In the human body, cell-mediated immunity is carried
out by
(1) T-lymphocytes
(2) B-lymphocytes
(3) Erythrocytes
(4) Thrombocytes
Each of the following statements concerning pneumonia are correct, except
1. It is caused by Streptococcus pneumoniae and Hemophilus influenzae
2. Pneumonia bacteria grow better at 33°C than at 37°C, hence they tend to cause the disease in upper respiratory tract rather than the lower respiratory tract
3. Bacteria infects alveoli of lungs
4. In pneumonia finger nails turn bluish in colour
Select the option that completes the given analogy
Pneumonia : Streptococcus pneumoniae :: Typhoid : ________
1. Plasmodium falciparum
2. Haemophilus influenzae
3. Salmonella typhi
4. Wuchereria bancrofti
Select the incorrect match
1. Biological response – α-interferon modifiers
2. Insomnia – Benzodiazepines
3. Cannabis sativa – Smack
4. Metastasis – Malignant neoplasma
Cells of immune system that do not provide innate immunity are
1. T-lymphocytes
2. Neutrophils
3. NK cells
4. Macrophages
Choose the incorrect match with respect to disease, pathogen and its symptoms
Disease | Pathogen | Symptoms | |
1. | Amoebiasis | Entamoeba coli | Internal bleeding Blockage of intestinal passage |
2. | Filariasis | Wuchereria bancrofti | Swelling of lymphatic vessels of lower limbs |
3. | Malaria | Plasmodium falciparum | High fever with chills recurring every three days |
4. | Pneumonia | Haemophilus influenzae | Fever, cough, headache, alveoli filled with fluid |
Crack or coke interferes predominantly with the transport of
1. Glycine
2. Dopamine
3. GABA
4. Acetylcholine
Choose the odd one with respect to physical carcinogens
(1) Tobacco smoke
(2) Gamma rays
(3) UV rays
(4) X-rays
Complete the analogy by choosing the correct option.
Typhoid : Widal test : : HIV : _______
1. VDRL test
2. Schick test
3. ELISA test
4. Mantoux test
Which of the following statements is incorrect?
1. MALT constitutes about 50% of the lymphoid tissue in human body
2. The envelope of AIDS virus encloses RNA genome
3. Cancer cells show the property of contact inhibition
4. Chronic use of drugs and alcohol can damage nervous system and liver