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Author Question: What maintains lung inflation during fetal development? a. Fetal lung fluid b. Radial tethering ... (Read 82 times)

washai

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on: Jul 16, 2018
What maintains lung inflation during fetal development?
 
  a. Fetal lung fluid
  b. Radial tethering
  c. Rigidity of the chest wall
  d. Surfactant

Question 2

Which of the following is an index commonly used to determine relative lung maturity?
 
  a. FRC/TLC ratio
  b. L:S ratio
  c. RQ ratio
  d. SP-A


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ryansturges

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: A
Fetal lung fluid is constantly produced and keeps the fetal lung inflated at a slight positive pres-sure with respect to amniotic fluid pressure and is important in promoting normal lung develop-ment.

Answer to Question 2

ANS: B
Quantification of these phospholipids (the L:S ratio and PG concentration) provides a predictive index of the lung maturity in the fetus before birth and the risks of developing respiratory dis-ease.


washai

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Reply 2 on: Jul 16, 2018
Gracias!

recede

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Reply 3 on: Yesterday
Excellent

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