Definitions Part II

Question 1

Epiglottis

Answer 1

Elastic cartilage at the back of the throat which covers the glottis during swallowing

Question 2

Thyroid cartilage

Answer 2

Cartilage that sits in front of the larynx and above the thyroid gland

Question 3

Vocal folds

Answer 3

Mucous membrane of the larynx; true vocal cords

Question 4

Glottis

Answer 4

The opening between the vocal chords and the larynx; vocal folds and slit-like passages between them

Question 5

Trachea

Answer 5

Windpipe; respiratory tube extending from the larynx to the bronchi

Question 6

Hyaline cartilage

Answer 6

Cartilage connective tissue containing collagen fibers

Question 7

Heimlich maneuver

Answer 7

Procedure in which the air in a person’s own lungs is used to expel an obstructing piece of food

Question 8

Main (primary) bronchi

Answer 8

Airway in the respiratory tract that conducts air into the lungs

Question 9

Lungs

Answer 9

Organs of the respiratory system responsible for gas exchange with the outside and gas exchange with blood

Question 10

Mediastinum

Answer 10

The region of the thoracic cavity between the lungs that houses the heart

Question 11

Apex

Answer 11

Narrow superior portion of each lung

Question 12

Base

Answer 12

Broad inferior area of each lung resting on the diaphragm

Question 13

Pulmonary pleura

Answer 13

Visceral serosa or covering on the surface of each lung; visceral pleura

Question 14

Parietal pleura

Answer 14

Serous membrane layer covering the cavity in which the lung resides (thoracic cavity)

Question 15

Pleural space

Answer 15

Potential space between the lungs and the thorax wall

Question 16

Pleurisy

Answer 16

Inflammation of the pleurae

Question 17

Bronchioles

Answer 17

Smallest, air-conducting passageways in the lungs

Question 18

Alveoli

Answer 18

Air sacs

Question 19

Respiratory zone

Answer 19

Part of the lung that leads into the alveoli and is involved in gas exchange

Question 20

Conducting zone structures

Answer 20

Conduits to and from the respiratory zone

Question 21

Respiratory membrane (air-blood barrier)

Answer 21

Membrane composed of the alveolar wall, the capillary wall, and their basement membranes → gases must cross this membrane for proper exchange to occur

Question 22

Alveoli macrophages

Answer 22

Type of macrophage found in the pulmonary alveolus