Interferon is a glycoprotein which is: 

1. Antibacterial

2. Antifungal

3. Antiviral

4. All of these

Subtopic:  Details of Immunity |
 78%
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A common cause of pneumonia in humans is:

(1) Streptococcus pyogenes

(2) Haemophilus influenzae

(3) Staphylococcus aureus

(4) Rotavirus

Subtopic:  Pneumonia & Related Questions |
 93%
From NCERT
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The cannabinoids receptors are principally located in the central nervous system. The other location where they are present is:

(1) Heart

(2) Spleen

(3) Kidney

(4) Thyroid

Subtopic:  Drugs & Alcohol Abuse |
 72%
From NCERT
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The granulocytes that are actively phagocytic and the most numerous of the leukocytes circulating in the blood are the:

(1) neutrophils

(2) basophils

(3) eosinophils

(4) monocytes

Subtopic:  Human Immune System |
 76%
From NCERT
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All of the following are true regarding inflammation except:

1.  The same sequence of events occurs in response to any injury, whether it be a burn, an infection, or trauma.
2.  The signs of inflammation are pain, redness, swelling, heat, and possibly loss of function.
3.  Cytokines, histamine, complement, and other chemical mediators are released.
4.  Monocytes are the first cells to arrive from the bloodstream at the site of inflammation.
Subtopic:  Allergies & Autoimmunity |
 54%
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IgM:

1.  has five antigen-binding sites.
2.  has the ability to cross the placenta.
3.  attaches to mast cells and basophils.
4.  has five constant regions.

Subtopic:  Details of Immunity |
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Many physicians prefer mother's milk over cow's milk for infants. This is because mother's milk has the following property not found in cow's milk.

(1) Antibodies against human disease

(2) Proteins for growing human muscle

(3) More essential amino acids

(4) MHCs for maturing the infant's immune system

Subtopic:  Active & Passive Immunity |
 81%
From NCERT
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Opsonization :

1.  is the killing of target cells by cytotoxic T cells.
2.  is the secretory component of IgA.
3.  helps increase phagocytosis.
4.  is the interaction that allows IgG to cross the placenta.

Subtopic:  Details of Immunity |
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The epitope is the part of the :

1.  antibody that binds to the antigen.
2.  antibody that binds to the T helper cell.
3.  antigen that is bound by the antibody.
4.  hypervariable region of the antibody.

Subtopic:  Details of Immunity |
 51%
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What type of immunity is induced by the hepatitis B vaccine?
1. naturally acquired active immunity.
2. naturally acquired passive immunity.
3. artificially acquired active immunity.
4. artificially acquired passive immunity.

Subtopic:  Fungal Infection & Concept of Immunity |
 51%
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