Chapter 11 Vocab Quiz

Question 1

Alveolar sacs

Answer 1

like a cluster of grapes at the end of alveolar ducts

Question 2

Alveoli

Answer 2

microscopic sac-like dilutions of terminal bronchioles

Question 3

Surfactant

Answer 3

reduced surface tension and prevents alveoli from collapsing

Question 4

pleura

Answer 4

serous membrane in thoracic cavity

Question 5

pneumothrax

Answer 5

accumulation of air in the pleural space, causing collapse of lung

Question 6

external respiration

Answer 6

exchange of gases between air in the lungs and in the blood

Question 7

internal respiration

Answer 7

the exchange of gasses between the body cells and the blood

Question 8

diaphragm

Answer 8

the musculomembranous partition separating the abdominal and thoracic cavitites and serving as a major muscle aiding inhalation

Question 9

Oxyhemoglobin

Answer 9

hemoglobin that contains bound O2 a compound formed from hemoglobin on exposure to alveolar gas in the lungs

Question 10

carbaminohemoglobin

Answer 10

a combination of carbon dioxide and hemoglobin, CO2HHb, belong on eof the forms in which carbon dioxide exists in the blood

Question 11

tidal volume (TV)

Answer 11

the volume of air inspired or expired in a single breath during regular breathing

Question 12

spirometer

Answer 12

an instrument for measuring the air taken into and exhaled by the lungs

Question 13

Vital capacity

Answer 13

The amount of air that can be foricibly expelled from the lungs following breathing in as deeply as possible

Question 14

expiratory reserve volume

Answer 14

the maximal volume of air, usually about 1000 milliliters that can be expelled form the lungs after normal expiration

Question 15

Inspiratory reserve volume

Answer 15

the maximal volume of air that can be inhaled after a normal inspiration

Question 16

residual volume

Answer 16

the volume of air remaining in the lungs after a maximal expiratory effort

Question 17

chemo receptors

Answer 17

cells, or groups of cell membrane molecules, which initiate nerve action potentials

Question 18

eupnea

Answer 18

normal respiration

Question 19

hyperventilation

Answer 19

abnormally fast or deep respiration resulting in the loss of carbon dioxide rom the blood, therby causing a decrease in blood pressure and sometimes fainting

Question 20

hypo ventilation

Answer 20

reduction in amount of air entering pulmonary alveoli

Question 21

dyspnea

Answer 21

labored breathing or difficult breathing

Question 22

apnea

Answer 22

cessation of breathing

Question 23

olfaction

Answer 23

sense of smell

Question 24

diffusion

Answer 24

spreading, scattering of dissolved particles

Question 25

respiratory membrane

Answer 25

sinkage layer that makes up walls of alveoli

Question 26

upper respiratory tract

Answer 26

division of the respiratory tract outside the thorax that is composed of the nose, pharynx and larynx

Question 27

lower respiratory tract

Answer 27

division of the respiratory tract within the thorax and is composed of the trachea, all of the bronchial tree and lungs

Question 28

respiratory mucosa

Answer 28

mucus covered membrane that lines the tube of the respiratory tract

Question 29

external nares

Answer 29

nostils

Question 30

paranasal sinuses

Answer 30

fou rpairs of sinuses that have opening the nose

Question 31

lacrimal sacs

Answer 31

pouches that collect tears form the eyes and drain them torwards the nose

Question 32

conchae

Answer 32

shell shaped structures, body projections into the nasal cavity

Question 33

pharynx

Answer 33

organ of the digestive and respiratory system commonly called the throat

Question 34

nasopharynx

Answer 34

the upperomost portion of the tube right behind the nasal cavity

Question 35

oropharynx

Answer 35

portion of the pharynx located behind the mouth

Question 36

larygopharynx

Answer 36

lowest part of the pharynx

Question 37

larynx

Answer 37

voice box

Question 38

glottis

Answer 38

space between vocal cords

Question 39

epiglottis

Answer 39

lid like cartilage over hanging entrance cartilage

Question 40

trachea

Answer 40

windpipe, extends from larynx to bronchi

Question 41

primary bronchi

Answer 41

first branches of the trachea

Question 42

secondary bronchi

Answer 42

smaller bronchial branches, divisions of primary bronchi

Question 43

bronchioles

Answer 43

small branches of bronchus

Question 44

alveolar ducts

Answer 44

airway that branches from smallest bronchioles, alveoli sacs arise from these