Ans a. Venom causes neutrophils recruitment that cause inflammation and edema in puncture wound.
Activation of Mast cell that cause detoxification of venom
IgE production cause hypersensitivity reaction.
Ans b. First we immobilised affected part by pressure immobilisation bandage. Insert IV line and take blood sample for venom presence if present that rescuccitate and give ANTUVENOM immediately. Also give prophylactic adrenaline.
The end of this absurd scenario Leeroy was walking alone in the woods near the river....