- 1(current)
Q. No.Active immunity develops when:
| 1. | A host is exposed to antigens |
| 2. | Antigen presenting cells first encounter the antigen |
| 3. | T helper cells activate B cells to produce antibodies |
| 4. | When a child gets vaccinated for the first time |
A foetus receiving some antibodies from mother through placenta is an example of:
| 1. | Naturally acquired active immunity |
| 2. | Artificially acquired active immunity |
| 3. | Artificially acquired passive immunity |
| 4. | Naturally acquired passive immunity |
The principle of immunization or vaccination is based on which property of the immune system?
1. Specificity
2. Memory
3. Ability to recognize self from non-self
4. Cooperation between innate and adaptive immunity
What type of immunity is used in the treatment of a patient of snakebite?
| 1. | Naturally acquired active immunity |
| 2. | Artificially acquired active immunity |
| 3. | Artificially acquired passive immunity |
| 4. | Naturally acquired passive immunity |
Recombinant vaccine used to prevent Hepatitis B contains:
1. killed hepatitis B virus
2. live attenuated hepatitis B virus
3. antigenic polypeptide of hepatitis B virus
4. messenger RNA of yeast
Where do the T-lymphocytes develop the ability to recognize self from non-self antigens?
| 1. | plasma cells | 2. | spleen |
| 3. | thymus | 4. | liver |
| 1. | Bone marrow & Spleen | 2. | Bone marrow & Thyroid |
| 3. | Lymph nosed & Spleen | 4. | Bone marrow & thymus |
What constitutes about 50% of the lymphoid tissue in the human body?
| 1. | Malt | 2. | Spleen |
| 3. | Lymph nodes | 4. | Liver |
- 1(current)
Q. No.
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