IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

LYMPHATIC TISSUES AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Chemicals released by sensitized T lymphocytes to keep us healthy are known as ____
A
antigens
B
macrophages
C
memory cells
D
lymphokines
Explanation: 

Detailed explanation-1: -Cytokines are a collective name of lymphokines (cytokines secreted by lymphocytes), monokines (cytokines secreted by monocytes), interleukins (cytokines secreted by one leukocyte and acting on other leukocytes), chemokines (cytokines with chemotactic activities), etc.

Detailed explanation-2: -Lymphokines are a subset of cytokines that are produced by a type of immune cell known as a lymphocyte. They are protein mediators typically produced by T cells to direct the immune system response by signaling between its cells.

Detailed explanation-3: -Lymphokines are the products of activated lymphoid cells. For the most part, both T‐ and B‐lymphocytes are capable of producing lymphokines with similar functional properties.

There is 1 question to complete.