LAB 50

Question 1

microscopic air sac for gas exchange

Answer 1

Alveolus

Question 2

complete ring of hyaline cartilage of inferior larynx

Answer 2

Cricoid Cartilage

Question 3

partially covers opening of larynx during swallowing

Answer 3

Epiglottis

Question 4

vocal folds, including the opening between them

Answer 4

Glottis

Question 5

location of external respiration between alveoli and blood capillaries

Answer 5

Lung

Question 6

increases surface area of nasal mucous membrane

Answer 6

Nasal Concha

Question 7

passageway for air and food

Answer 7

Pharynx

Question 8

potential space between visceral and parietal pleurae

Answer 8

Pleural cavity

Question 9

air-filled space in skull bone that opens into nasal cavity

Answer 9

Sinus

Question 10

fold of mucous membrane containing elastic fibers responsible for sounds

Answer 10

Vocal fold (True Vocal Cord)

Question 11

the exchange of oxygen and carbon dioxide in the lungs

Answer 11

External respiration

Question 12

the exchange of oxygen and carbon dioxide in the tissues

Answer 12

Internal respiration

Question 13

secrete protective mucus that catches dust and potential pathogens

Answer 13

Goblet cells

Question 14

creates a current of mucus that moves any entrapped debris toward the pharynx, which helps prevent respiratory infections

Answer 14

Cilia

Question 15

represents an area where a bronchus and major blood vessels are located

Answer 15

Hilum

Question 16

adheres to the surface of each lung, including the fissures between the lobes

Answer 16

Visceral Pleura

Question 17

covers the internal surface of the thoracic wall and the superior surface of the diaphragm

Answer 17

Parietal Pleura

Question 18

airway enlargement superior to trachea

Answer 18

Larynx

Question 19

windpipe anterior to esophagus

Answer 19

Trachea

Question 20

branched airways extending throughout lungs

Answer 20

Bronchial tree

Question 21

smaller branches of airways

Answer 21

Bronchioles

Question 22

largest hyaline cartilage of larynx; covered by part of thyroid gland; more pronounced in males

Answer 22

Thyroid Cartilage (Adam’s Apple)

Question 23

The right lung has __ lobes: the left lung has __ lobes

Answer 23

3,2

Question 24

The alveoli are composed of

Answer 24

simple squamous epithelium

Question 25

The ____ adheres to the surface of the lung

Answer 25

visceral pleura

Question 26

The __ is the most inferior cartilage of the larynx

Answer 26

cricoid cartilage

Question 27

Which of the following structures increases the surface area and air turbulence the most during breathing?

Answer 27

nasal conchae

Question 28

Which of the following airway tubes would have the smallest lumens?

Answer 28

alveolar ducts