Respiratory System Ch. 23

Question 1

Functions of the respiratory system include:

Answer 1

Gas Exchange
Speech
Olfaction (smell)
Control of pH in body
Aids in regulation of blood pressure (angiotensin II production)
Creates pressure gradients for flow of lymph and venous blood
Defecation

Question 2

Divisions of respiratory system

Answer 2

Conducting and Respiratory divisions

Question 3

Conducting division includes

Answer 3

passages for air flow (without exchange of gases)

Question 4

Respiratory division includes

Answer 4

gas exchange areas

Question 5

Upper Respiratory Tract includes

Answer 5

nose through the larynx

Question 6

Lower Respiratory Tract includes

Answer 6

trachea through lungs

Question 7

What are sinuses?

Answer 7

Air-filled spaces in the maxillary, frontal, ethmoid, and sphenoid bones of the skull.
Mucous membrane lining is continuous with the lining of the nasal cavity.

Question 8

The sinuses reduce the weight of …?

Answer 8

The skull and serve as voice resonant chambers

Question 9

What does the nose do?

Answer 9

Warms, humidifies, and cleanses air; detects odors; resonates voice

Question 10

The nose is externally shaped by what?

Answer 10

nasal bones and alar and lateral cartilages

Question 11

The vestibule…

Answer 11

chamber just inside of the nostril

Question 12

Nasal Septum

Answer 12

septal cartilage, vomer, perpendicular plate of ethmoid bone

Question 13

Pharynx has how many divisions?

Answer 13

3, pharynx is the throat

Question 14

Where is the Nasopharynx?

Answer 14

Posterior to choanae and soft palate

Question 15

Where is the pharyngeal tonsil?

Answer 15

Nasopharynx

Question 16

What are the three divisions of the throat?

Answer 16

Nasopharynx, Oropharynx, Laryngopharynx

Question 17

Where is the Oropharynx?

Answer 17

Posterior to the root of the tongue

Question 18

Where is the Laryngopharynx?

Answer 18

From the tip of the epiglottis to the esophagus

Question 19

Which division(s) of the throat have stratified squamous epithelium?

Answer 19

Oropharynx and Laryngopharynx

Question 20

Other name for the larynx

Answer 20

voice box

Question 21

What is the main function of the larynx?

Answer 21

Keeps food out of the airway with the epiglottis

Houses vocal cords and vestibular folds

Question 22

The trachea is…

Answer 22

windpipe; the tube lysing anterior to the esophagus

Question 23

What is on the outside of the trachea?

Answer 23

C-shaped rings of hyaline cartilage

Question 24

The trachealis is…

Answer 24

smooth muscle on the posterior aspect of the trachea

Question 25

The carina is…

Answer 25

the internal median ridge on the lowest tracheal cartilage

Question 26

What does the trachea branch into?

Answer 26

Two main bronchi

Question 27

What is the inner lining of the tracheal wall made up of?

Answer 27

Pseudostratified epithelium, Goblet cells (mucus), ciliated cells, basal stem cells, mucocilary escalator

Question 28

Adventitia is…

Answer 28

Outermost connective tissue connecting trachea to neighboring organs

Question 29

Main (primary) bronchi

Answer 29

Right main bronchus is wider and more vertical than the left

Question 30

Secondary (lobar) bronchi

Answer 30

Five total - one for each lobe

Question 31

Segmental (tertiary) bronchi

Answer 31

serves bronchopulmonary segments (10 in right lung, 8 in left)