MCRT- Gas diffusion tests
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Why is carbon monoxide used to measure the diffusing capacity? | combines faster with Hb
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| All of the following factors would account for a decreased DLco in the absence of pulmonary disease | decreased Hb, increased carboxyhemoglogin, decreased capillary blood volume
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| What is the only obstructive lung disease with a decreased DLco? | emphysema
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| What is the normal value for DLco? (include correct units) | 25 mlCO/min/mmHg
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| Briefly describe how you would coach a patient to perform a DLco test | 1. blow everthing out (RV) 2. take as deep a breath as possible 3. hold breath for 10 seconds 4. exhale forcefully and completely
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| A single breath DLco test would require which gases? | 0.3% CO and an Inert gas
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Created by:
smiddleton
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