Resp wk 2

Question 1

During inspiration alveolar pressure is ____ than atmosphere

Answer 1

lower(sub-atmosheric)

Question 2

During expiration pressure in alveoli is _____ than atmosphere.

Answer 2

higher

Question 3

Air flows from _____ to ______ pressures (pressure gradient)

Answer 3

higher, lower

Question 4

changes in alveolar pressure are generated by changes in

Answer 4

pleural pressure

Question 5

During contraction of diaphragm, Abdominal contents forced_____ and ______ causing ________ in vertical dimension of chest cavity.

Answer 5

Downward, forward, increase

Question 6

During contraction of diaphragm, rib margins are ______ and ______ outward causing ______ in the transverse diameter of thorax.

Answer 6

lifted, moved, increase

Question 7

Intra-abdominal pressure situations that reduce Functional Residual Capacity

Answer 7

Pregnancy, obseity, bowel obstruction, laparoscopic surgery, ascites, abdominal mass, hepatomegaly, trendelenburg position, valsalva maneuver

Question 8

Transpulmonary pressure in children is

Answer 8

more profound, children need some type of PEEP

Question 9

FRC=equation

Answer 9

ERV(expiratory reserve volume) + RV(residual volume)

Question 10

TLC=

Answer 10

IRV+TV+ERV+RV

Question 11

FRC=amount

Answer 11

2.5L

Question 12

DPPC

Answer 12

Dipalmitoyl phosphatidyl choline

Question 13

Minute ventilation average

Answer 13

6L/min