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Author Question: In which of the following conditions will you see an increase in the DLCO? a. Pulmonary emphysema ... (Read 41 times)

EAugust

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on: Jul 16, 2018
In which of the following conditions will you see an increase in the DLCO?
 
  a. Pulmonary emphysema
  b. Secondary polycythemia
  c. Severe anemia
  d. Pulmonary fibrosis

Question 2

What is a normal single-breath diffusing capacity for carbon monoxide for a young, healthy man of average size?
 
  a. 10 ml/min/mm Hg
  b. 20 ml/min/mm Hg
  c. 30 ml/min/mm Hg
  d. 40 ml/min/mm Hg


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shailee

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

ANS: B
The DLCO may be increased in patients with polycythemia, congestive heart failure (resulting from an increase in pulmonary vascular blood volume), and elevated cardiac output. Factors that can alter the DLCO above or below the normal value are summarized in Table 20-7.

Answer to Question 2

ANS: D
A typical normal value for a 20-year-old healthy man is 40 ml/min/mm Hg.


EAugust

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Reply 2 on: Jul 16, 2018
Wow, this really help

essyface1

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Reply 3 on: Yesterday
Excellent

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