Exam 4

Question 1

Ventilation

Answer 1

respiratory center

Question 2

intrapleural pressure

Answer 2

sightly negative pressure to create suction between visceral and parietal pleura

Question 3

intrapulmonary pressure

Answer 3

wants to equalize pressure with atmosphere

Question 4

tidal volume

Answer 4

amount of air inspired and expired with each breath (about 500mL)
increases with exercise

Question 5

pulmonary compliance

Answer 5

elasticity of the lung

Question 6

atelectasis

Answer 6

collapse of a portion of lung

Question 7

hemoglobin

Answer 7

most 97% of O2 loosely combined with this and carried to cells

Question 8

cardiac output, hematocrit and exercise

Answer 8

what is gas transport affected by?

Question 9

Kussmaul breathing

Answer 9

fruity acetone breath

Question 10

cheyne stokes

Answer 10

stop patterns in breathing

Question 11

biots

Answer 11

irregular breathing

Question 12

hypoxia

Answer 12

insfficient O2 to tissues anywhere in the body

Question 13

hypoxia clinical signs

Answer 13

increased pulse, rapid shallow breaths, flaring of nostrils, intercostal retractions, cyanosis

Question 14

orthopnea

Answer 14

inability to breathe except in upright position

Question 15

emphysema

Answer 15

destruction of alveoli - CO2 retention

Question 16

bronchitis

Answer 16

cyanosis, clubbing of fingers

Question 17

asthma

Answer 17

reversible airflow obstruction / airway inflammaition

Question 18

7.35-7.45

Answer 18

PH

Question 19

80-100

Answer 19

PO2

Question 20

35-45

Answer 20

PC02

Question 21

22-28

Answer 21

HC03

Question 22

deep breathing and coughing, hydration

Answer 22

what promotes good oxygenation