Q. No.Which of the following diseases is/are correctly matched with their modes of transmission?
Disease/Infection
Mode of transmission
I.
Ascariasis
Contaminated food and water
II.
Elephantiasis
Vector-borne
III.
Ringworm
Direct contact
Options:
1.
Only I and II
2.
Only I and III
3.
Only II and III
4.
I, II and III
Disease/Infection
Mode of transmission
I.
Ascariasis
Contaminated food and water
II.
Elephantiasis
Vector-borne
III.
Ringworm
Direct contact
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Cirrhosis of liver is a complication of chronic abuse of:
| 1. | Alcohol | 2. | Nicotine |
| 3. | Morphine | 4. | Benzodiazepines |
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Identify the incorrect statement regarding Entamoeba histolytica:
| 1. | Cysts of Entamoeba can survive for up to a month in soil or for up to 45 minutes under fingernails. |
| 2. | Invasion of the intestinal lining results in bloody diarrhea. |
| 3. | Infection remains confined to the gastrointestinal tract. |
| 4. | Infections can sometimes last for years if there is no treatment. |
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The occurrence of chills and fever in malaria is associated with:
| 1. | Rupture of hepatocytes during exo-erythrocytic cycle of the parasite |
| 2. | Inoculation of the sporozoite by the mosquito bite into humans |
| 3. | Release of haemozoin due to rupture of RBCs by the parasite |
| 4. | Development of the adult trophozoite in the RBC |
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Interferons are secreted by:
| 1. | Virus infected cells | 2. | The viruses themselves |
| 3. | Natural killer cells | 4. | T helper cells |
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What word correctly denotes an enhanced reaction of the body's immune system to an antigen which is related to one previously encountered?
| 1. | Booster | 2. | Primary |
| 3. | Anamnestic | 4. | Magnified |
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Identify the incorrect statement regarding the cell-mediated immune response:
| 1. | It is mediated through the T lymphocytes |
| 2. | A large number of antibodies are secreted by activated T cytotoxic cells |
| 3. | It responds against cancer cells and viral infections |
| 4. | It is responsible for graft rejection |
Which of the following is not an auto-immune disorder in humans?
| 1. | Rheumatoid arthritis | 2. | Myasthenia gravis |
| 3. | Emphysema | 4. | Graves’ disease |
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