The Lack of Susceptibility to Diseases of Other Species in Humans

Multiple Choice

The lack of susceptibility to diseases of other species in humans may be due to the

A) lack of any cytokine production.
B) presence of endotoxins.
C) lack of any cytokine production AND secretion of exotoxins.
D) presence of endotoxins AND secretion of exotoxins.
E) lack of receptors that are recognized by adherence factors.