Where do the T-lymphocytes develop the ability to recognize self from non-self antigens?
1. | plasma cells | 2. | spleen |
3. | thymus | 4. | liver |
The term 'Health' is defined in many ways. The most accurate definition of health would be:
1. | Health is the state of body and mind in a balanced condition |
2. | Health is the reflection of a smiling face |
3. | Health is a state of complete physical, mental and social well-being |
4. | Health is the symbol of economic prosperity. |
The sporozoites that cause infection when a female Anopheles mosquito bites a person, are found in:
1. liver of the person
2. RBCs of mosquito
3. salivary glands of the mosquito
4. gut of the mosquito
AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV?
1. | Transfusion of contaminated blood |
2. | Sharing the infected needles |
3. | Shaking hands with infected persons |
4. | Sexual contact with infected persons |
Antibodies present in colostrum protects the newborn from certain diseases which are of:
1. | Ig G type | 2. | Ig A type |
3. | Ig D type | 4. | Ig E type |
Tobacco consumption is known to stimulate the secretion of adrenaline and nor-adrenaline. The component causing this could be:
1. | Nicotine | 2. | Tannic acid |
3. | Curamin | 4. | Catechin |
Identify the correct statement regarding typhoid fever in human beings:
1. | It is caused by a pathogenic protozoan Salmonella typhi |
2. | The pathogen remains confined to the small intestine |
3. | Widal test can confirm the infection very early in the disease |
4. | Intestinal perforation and death may occur in severe cases |
Rhinovirus does not affect:
1. | Lungs | 2. | Nose |
3. | Pharynx | 4. | Larynx |
The mechanical carrier of the causative agent of amoebic dysentery is:
1. | A protozoan | 2. | House fly |
3. | Mosquito | 4. | Rodent |
Aedes aegypti is not a vector for:
1. | Dengue | 2. | Chikungunya |
3. | Japanese encephalitis | 4. | Yellow fever |