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A 35 year old man who is a marathon runner experiences cutaneous vasodilation to help cool his body while running on a hot summer day. Increased blood flow leads to release of a chemical mediator from endothelial celsl causing vasodilation in arterioles. What enzyme is directly activated by this chemical mediator?

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The General Principles section of the USMLE covers these topics:
Biochemistry
Genetics
Microbiology
Pathology
Pharmacology


1. A 35 year old man who is a marathon runner experiences cutaneous vasodilation to help cool his body while running on a hot summer day. Increased blood flow leads to release of a chemical mediator from endothelial celsl causing vasodilation in arterioles. What enzyme is directly activated by this chemical mediator?





 
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