Cirrhosis of liver is a complication of chronic abuse of:
1. | Alcohol | 2. | Nicotine |
3. | Morphine | 4. | Benzodiazepines |
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 |
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. |
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 |
The name Mary Mallon is associated with:
1. | Tuberculosis | 2. | Typhoid |
3. | Leprosy | 4. | Rabies |
Ringworm is not caused by:
1. | Trichoderma | 2. | Microsporum |
3. | Trichophyton | 4. | Epidermophyton |
Interferons are secreted by:
1. | Virus infected cells | 2. | The viruses themselves |
3. | Natural killer cells | 4. | T helper cells |
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 |
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 |