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 |
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. |
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 |
Which one of the following statements is correct?
1. | Patients, who have undergone surgery are given cannabinoids to relieve pain |
2. | Benign tumours show the property of metastasis |
3. | Heroin accelerates body functions |
4. | Malignant tumours may exhibit metastasis |
The letter T, in T- lymphocyte refers to:
1. thyroid
2. thalamus
3. tonsil
4. thymus
HIV that causes AIDS first starts destroying:
1. B-lymphocytes
2. leucocytes
3. thrombocytes
4. helper T-lymphocytes
A person suffering from a disease caused by Plasmodium, experiences chill and fever at the time when?
1. | The sporozites released from RBCs are being rapidly killed and broken down inside spleen |
2. | The trophozites reach maximum growth and give out certain toxins |
3. | The parasite after its rapid multiplication inside RBCs ruptures them, releasing the stage to enter fresh RBCs |
4. | The microgametocytes and megagametocytes are being destroyed by the WBCs |