TYK38: Difference between revisions
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All of the following are true concerning V/Q ratios EXCEPT: | All of the following are true concerning V/Q ratios EXCEPT: | ||
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D. Deadspace is represented by a V/Q value of 0.5. | D. Deadspace is represented by a V/Q value of 0.5. | ||
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==Answer== | ==Answer== | ||
The answer is D. Deadspace ventilation is represented by a value of infinity and certainly >0.5. All other choices are correct. | The answer is D. Deadspace ventilation is represented by a value of infinity and certainly >0.5. All other choices are correct. | ||
==Notes== | ==Notes== | ||
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==Keywords== | ==Keywords== | ||
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Latest revision as of 22:22, 23 January 2022
All of the following are true concerning V/Q ratios EXCEPT:
A. In an awake, spontaneously breathing patient, the normal matching of V/Q is 0.8
B. An absolute shunt has a V/Q value of 0.
C. Hypoxic pulmonary vasoconstriction (HPV) is an intrapulmonary mechanism that attempts to minimize V/Q mismatching.
D. Deadspace is represented by a V/Q value of 0.5.
Click for Answer
Answer
The answer is D. Deadspace ventilation is represented by a value of infinity and certainly >0.5. All other choices are correct.
Notes