Cytokines, Interferon gamma & Interleukin (IL-1), are produced by …………………………

• A) neutrophils
• B) T helper cells
• C) basophils
• D) macrophages & monocytes

Hemolytic disease of newborn of is caused by ……………………

• A) cytotoxic hypersensitivity
• B) cell mediated hypersensitivity
• C) immune complex hypersensitivity
• D) immediate hypersensitivity

Type II hypersensitivity is also known as----------

• A) cell mediated hypersensitivity
• B) Cytotoxic hypersensitivity
• C) Anaphylactic reactions
• D) Immune complex hypersensitivity

Cytokines are -------

• A) Diverse group of antibody proteins
• B) Diverse group of non-antibody cells
• C) Diverse group of non-antibody lipids
• D) Diverse group of non-antibody proteins

Allergic asthma and hay fever are examples of -------

• A) Type I Hypersensitivity
• B) Type II Hypersensitivity
• C) Type III Hypersensitivity
• D) Type IV Hypersensitivity

Chemokines are cytokines that are responsible for …………………….

• A) leucocytes killing
• B) leucocytes proliferation
• C) leucocytes migration
• D) leucocytes inhibition

Hypersensitivity I is mediated by ------

• A) IgG
• B) IgM
• C) IgE
• D) IgA

In type III hypersensitivity, aggregated …………….. form micro thrombus.

• A) macrophages
• B) complement proteins
• C) platelets
• D) neutrophils

Tumor Necrosis Factor-Alpha is produced by activated ………………… in response to microbes or their products.

• A) monoctyes
• B) macrophages
• C) lymphocytes
• D) T-cells

Tuberculin test is used to diagnose ……………………….. reaction

• A) Hypersensitivity type III
• B) Hypersensitivity type II
• C) Hypersensitivity type I
• D) Hypersensitivity type IV

These all cells are involved in delayed type hypersensitivity EXCEPT …………………

• A) Monocytes
• B) Macrophages
• C) T-cells
• D) B-cells

Delayed type hypersensitivity is -------

• A) Type III
• B) Type I
• C) Type II
• D) Type IV

Antibody dependent Cellular Cytotoxicity is another form of Type II hypersensitivity causes the lysis target cells primarily by ………………

• A) neutrophils
• B) NK cells
• C) macrophages
• D) eosinophils

Anaphylactic reactions usually take ………………… to occur.

• A) 1-2 days
• B) 1-2 minutes
• C) 10-12 hrs
• D) 15-30 minutes

Urticaria is a hypersensitivity reaction of …………………

• A) GIT
• B) eyes
• C) nose
• D) skin

…………………………… is a mediator of immediate hypersensitivity which causes the proteolysis.

• A) Kininogenas
• B) Tryptase
• C) Histamine
• D) Tetrapeptidase

In Goodpasture’s Syndrome, autoantibodies are produced against ………………………

• A) Rh-factor
• B) thyroid
• C) glomerulus basement membrane
• D) surface of RBC

IL-12 is produced by dendritic cells & macrophages which enhance the cytolytic activity of ……………………

• A) cytotoxic T-cells
• B) NK cells
• C) T helper cells
• D) phagocytic cells

Artificial passive immunization is transferred by injecting specific ……………………… from other individual or from other immune animals.

• A) alpha-globulins
• B) mu-globulins
• C) gamma-globulins
• D) delta-globulins

These all are true for vaccination EXCEPT ………………………

• A) Immunization against intracellular pathogen by humoral immunity
• B) Neutralization of specific pathogens
• C) Stimulation of organism’s immune system
• D) Ways of providing specific protection