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Author Question: Vital capacity is the sum of which of the following? 1. Residual volume 2. Inspiratory capacity ... (Read 121 times)

nramada

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Vital capacity is the sum of which of the following?
 
  1. Residual volume
  2. Inspiratory capacity
  3. Expiratory reserve volume
  4. Inspiratory reserve volume
  5. Functional residual capacity
  a. 2 and 3 c. 2 and 5
  b. 1 and 4 d. 3 and 4

Question 2

The results of pulmonary function testing show a normal total lung capacity and decreased, but reversible, FEV1 and FEV25-75. The patient is a 22-year-old, nonsmoking man with a history of intermittent noisy breathing.
 
  Which of the following is most likely the cause of his problem?
  a. Asthma c. Pulmonary fibrosis
  b. Emphysema d. Severe restrictive pulmonary disease



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taylorsonier

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Answer to Question 1

ANS: A
The vital capacity is equal to the sum of the inspiratory capacity plus the expiratory residual vol-ume.

Answer to Question 2

ANS: A
Asthma is a disease that shows reversibility in the FEV1 and FEV25-75. This reversibility, coupled with the fact that he is an otherwise healthy, nonsmoking, 22- year-old with a history of inter-mittent noisy breathing, makes asthma the best choice as the most likely cause of the problem.




nramada

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


miss.ashley

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Reply 3 on: Yesterday
:D TYSM

 

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