M3C Respiratory Vocab

Question 1

adenoids

Answer 1

lymphatic tissue in the nasopharynx; pharyngeal tonsils

Question 2

alveolus (pl: alveoli)

Answer 2

air sac in the lung

Question 3

apex of the lung (apical)

Answer 3

tip or uppermost position of the lung

Question 4

base of the lung (basilar)

Answer 4

lower portion of the lung

Question 5

bronchioles

Answer 5

smallest branches of the bronchi

Question 6

bronchus

Answer 6

branch of the trachea that is a passageway into the lung

Question 7

carbon dioxide

Answer 7

gas produced by body cells when oxygen and carbon from food combine; exhaled through the lungs

Question 8

cilia

Answer 8

thin hairs attached to the mucous membrane epithelium lining the respiratory tract

clear bacteria and foreign substances from the lung

Question 9

diaphragm

Answer 9

muscle separating the chest and abdomen

Question 10

epiglottis

Answer 10

lid-like piece of cartilage that covers the larynx, preventing food from entering the larynx and trachea during swallowing

Question 11

exhalation

Answer 11

breathing out

Question 12

glottis

Answer 12

slit-like opening to the larynx

Question 13

hilum of the lung (hilar)

Answer 13

midline region where the bronchi, blood vessels, and nerves enter and exit the lungs

Question 14

inhalation

Answer 14

breathing in

Question 15

larynx

Answer 15

voice box

Question 16

lobe

Answer 16

division of a lung

Question 17

mediastinum

Answer 17

region between the lungs in the chest cavity

Question 18

nares

Answer 18

openings through the nose carrying air into the nasal cavities

Question 19

oxygen

Answer 19

gas that makes up 21 percent of the air that we breathe

Question 20

palatine tonsil

Answer 20

one of a pair of almond-shaped masses of lymphatic tissue in the oropharynx

Question 21

paranasal sinus

Answer 21

one of the air cavities in the bones near the nose

Question 22

parietal pleura

Answer 22

outer layer of pleura lying closer to the ribs and chest wall

Question 23

pharynx

Answer 23

throat; including the nasopharynx, oropharynx, and laryngopharynx

Question 24

pleura

Answer 24

double-layered membrane surrounding each lung

Question 25

pleural cavity

Answer 25

space between the layers of the pleura

Question 26

pulmonary parenchyma

Answer 26

essential parts of the lung, responsible for respiration; bronchioles and alveoli

Question 27

respiration

Answer 27

exchange of gases at the lung capillaries and at the tissue capillaries

Question 28

trachea

Answer 28

windpipe

Question 29

visceral pleura

Answer 29

inner layer of pleura lying closer to the lung tissue