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Immunology

Description: Take Test for Immunology, Polysaccharides, Biochemistry, Protein Structure, Carbohydrates online and get prepared for competitive exams
Number of Questions: 25
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Tags: Immunology Polysaccharides Biochemistry Protein Structure Carbohydrates
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Which antibody is formed in the Primary Response?

  1. IgA

  2. IgE

  3. IgG

  4. IgM


Correct Option: D
Explanation:

IgM

The substances that enhance the immunogenicity of an antigen are called

  1. Adjuvant

  2. HRPT

  3. Interleukins

  4. Monoclonal antibodies


Correct Option: A
Explanation:

Adjuvants

T-cells are the lymphocytes produced in the

  1. throat

  2. thyroid

  3. thymus

  4. none of these


Correct Option: C
Explanation:

Thymus

Kappa and Lamda are two varieties of ------------------ immunoglobulins.

  1. L-chain

  2. H-chain

  3. B-chain

  4. None of these


Correct Option: A
Explanation:

L-chain

Activated T-lymphocytes release

  1. interleukins

  2. lymphokines

  3. interferons

  4. none of these


Correct Option: B
Explanation:

Lymphokines

Molecules that are incapable of inducing antibody formation themselves but produce a reaction when combined with another protein are called

  1. Haptens

  2. Antigens

  3. Carriers

  4. None of these


Correct Option: A
Explanation:

A hapten is a small molecule that can elicit an immune response only when attached to a large carrier such as a protein; the carrier may be one that also does not elicit an immune response by itself.

The ratio of phagocytic activity of the patient's blood for a given bacterium to the phagocytic activity of blood from a normal individual is called

  1. Opsonic index

  2. Glycemic index

  3. Lipid profile

  4. RBC count


Correct Option: A
Explanation:

Opsonic index

The largest lymphoid cells in peripheral blood are called

  1. leucocytes

  2. monocytes

  3. platelets

  4. none of these


Correct Option: B
Explanation:

Monocytes

Antigenic specificity exclusive to each immunoglobulin molecule is called

  1. isotype

  2. idiotype

  3. immunotype

  4. none of these


Correct Option: B
Explanation:

Idiotype

Antigenic specificity exclusive to each immunoglobulin molecule is called

  1. Isotype

  2. Idiotype

  3. Immunotype

  4. none


Correct Option: B
Explanation:

Idiotype

The major human serum immunoglobulin is

  1. IgM

  2. IgG

  3. IgA

  4. IgD


Correct Option: B
Explanation:

IgG

Which antibody is predominant in the secondary response?

  1. IgM

  2. IgG

  3. IgA

  4. IgE


Correct Option: B
Explanation:

IgG

Somatic cell hybrids produced by fusing spleen cells with myeloma cells are called

  1. MCA

  2. hybridomas

  3. lymphomas

  4. none of these


Correct Option: B
Explanation:

Hybridomas

Major immunoglobulin in colostrum, saliva and tears is

  1. IgG

  2. IgA

  3. IgM

  4. IgE


Correct Option: B
Explanation:

IgA

Widal test is used to detect

  1. malaria

  2. tetanus

  3. typhoid

  4. thyroid


Correct Option: C
Explanation:

Typhoid

Immune response is of two types-Cellular and

  1. Moral

  2. Tibial

  3. Humoral

  4. Facultative


Correct Option: C
Explanation:

Humoral

Antibodies produced by a single clone and directed against a single antigen determinant are called

  1. IgA

  2. HRPT

  3. Monoclonal

  4. Macrophages


Correct Option: C
Explanation:

Monoclonal antibodies

Drug most widely used for immunosuppression is

  1. Azathioprine

  2. Cyclosporin

  3. Folic acid

  4. None of these


Correct Option: B
Explanation:

Cyclosporin

Addison's disease is a/an

  1. infectious disease

  2. type of cancer

  3. autoimmune disease

  4. none of these


Correct Option: C
Explanation:

Autoimmune disease

Immunoglobulins are

  1. glycoproteins

  2. carbohydrates

  3. cholesterols

  4. proteins


Correct Option: A
Explanation:

Glycoproteins

Interleukin signifies

  1. substances produced by leucocytes that regulate other cells

  2. substances produced by leucocytes that regulate their own functions

  3. substances produced by leucocytes that have no significant function

  4. none of these


Correct Option: A
Explanation:

substances produced by leucocytesthat regulate other cells

The millionaire molecule is

  1. IgM

  2. IgA

  3. IgG

  4. IgE


Correct Option: A
Explanation:

IgM

AIDS is

  1. Acquired infection disorder

  2. Acquired immunodeficiency syndrome

  3. Acquired immunodeficiency symptoms

  4. None of these


Correct Option: B
Explanation:

Acquired immunodeficiency syndrome

Maternal antibodies are transmitted to the human foetus mainly through

  1. injection

  2. colostrum

  3. placenta

  4. none of these


Correct Option: C
Explanation:

Placenta

The Rh factor was discovered by

  1. Mendel

  2. Landsteiner and Wiener

  3. Bordet and Gengou

  4. Griffith


Correct Option: B
Explanation:

Landsteiner and Weiner

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