Frequently H₁ and H₂ receptors are located on the same cells and act in a(n) _____ fashion.
A)synergistic
B)additive
C)antagonistic
D)agonistic

Question

Quizplus · Accepted Answer

Both types of receptors are distributed among many different cells and are often present on the same cells and may act in an antagonistic fashion. For instance, neutrophils express both types of receptors, with stimulation of H₁ receptors resulting in the augmentation of neutrophil chemotaxis, and H₂ stimulation resulting in its inhibition.

Frequently H₁ and H₂ Receptors Are Located on the Same