IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

THE GOOD BAD AND UGLY OF THE IMMUNE SYSTEM

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: -The damaged cells release chemicals including histamine, bradykinin, and prostaglandins. These chemicals cause blood vessels to leak fluid into the tissues, causing swelling. This helps isolate the foreign substance from further contact with body tissues.

Detailed explanation-2: -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. The receptors of histamine is also involved in acute inflammatory reaction .

Detailed explanation-3: -Which of the following is an example of humoral immunity? b. dendritic cells presenting antigens to leukocytes.

Detailed explanation-4: -Inflammatory mediators are molecules produced by activated cells that intensify and prolong the inflammatory response. Histamine is a potent inflammatory mediator, commonly associated with allergic reactions, promoting vascular and tissue changes and possessing high chemoattractant activity.

Detailed explanation-5: -Answer and Explanation: The physiological event that is not a function of the inflammatory response is b) replaces injured tissues with connective tissue.

Detailed explanation-6: -The two types of acquired immunity are adaptive and passive.

There is 1 question to complete.