Widal test is carried out to test:
1. | Malaria | 2. | Diabetes mellitus |
3. | HIV/AIDS | 4. | typhoid fever |
Common cold differs from pneumonia in, that:
1. | Pneumonia is a communicable disease, whereas common cold is a nutritional deficiency disease |
2. | Pneumonia can be prevented by a live attenuated bacterial vaccine, whereas the common cold has no effective vaccine |
3. | Common cold is caused by a virus, while Pneumonia is caused by a bacterium. |
4. | Pneumonia pathogen infects alveoli whereas common cold affects the nose and the respiratory passage but not the lungs |
Which one of the following is not a property of cancerous cells, whereas the remaining three are?
1. They compete with normal cells for vital nutrients
2. They do not remain confined in the area of formation
3. They divide in an uncontrolled manner
4. They show contact inhibition
In which one of the following options the two examples are correctly matched with their particular type of immunity?
Examples | Type of immunity | |
(a) | Polymorphonuclear leukocytes and monocytes | Cellular barriers |
(b) | Anti-tetanus and anti-snake bite injection | Active immunity |
(c) | Saliva in mouth and tears in eyes | Physical barriers |
(d) | Mucus coating of the epithelium lining the urinogenital tract and HCl in the stomach | Physiological barriers |
Cirrhosis of the liver is caused by the chronic intake of:
1. Opium
2. Alcohol
3. Tobacco (chewing)
4. Cocaine
A certain patient, X, is suspected to be suffering from acquired immune deficiency syndrome. Which diagnostic technique will you recommend for its detection?
1. | MRI | 2. | Ultra Sound |
3. | WIDAL | 4. | ELISA |
At which stage of HIV infection does one usually shows symptoms of AIDS?
1. | When viral DNA is produced by reverse transcriptase. |
2. | When HIV replicates rapidly in helper T-lymphocytes and damages a large number of these. |
3. | Within 15 days of sexual contact with an infected person. |
4. | When the infecting retrovirus enters host cells. |
1. Tears
2. Monocytes
3. Skin
4. Epithelium of urogenital tract
1. | Red blood corpuscles of humans suffering from malaria |
2. | Spleen of infected humans |
3. | Salivary glands of a freshly moulted female anopheles mosquito |
4. | Saliva of an infected female anopheles mosquito |
Select the correct statement from the ones given below:
1. | Barbiturates when given to criminals make them tell the truth |
2. | Morphine is often given to persons who have undergone surgery as a painkiller |
3. | Chewing tobacco lowers blood pressure and heart rate |
4. | Cocaine is given to patients after surgery as it stimulates recovery |