Lungs,Breathing

Question 1

alveoli

Answer 1

functional units of the lung, gases are exchanged through the walls of the alveoli


Question 2

functional residual capacity

Answer 2

volume of air remaining in the lungs at the end of a normal expiration

Question 3

hyperpnea (and hyperventilation)

Answer 3

increased lung ventilation


Question 4

pneumothorax

Answer 4

collapse of the lung due to a puncture that penetrates the pleural cavity

Question 5

residual volume

Answer 5

volume of air left in the lungs after maximal expiratory effort

Question 6

spirometer

Answer 6

device to measure lung volumes and aspects of breathing

Question 7

trachea

Answer 7

large respiratory passageway connecting the pharynx with the bronchi of the vertebrate lung

Question 8

Valsalva’s maneuver

Answer 8

sustained expirational effort against a closed glottis


Question 9

ventilation

Answer 9

air exchange between the lungs and the ambient air


Question 10

vital capacity

Answer 10

the maximum volume of air that can be inhaled to or exhaled from the lungs

Question 11

apnea

Answer 11

a suspension or absence of breathing


Question 12

dyspnea

Answer 12

labored, difficult breathing


Question 13

eupnea

Answer 13

normal breathing


Question 14

polypnea

Answer 14

rapid breathing

Question 15

respiratory cardiac arrhythmia

Answer 15

changes in the sinus rhythm caused by breathing


Question 16

bronchiole

Answer 16

part of the airways containing no cartilage

Question 17

tidal volume

Answer 17

volume of air moved during a relaxed inspiration or expiration


Question 18

expirational reserve volume

Answer 18

additional volume that can be expired at the end of a normal expiration

Question 19

inspirational reserve volume

Answer 19

additional volume that can be inspired at the end of a normal inspiration