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: Forensic Medicine
Difference between antemortem burns & postmortem burns vesicles, favouring antemortem burn vesicles is/are -a) Tissue beneath vesicle is dry, hard & yellowb) Protein & chlorides in vesicle are morec) Erythema is presentd) Fluid in the vesicle is scanty 
Select and explain. 
A. a, B. c, C. bc, D. ad
C: bc
Answer: C: bc 
Explanation: Blisters (vesicles) of antemortem burn:

True blisters
Contain protein, chloride, RBC & pus and
The base is inflamed and red (erythematus).

Blisters (vesicles) of postmortem burn:

False blisters
Contain air and thin, clear fluid, and
The base is hard, dry and yellow.