Exam 3 Respiration System

Question 0

external respiration

Answer 0

exchange of gases between lungs and blood

Question 1

diffusion

Answer 1

only works over short distance

Question 2

ventilation

Answer 2

is the exchange of air between the lungs and environment.

Question 3

internal respiration

Answer 3

exchange gases between body’s cell and blood

Question 4

larynx

Answer 4

air passage between the lower pharynx and the trachea that houses the vocal folds

Question 5

esophagus

Answer 5

the musculomembranous passage extending from the pharynx to the stomach

Question 6

bronchus

Answer 6

either of the two main branches of the trachea which contain cartilage in their walls.

Question 7

bronchioles

Answer 7

are very fine thin walled tubular extensions of a bronchus

Question 8

alveoli

Answer 8

are tiny thin walled capillary rich sacs in the lungs where the exchange of oxygen and CO2 take place.

Question 9

conducting airways

Answer 9

both the upper and lower airways considered together

Question 10

parietal pleura

Answer 10

serous membrane that lines the different parts of the wall of the pulmonary artery and is the outer layer of the pleura

Question 11

visceral pleura

Answer 11

opposed the parietal pleura which causes a negative pressure within the space and forces the lungs to expand

Question 12

pleural cavity

Answer 12

the space between the parietal and visceral pleura

Question 13

thoracic wall

Answer 13

the boundary of the thoracic cavity

Question 14

pleurisy

Answer 14

is the inflammation of the pleura which causes the layers to rub against each other.

Question 15

intrapleural pressure

Answer 15

pressure within the pleural cavity, when it is greater than atmospheric it collapses lung

Question 16

pneumothorax

Answer 16

abnormal collection of air or gas in the pleural space.

Question 17

atelectasis

Answer 17

collapsing of lung tissue

Question 18

pores of kohn

Answer 18

pores adjacent to alveoli and prevents them from collapsing