Final - Respiratory Sys Flashcards Preview

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Flashcards in Final - Respiratory Sys Deck (44):
1

The nasal cavity is formed by ...

ethmoid
maxilla
hard and soft palates

2

The nasal cavity is divided into what laterally into what?

Two nasal fosse by the nasal septum

3

These ridges which project from the ethmoid, divide each fossa into meatuses

Nasal conchae

4

The nasal cavity wall is covered by _____ ______ that cleanses the air as it passes through the cavity

mucous membrane

5

Nasal turbinates slow air flow for

humidifying and trapping the particulates

6

The upper respiratory stops at this

The Larynx

7

The Larynx is the top of what?

the lower respiratory system

8

another word for nostril

external nares

9

another word for internal nares

choanae

10

another word for the pharyngeal tonsil

adenoid

11

The pharynx connects the oral and nasal cavities with the

esophagus and larynx

12

The three parts of the pharynx are

nasopharynx
oropharynx
laryngopharynx

13

air and food/water cross paths here

the oropharynx

14

conducts air
has pseudostratified ciliated columnar epithelium

nasopharynx

15

-serves as the passageway for food and drink
-nonkeratinized stratified squamous epithelium

oropharynx / laryngopharynx

16

posterior to the nasal cavity

nasopharynx

17

posterior to the oral cavity

oropharynx

18

Extends from hyoid bone to beginning of esophagus

laryngopharynx

19

the larynx controls the passage of air into the

lower respiratory tract

20

The larynx opening is controlled by the

epiglottis

21

The larynx contains

vocal folds (true vocal cord)

22

name of this: ligaments covered by mucous membrane

folds

23

the trachea extends from the larynx to the

primary bronchi

24

the trachea is kept open by

C-shaped cartilage rings

25

What is made of hyaline cartilage in the respiratory system

-C-shaped tracheal rings
-laryngeal cartilages minus the epiglottis

26

The wall of the trachea contain several layers called

inner mucosa
submucosa
outer adventitia

27

The trachea is smaller than the larynx

false

28

why is the back of the trachea not cartilage?

to allow the esophagus to expand

29

The lungs lie in the thoracic cavity, on either side of the ______ and enclosed within the ____

mediastinum

pleurae

30

The root of the lung includes the

primary bronchus
pulmonary artery / vein

31

The primary bronchus and primary artery / vein pass through the..

pulmonary hilum

32

The parietal layer of the lung is attached to the

bone

33

the visceral layer of the lung is attached to the

lung

34

There's a partial ____ in the pleural cavity

vacuum

35

What is on the left lung that's not on the right?

the cardiac notch

36

What's on the right lung that's not on the left?

Horizontal fissure
middle lobe

37

The pulmonary tree consists of a conducting division, though which ____ _____, and a respiratory division, where ____ _______ occurs

gas travels

gas exchange

38

The conducting division of the lung consists of _____ and successively branching ________

bronchi

bronchioles

39

The ultimate branches in the conducting division are...

terminal bronchioles

40

The respiratory division consists of

respiratory bronchioles
alveolar ducts
alveolar sacs

41

The alveoli are separated from one another by

interalveolar septa

42

septal cells secrete ____, which reduces the collapse of ____

surfactant

alveoli

43

Diffusion is down a ______ ______

concentration gradient

44

Alveoli have no _____ and no _____ muscle

cartilage
smooth