Toxicological Trivia from December 16, 2009: The snake venoms are glandular products that conform complex of several chemical compounds, colorless or yellowish crystalline enzyme fractions, protein and no protein in aqueous solution. The amount of venom depends on several factors including:
a) the state of irritation of the animal;
b) The animal’s age and time elapsed since last feeding;
c) Both previous assertions are correct.

Correct answer c. Read more in monograph in Spanish:  "Venomous Animals of Argentina. Items for recognition and first aid measures in case of accidents" (2006).