Chap 4 - Respiratory Vocabulary

Question 0

Tubular air passageway that branches off the trachea to the other or left and enters each lung. It carries inhaled and exhaled air to and from the bronchioles.

Answer 0

Bronchus

Question 1

Rounded top of each lung

Answer 1

Apex

Question 2

What nerve gives impulses that cause the diaphragm to move up and down?

Answer 2

Phrenic nerve

Question 3

Pertaining to a normal rate and rhythm of breathing

Answer 3

Eupneic (eupnea)

Question 4

Indentation on the medial side of each lung where the bronchus, pulmonary artery, and nerves enter the lung and the pulmonary vein exits.

Answer 4

Hilum

Question 5

Central opening through which air flows inside he trachea, bronchus, or bronchiole.

Answer 5

Lumen

Question 6

Smaller cavity within the thoracic cavity that contains the trachea and other structures not related to the respiratory system.

Answer 6

Mediastinum

Question 7

Compound that transports oxygen in the blood and is formed by the combination of oxygen with the hemoglobin of red blood cells.

Answer 7

Oxyhemoglobin

Question 8

Functional part of the lung (like alveoli) as opposed to the connective tissue framework.

Answer 8

Parenchyma

Question 9

Protein-fat compound that creates surface tension and keeps the walls of the alveolus from collapsing inward with each inhalation.

Answer 9

Surfactant