Vocabulary

Question 0

Alveolus (plural: alveoli)

Answer 0

Air sac in the lung

Question 1

Adenoids

Answer 1

Lymphatic tissue in the nasopharynx; pharyngeal tonsils

Question 2

Apex of the lung

Answer 2

Tip or uppermost portion of the lung. An apex is the tip of a structure. Apical means pertaining to or located at the apex. The apex of the heart is at the bottom of the heart.

Question 3

Base of the lung

Answer 3

Lower portion of the lung, basilar means located at or in the base

Question 4

Bronchioles

Answer 4

Smallest branch of the bronchi. Terminal bronchioles lead to alveolar ducts

Question 5

Bronchus (plural: bronchi)

Answer 5

Branch of the trachea(windpipe) that is a passageway into the lung: bronchial tube

Question 6

Carbon dioxide

Answer 6

Gas produced by body cells when oxygen and carbon atoms from food combine; exhaled though the lungs

Question 7

Cilia

Answer 7

Thin hairs attached to the mucous membrane epithelium lining the respiratory tract. They clear bacteria and foreign substances from the lung, cigarette smoking impairs the function of cilia

Question 8

Diaphragm

Answer 8

Muscle separating the chest and abdomen. It contracts to pull air into the lungs and releases to push air out

Question 9

Epiglottis

Answer 9

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

Question 10

Expiration

Answer 10

Breathing out (exhalation)

Question 11

Glottis

Answer 11

Slit like opening to the larynx

Question 12

Hilum of the lung

Answer 12

Midline region where the bronchi, blood vessels and nerves enter and exit the lungs. Hilar means pertaining to (at) the hilum

Question 13

Inspiration

Answer 13

Breathing in (inhalation)

Question 14

Larynx

Answer 14

Voice box; containing the vocal cords

Question 15

Lobe

Answer 15

Division of the lung

Question 16

Mediastinum

Answer 16

Region between the lungs in the chest cavity. It contains the trachea, heart, lymph nodes, aorta, esophagus, and bronchial tubes

Question 17

Nares

Answer 17

Openings through the nose carrying air into the nasal cavities

Question 18

Oxygen

Answer 18

Gas that makes up 21 percent of the air. It passes into the bloodstream at the lungs and travels to all body cells

Question 19

Palatine tonsil

Answer 19

One of a pair of almond-shaped masses of lymphatic tissue in the oropharynx (palatine means pertaining to the roof of the mouth)

Question 20

Paranasal sinus

Answer 20

One of the air cavities in the bones near the nose

Question 21

Parietal pleura

Answer 21

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

Question 22

Pharynx

Answer 22

Throat; including the nasopharynx, oropharynx, laryngopharynx

Question 23

Pleura

Answer 23

Doubled-layered membrane surrounding each lung

Question 24

Pleural cavity

Answer 24

Space between the folds of the pleura

Question 25

Pulmonary parenchyma

Answer 25

Essential part of the lung, responsible for respiration; bronchioles and alveoli

Question 26

Respiration

Answer 26

Process of moving air into and out of the lungs; breathing

Question 27

Trachea

Answer 27

Windpipe

Question 28

Visceral pleura

Answer 28

Inner layer of the pleura lying closer to the lung tissue