AP BIOLOGY

THE HUMAN IMMUNE SYSTEM

IMMUNE RESPONSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is NOT acquired
A
production of antibodies
B
helper T cell making memory cells
C
cytotoxic T cell killing infected body cell
D
creation of histamine during a splinter infection
Explanation: 

Detailed explanation-1: -Histamine increases the vasodilatation, and also increases the vascular permeability in the immediate transient phase of the acute inflammatory reaction. This histamine also acts as a chemical mediator in acute inflammation.

Detailed explanation-2: -(a) Inflammation and fever are non-specific immune responses triggered by the innate immune system.

Detailed explanation-3: -Histamine increases blood supply to the injured area causing inflammatory response.

There is 1 question to complete.