Transplantation of tissues/organs fails often due to non-acceptance by the patient’s body. Which type of immune-response is responsible for such rejections?

Use of antihistamines and steroids give quick relief from

Except skin, other physical barriers which also helps to prevent the entry of the microorganisms are

I. mucus coating of the epithelium lining the respiratory

II. gastrointestinal tracts

III. urogenital tracts

Choose the correct option

Humoral immune system defends against viruses and bacteria is present in

Which of the following organs is not involved in the elicitation of immune response?

The progenitors that are formed in bone marrow and differentiated elsewhere are

Which of the following is the primary immunoglobulin responsible for mucosal immunity in a breastfed infant?

Which of the following is a direct consequence of Adenosine deaminase deficiency?

Antivenom injection contains preformed antibodies. What do polio drops, administered orally, contain?

Which of the following are the reasons for rheumatoid arthritis? Choose the correct option

I. Lymphocytes become more active

II. Body attacks self cells

III. More antibodies are produced in the body

IV. The ability to differentiate pathogens or foreign molecules from self cells to lost

Cell mediated immunity is mainly a function of