Embibe Experts Solutions for Exercise 1: Exercise

Consider the following four statements $\left(\mathrm{a}-\mathrm{d}\right)$ regarding kidney transplants and select the two correct ones out of these.

(a) Even if a kidney transplant is proper the recipient may need to take immunosuppressants for a long time.

(b) The cell-mediated immune response is responsible for graft rejection.

(c) The $\mathrm{B}$-lymphocytes are responsible for the rejection of the graft.

(d) The acceptance or rejection of a kidney transplant depends on specific interferons.

The two correct statements are:

Statement (S): Natural killer cells form the body's most important cells of defence, and they destroy the infected cells or altered self cells in an antibody-independent manner.

Reason (R): The reaction time of NK cells is fast as they are always in an active form to identify and destroy even small cancer cells well before they form a tumor.

Which of the following is true?

Match the following about immune system

The correct answer is

Natural killer cells originate from

Study the following statements:
I) The largest endocrine gland of man secretes adrenalin.
II ${\mathrm{T}}_{\mathrm{H}}$ cells are involved in humoral and cell mediated immunity.
III) Natural Killer cells are a type of lymphocytes.
IV) ${\mathrm{T}}_{\mathrm{C}}$ cells are involved in humoral immunity.

Pick up the correct statements.

In the figure, the structure of an antibody molecule is shown. Show parts A, B and C and name them in the diagram.

An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as

What is introduced in polio vaccination?