Q. No.Consider the given two statements:
I:
Rhinovirus, the most common virus causing common cold has a tendency to affect the upper respiratory tract.
II:
The mucosa associated lymphoid tissue is not present in the upper respiratory tract.
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect
Consider the given two statements:
| I: | The acquired immune response is called "adaptive". |
| II: | In acquired immunity, pathogen-specific receptors are "acquired" during the lifetime of the organism. |
1. Both I and II are correct and II explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct and II is incorrect.
4. Both I and II are incorrect.
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 |
All the following diseases can be caused by a bacterial infection except:
| 1. | Dysentery | 2. | Diphtheria |
| 3. | Plague | 4. | African sleeping sickness |
Which of the following cells can phagocytose microbes only in tissues?
| 1. | Neutrophil | 2. | Natural killer cells |
| 3. | Macrophages | 4. | Monocytes |
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 |
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