Medical MCQ-With respect to peripheral vascular disease, all of the following statements are true except:

With respect to peripheral vascular disease, all of the following statements are true except:

Ankle brachial index < 0.5 indicates critical limb ischemia

The ankle-brachial index is different at rest than that during exercise

L-arginine is useful for providing endothelium-independent vasorelaxation

Smoking has a greater association with peripheral vascular disease than coronary vascular disease

Question Category:

Surgery

Correct Answer:

Smoking has a greater association with peripheral vascular disease than coronary vascular disease

Description:

Ans. d. Smoking has a greater association with peripheral vascular disease than coronary vascular disease > c. L-arginine is useful for providing endothelium-independent vasorelaxationSainston I9/e p/ 730; Schwaz 9/e p751, Bailey 26th/S75, 25th/900-902)Smoking has greater association with coronary aery disease than peripheral vascular disease. L-Arginine is a precursor of Nitric oxide so helps in vasodilation due to synthesis of NO by endothelium. Hence it is endothelium-dependent.

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