Mod 6: ventilation/ gas exchange

Question 1

minute ventilation

Answer 1

rr x volume air per breath

Question 2

alveolar ventilation measured by

Answer 2

paco2

Question 3

receptors triggered to ^ventilation when

Answer 3

pao2<60

Question 4

labored breathing-elastic recoil not enough=

Answer 4

accessory muscles assist with exhalation

Question 5

compliance determined by
^compliance=loss of
vCompliance seen w

Answer 5

alveolar surface tension and elastic recoil
elastic recoil (copd)
resp distress

Question 6

zone 1
zone 2
zone 3

Answer 6

alevolar pressure> Xbloodflow
alveolar pressurevenous
alveolar pressure

Question 7

Vq -perfusion exceeds ventilation
low
high

Answer 7

normal 0.8
low- ventilation issue
high- perfusion issue

Question 8

compensatory mechanism for impaired gas exchange= ___hgb

Answer 8

^hgb to increase blood o2 content

Question 9

Co2 diffusion from blood to alveoli enhanced by

Answer 9

o2 from alveoli to blood

Question 10

surfactant produced ____ weeks, secreted at____

Answer 10

20-24

30

Question 11

premature = ___compliance

Answer 11

increased

Question 12

young children display ___ breathing

Answer 12

diaphragmatic breathing (belly)

Question 13

infants have fatigue and lactic acidosis quickly d/t

Answer 13

vGlycogen stores, vEffective accessory muscles