Swelling in the extremities can be the result of water leaving the arterial ends of capillaries faster than it is reabsorbed through the venous ends. this is often seen in what disease?
1- diabetes
2- hypertension, or high blood pressure
3- hypotension, or low blood pressure
4- dehydration

The correct answer is: 2- Hypertension, or high blood pressure

Hypertension leads to heart failure. Also, as a result of hypertension body tends to retain fluid in order to maintain adequate blood volume. A failing heart is unable to handle that extra fluid, so it is transferred out of the blood vessels and into tissues causing the swelling of extremitets or edema.  

. ph changes the ability of them he enzyme to dissolve in water.