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. |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
All the following diseases can be caused by a bacterial infection except:
1. | Dysentery | 2. | Diphtheria |
3. | Plague | 4. | African sleeping sickness |
The name Mary Mallon is associated with:
1. | Tuberculosis | 2. | Typhoid |
3. | Leprosy | 4. | Rabies |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Ringworm is not caused by:
1. | Trichoderma | 2. | Microsporum |
3. | Trichophyton | 4. | Epidermophyton |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following cells can phagocytose microbes only in tissues?
1. | Neutrophil | 2. | Natural killer cells |
3. | Macrophages | 4. | Monocytes |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Interferons are secreted by:
1. | Virus infected cells | 2. | The viruses themselves |
3. | Natural killer cells | 4. | T helper cells |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 |