducts

Question 16

dislodges foreign substances from the nasal cavity

Answer 16

sneeze reflex

Question 17

stimulated by exposure to bright light

Answer 17

photic sneeze reflex

Question 18

common passageway for both the respiratory and the digestive systems

Answer 18

pharynx

Question 19

superior part of the pharynx

Answer 19

nasopharynx

Question 20

which is an incomplete muscle and connective tissue partition separating the nasopharynx from the oropharynx, forms the floor of the nasopharynx

Answer 20

soft palate

Question 21

posterior extension of the soft palate

Answer 21

uvula

Question 22

posterior part of the nasopharynx, helps defend the body against infection

Answer 22

pharyngeal tonsil

Question 23

extends from the uvula to the epiglottis, and the oral cavity opens into the oropharynx, lined with stratified squamous epithelium

Answer 23

oropharynx

Question 24

located in the lateral walls near the border of the oral cavity and the oropharynx

Answer 24

palatine tonsils

Question 25

located on the surface of the posterior part of the tongue

Answer 25

lingual tonsil

Question 26

passes posterior to the larynx and extends from the tip of the epiglottis to the esophagus

Answer 26

laryngopharynx

Question 27

located in the anterior throat and extends from the base of the tongue to the trachea, passageway for air between the pharynx and the trachea

Answer 27

larynx

Question 28

largest cartilage, attached superiorly to the hyoid bone

Answer 28

thyroid cartilage

Question 29

most inferior cartilage of the larynx, forms the base of the larynx on which the other cartilages rest

Answer 29

cricoid cartilage

Question 30

third unpaired cartilage, it consists of elastic cartilage rather than hyaline cartilage

Answer 30

epiglottis

Question 31

top cartilage on each side

Answer 31

cuneiform cartilage

Question 32

middle cartilage

Answer 32

corniculate

Question 33

bottom cartilage

Answer 33

arytenoid cartilage

Question 34

false vocal chords, superior forms the

Answer 34

vestibular folds

Question 35

inferior pair composes the

Answer 35

vocal folds, true vocal cords

Question 36

inflammation of the mucous epithelium of the vocal fokds

Answer 36

laryngitis

Question 37

membranous tube attached to the larynx, consists of connective tissue and smooth muscle

Answer 37

trachea or windpipe

Question 38

1.4-1.6 cm in diameter and about 10-11 cm long

Answer 38

adult trachea

Question 39

dislodges foreign substances from the trachea

Answer 39

cough reflex

Question 40

trachea is lined with what

Answer 40

pseudostratified columnar epithelium which contains numerous cilia and goblet cells

Question 41

connects to a lung

Answer 41

main or primary bronchi

Question 42

principal organs of respiration

Answer 42

lungs

Question 43

superior, middle and inferior lobes

Answer 43

lobes

Question 44

each lobes is divided into

Answer 44

bronchopulmonary segments

Question 45

main bronchi branch many times forms the

Answer 45

tracheobronchial trees

Question 46

conduct air to each obe

Answer 46

lobar bronchi

Question 47

extend to the bronchopulmonary segments of the lungs

Answer 47

segmental bronchi

Question 48

long,branching hallways with many open doorways

Answer 48

alveolar ducts

Question 49

small air sacs

Answer 49

alveoli

Question 50

chambers connected to two or more alveoli

Answer 50

alveolar sacs

Question 51

where gas exchange between the air and blood takes place, very thin to facilitate the diffusion of gases

Answer 51

respiratory membrane