In an open injury during toileting and debridement,muscle viability is detected by -a) Colour of the muscleb) Muscle sizec) Muscle functiond) Muscle contractilitye) Punctate bleeding spots on cut edge

Muscle viability is detected by '4C' Colour - dead muscle has dark unhealthy colour, has lost its sheen Contractility - dead muscles does not twitch when held by forceps. Consistency - dead muscles has lost its turgor and is mushy in consistency. Capillary bleeding - dead muscle does not bleed at cut ends. Also remember Most important step in wound toileting & debridement is excision of dead tissues, that's why better term for toileting & debridement is 'wound excision'.