What should we do if a person gets a cut on his/her body?

Question

$\begin{array}{1 1} (a)\; \text{Leave the wound open} \\ (b)\; \text{Wash the wound and then put a dry bandage over it} \\ (c)\; \text{Do not wash the wound and put a bandage} \\ (d)\; \text{All of the above} \end{array}$