Q. No.Fecal-oral route is not involved in the transmission of:
1.
Polio
2.
Amoebic dysentery
3.
Ascariasis
4.
Filariasis
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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.
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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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