Question

1. Immunocompromised versus immunocompetent.

2. What is meant by the term cytolysis?

3. Which lymphocyte class possess CD8 on their   

surfaces? Which possess CD4?

4. Which cells "costimulate" cytotoxic T cells and B

cells by secretijg cytokines?

Answer 1

1.Immunocompromised:which contai low immunity in the body means the response of immune cells to wards foreign praticals or the antigens that produced by the bacteria or viruses the response in very less such Individual persons are called immunocompromised and more prone to infections easily on the exposure .

Immuno competent : person or individual having normal immune system ,where body has has active mechanism and immunity acts to wards the foreign praticals and protect body from the bacteria and viruses .

2.Cytolysis:it is a process of bursting of cell due to excess of water diffuse in to the cell called osmotic imbalance ,it occurs in a condition called hypotonic environment where cell increase in size and burust due to absence of cell wall cell wall protects from the burust of cell so it occurs in protozoa due to cell wall abscent.

3.cytotoxic t cells possess cd8 cells

Lymphocytes or white blood cells possess cd4 cells

4.antigen presenting cells called dendritic cells,macrophages