Under which of the following conditions would you postpone a diffusing capacity test?
1) Just before the test, the patient smoked two cigarettes.
2) Just before the test, the patient had an episode of severe coughing.
3) Just before the test, the patient had a long wait at a busy bus stop.
A)1 only
B)1 and 3 only
C)2 and 3 only
D)1, 2, and 3

Question

Quizplus · Accepted Answer

For a diffusing capacity test, it is recommended to avoid smoking for at least 24 hours prior to the test. Hence, smoking two cigarettes just before the test could affect the results and it's better to postpone the test. However, having an episode of severe coughing just before the test or waiting at a busy bus stop wouldn't affect the results of the test, so there is no need to postpone under those conditions.

Under Which of the Following Conditions Would You Postpone a Diffusing