What characteristic do atopic individuals have that make them genetically predisposed to develop allergies?
A)Greater quantities of histamine
B)More histamine receptors
C)Greater quantities of IgE
D)A deficiency in epinephrine

Question

Quizplus · Accepted Answer

Atopic individuals tend to produce higher quantities of IgE and to have more crystalline fragment (Fc) receptors for IgE on their mast cells. Greater quantities of histamine, more histamine receptors, and a deficiency in epinephrine do not lead to a genetic predisposition to allergies.

What Characteristic Do Atopic Individuals Have That Make Them Genetically