What is the optimal treatment of intrapulmonary shunt? a. ...

[saliriagwu]

What is the optimal treatment of intrapulmonary shunt?
 
  a. Increase the FiO2.
  b. Decrease the FiO2.
  c. Surgery.
  d. Alveolar recruitment.

Question 2

What is the normal P(Aa)O2 range while breathing room air?
 
  a. 25 to 50 mm Hg
  b. 10 to 25 mm Hg
  c. Greater than 25 mm Hg
  d. Less than 10 mm Hg

[Jody Vaughn]

Answer to Question 1

ANS: D
Treatment of intrapulmonary shunt must be directed toward opening collapsed alveoli or clearing fluid or exudative material before oxygen can be beneficial at below toxic levels.

Answer to Question 2

ANS: B
The P(Aa)O2 ranges from 10 mm Hg in young patients to approximately 25 mm Hg in the el-derly while breathing room air.