Q. No.A person has a contaminated wound after a road traffic accident. He has not received tetanus toxoid in his life and was given tetanus immunoglobulin. The type of immunity that will be conferred to this person will be:
1. passive natural immunity.
2. active natural immunity.
3. active artificial immunity.
4. passive artificial immunity.
1. passive natural immunity.
2. active natural immunity.
3. active artificial immunity.
4. passive artificial immunity.
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Fecal-oral route is not involved in the transmission of:
| 1. | Polio | 2. | Amoebic dysentery |
| 3. | Ascariasis | 4. | Filariasis |
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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
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Non-specific response to microbes that enter the human body involves the response of all the following except:
| 1. | T lymphocyte | 2. | Neutrophil |
| 3. | Macrophage | 4. | Natural Killer cell |
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In the human body, the malaria parasite first multiplies in:
1. RBC
2. Hepatocytes
3. Hepatic sinusoids
4. Lymphocytes in secondary lymphoid organs
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After a few years of being diagnosed with HIV infection, a person develops tuberculosis, toxoplasmosis, diarrhea, and significant weight loss. This is most likely due to:
1. A cytokine storm in the body
2. A decrease in B lymphocytes count
3. A decrease in T helper cells count
4. A side effect of anti-retroviral therapy given
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Metastasis shown by malignant tumors:
| 1. | is due to contact inhibition exhibited by cells. |
| 2. | causes cells to remain undifferentiated. |
| 3. | makes cancer cells susceptible to be killed by radiation. |
| 4. | can start secondary tumors at distant sites in the body. |
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The microenvironment for the development and maturation of T lymphocytes is provided by:
I. Bone marrow
II. Thymus
III. Spleen
| 1. | Only II | 2. | Only III |
| 3. | Only I and II | 4. | I, II and III |
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Anabolic steroids are frequently abused. Their side effects include all of the following except:
1. Masculinization in females
2. Mood swings and depression in females
3. Reduction in size of testicles in males
4. Reduction in size of the prostate in males
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