What is a sprain?
a. a stretch or tear of a ligament
b. an open wound with minimum bleeding
c. a twist or tear in a muscle
d. a puncture wound with no bleeding

For this particular item, we are given four choices and the we are to give the best description for the word, "sprain". This is a twist or wrench in the ligament. This causes swelling and severe pain but it does not lead to dislocation. The answer to this item is letter A.

The correct answer is option A. Sprain is a stretch or tear of a ligament. A sprain is an injury to the ligament while a strain is the injury to a muscle in our body. Sprain is caused when you fall or get hit such that with force a joint just shifts from its normal position. The causes the ligaments (Ligaments are connective tissues that connect a bone to other bone) to stretch or tear.