The separation or bursting open of a surgical wound is called:

A) dehiscence.
B) exudate.
C) eschar.
D) pustule.

Dehiscence

The surgical complication in which a wound ruptures along a surgical incision, potentially leading to exposure of internal organs or tissues.

Exudate

Fluid, such as pus or clear fluid, that leaks out of blood vessels into nearby tissues, often as a result of inflammation or injury.

Eschar

A dry, dark scab or falling away of dead skin typically formed on a wound or burn site.