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Author Question: When evaluating a forced vital capacity maneuver postbronchodilator use to determine the ... (Read 83 times)

genevieve1028

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on: Jul 16, 2018
When evaluating a forced vital capacity maneuver postbronchodilator use to determine the re-versibility of any airway obstruction, what percent increase in FEV1 is needed to be able to say the treatment was effective?
 
  a. 5
  b. 10
  c. 15
  d. 20

Question 2

What is the predicted normal FEV1 for the average 20-year-old man?
 
  a. 3.3 L
  b. 4.0 L
  c. 4.7 L
  d. 5.2 L


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strudel15

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

ANS: C
Although improvements in other measurements of pulmonary function are sometimes used, re-versibility is defined as a 15 or greater improvement in FEV1.

Answer to Question 2

ANS: C
The predicted normal FEV1 for a 20-year-old, 180-cm man approaches 4.70 L.


genevieve1028

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Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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