This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
In an open injury during toileting and debridement, muscle bility is detected by - 
Select and explain. 
A. Colour of the muscle, B. Muscle size, C. Muscle function, D. All
A: Colour of the muscle
Answer: A: Colour of the muscle 
Explanation: Ans is 'a' i.e. Colour of muscle Muscle bility is detected by '4C' a. Colour - dead muscle has dark unhealthy colour, has lost its sheen b. Contractility - dead muscles does not twitch when held by forceps. c. Consistency - dead muscles has lost its turgor and is mushy in consistency. d. Capillary bleeding - dead muscle does not bleed at cut ends. Also remember Most impoant step in wound toileting & debridement is excision of dead tissues, that's why better term for toileting & debridement is 'wound excision'.