if there is any chance of it being poisonous, DO NOT EAT IT! it may be that the deer was walking through flowers and got pollen onn it, but it is also possible that it is bacteria growing. i would especially not eat it if it was hit by a car.
Not if you wash your hands. If you leave the blood on your hands I don't think you will get infected.
maybe it has an injury or a sore or it could be infected
Heparin
if they bite you enough and the injury gets really badly infected yes, but otherwise no.
Medication
Poison- A substance that, when introduced into or absorbed by a living organism, causes death or injury, esp. one that kills by rapid action.
Anticoagulant
The rat may have been injured from a fall or other rat. Or the rat may have an infection. It should be noted that rats saliva frequently appears red but it is not blood, it is a substance called 'porphyrin'. This substance can appear when the rat is stressed out or frightened.
No. To become infected with HIV there must be an exchange of body fluids. Even having a HIV-infected person bleed on you isn't dangerous unless it gets into a cut or other injury.
The injury may cause tissues to be exposed through wounds, which subsequently become infected by bacteria and other organisms. For example, septic wounds and/or blood poisoning
Yes, he broke bones, had an infected spider bite, the most notorious injury was the burns to scalp.
Use the jaw thrust to open the airway for a neck injury.