MCQ IN MEDICINE

Detailed explanation-1: -Vasodilation is the widening of blood vessels as a result of the relaxation of the blood vessel’s muscular walls. Vasodilation is a mechanism to enhance blood flow to areas of the body that are lacking oxygen and/or nutrients.

Detailed explanation-2: -Varicose veins are dilated veins under the skin of the leg. These abnormal veins are common, not dangerous, but may cause a number of symptoms. Normal veins rely on valves to keep the blood moving upwards. In varicose veins these valves do not function and the flow of blood is slow or even reversed.

Detailed explanation-3: -Although the diagnostic value remains to be elucidated, the most common symptoms of PVV include pain, burning sensation, night cramps, swelling, throbbing, heaviness, restless legs, pruritis and tightness.