Cytokines

Q.

Assertion: Interferons are the chemicals that help in the elimination of viral infections.

Reason: Interferons released by infected cells, reach nearby unaffected cells and make them resistant to viral infection.

1. Both assertion and reason are correct and reason is the correct explanation of the assertion
2. Both assertion and reason are correct but reason is not the correct explanation of the assertion
3. The assertion is correct but the reason is wrong
4. Both assertion and reason are incorrect

Q. Identify the mismatched pairs

A.Physiological barrier - Acid in stomach
B.Physical barrier - Skin
C.Cytokine barrier - PMN
D.Cellular barrier - Lysozyme

The mismatched pairs are given in

1. A and B
2. B and C
3. C and D
4. A and D

Q. The cells involved in inflammatory reactions are

1. Basophils
2. Neutrophils
3. Eosinophils
4. Lymphocytes

Q. In the cell-mediated immune response, T-lymphocytes divide and secrete

1. antigens
2. plasmogens
3. collagens
4. cytokines

Q. Interferon is ________.

1. A protein
2. A potential use on the treatment of cancer
3. A carbohydrate
4. A steroid

Q.

Which WBCs are the first to come into action in the case of an injury or infection?

1. Neutrophils

2. Eosinophils

3. All of the above

4. Basophils

Q. In the cell-mediated immunoresponse, T-lymphocytes divide and secrete

1. antigens
2. plasmogens
3. collagens
4. cytokines

Q.

State whether true or false:
Cytokines serve as alarm system to kill infected human cells.

1. True

2. False

Q.

Cytokines serve as alarm system to kill the infected human cells

1. True

2. False

Q. Find out the name of the microbes from which Cyclosporin A(an immunosuppressive drug) and Statins (blood chloestrol lowering agents) are obtained.

Q.

Which of the following is/ are responsible for the release of cytokines ?

1. When blood platelets are infected by a virus

2. When a bacteria enters the blood

3. When the body cell is infected

4. All of the above

Q. In the cell-mediated immunoresponse, T-lymphocytes divide and secrete

1. antigens
2. plasmogens
3. collagens
4. cytokines

Q.

If a person shows the production of interferons in his body, chances are that he is suffering from

1. malaria

2. anthrax

3. measles

4. tetanus

Q. Identify the mismatched pairs

A.Physiological barrier - Acid in stomach
B.Physical barrier - Skin
C.Cytokine barrier - PMN
D.Cellular barrier - Lysozyme

The mismatched pairs are given in

1. A and B
2. B and C
3. C and D
4. A and D

Q. An antiviral substance known to prevent the synthesis of new virus in the cell is known as

1. antibody
2. transferons
3. interferons
4. inferons

Q.

Which of the following is/are responsible for the release of cytokines?

1. When blood platelets are infected by a virus

2. When a bacteria enters the blood

3. When the body cell is infected

4. All of the above

Q.

State whether true or false:
Cytokines serve as alarm system to kill infected human cells.

1. True

2. False

Q. Which of the following is secreted during allergic reactions?

1. Allergens
2. Immunoglobulins
3. Histamines
4. Pyrogens

Q. An autoimmune disease in a patient resulted in destruction of certain group of cells in stomach due to which erythropoiesis was affected, the affected cells are------- Mucus neck cell , peptic cell , oxyntic cell or paneth cell

Q.

State whether true or false:
Cytokines serve as alarm system to kill infected human cells.

1. True

2. False

Q.

what is cell mediated immune response and humoral immune response ? what is its function?

Q. Which of the following molecules is incorrectly paired with its source?

1. Lysozyme-gastric juices
2. Histamine-injured cells
3. lnterferons-virus infected cells
4. Immunoglobulins-plasma cells

Q. Cytokine that provides nonspecific immunity against viruses is

1. Interleukin
2. Interferon
3. Tumour nerosis
4. Colony stimulating

Q. Which of the following molecule is incorrectly paired with its action ?

1. Interleukin I-stimulates division of helper T-cells
2. Lysozyme-attacks bacterial cell walls
3. Interferon-helps neighbouring cells to resist viral infection
4. Histamine-fights allergic reactions

Q. Diagram of Adenovirus.
Choose the correct for the given diagram.

1. Bacteriophage - Tobacco mosaic disease
2. Adenovirus - Cause of respiratory disease
3. Viroid - Potato spindle tumour disease
4. Prion - Alzheimer's disease