MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Highest incidence of anemia in the tropics is due to______________? |
| A. | Hook worm |
| B. | Thread worm |
| C. | Ascaris |
| D. | Guinea worm |
| Answer» B. Thread worm | |
| 2. |
Herpes virus_____________? |
| A. | Acquires its envelope from nuclear membrane |
| B. | Acquires its envelope from nucleolar membrane |
| C. | Acquires its envelope from cytoplasmi membrane |
| D. | None of the above |
| Answer» B. Acquires its envelope from nucleolar membrane | |
| 3. |
Hepatitis C virus belongs to which one of the following virus groups ? |
| A. | Picorna viruses |
| B. | Herpes viruses |
| C. | Hepadana viruses |
| D. | Flavi viruses |
| Answer» E. | |
| 4. |
Hepatitis B infection spreads through all of the following routes except______________? |
| A. | Blood transfusion |
| B. | Sexual contact |
| C. | Faeco oral route |
| D. | Perinatal transmission |
| Answer» D. Perinatal transmission | |
| 5. |
Hepatitis A virus is best diagnosed by______________? |
| A. | IgM antibodies in serum |
| B. | Isolation form stool |
| C. | Culture from blood |
| D. | Isolation from bile |
| Answer» B. Isolation form stool | |
| 6. |
Haptane is_______________? |
| A. | Same as epitopes |
| B. | Carrier required for specific antibody production |
| C. | High molecular protein |
| D. | None of the above |
| Answer» C. High molecular protein | |
| 7. |
Half-life of free HIV in plasma is________________? |
| A. | 24 hours |
| B. | 6 hours |
| C. | 12 hours |
| D. | 3 months |
| Answer» C. 12 hours | |
| 8. |
Growth factor needed for Salmonella_________________? |
| A. | Tryptophan |
| B. | Niacin |
| C. | B-12 |
| D. | Citrate |
| Answer» B. Niacin | |
| 9. |
Group A carbohydrate of Str. pyogenes cross reacts with human_________________? |
| A. | Synovial fluid |
| B. | Myocardium |
| C. | Cardiac valves |
| D. | Vascular intima |
| Answer» D. Vascular intima | |
| 10. |
Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by_____________? |
| A. | Diphtheria |
| B. | Typhoid fever |
| C. | Rheumatic fever |
| D. | Syphilis |
| Answer» D. Syphilis | |
| 11. |
Grave’s disease is an example of type immunologic response_________________? |
| A. | Type I |
| B. | Type II |
| C. | Type III |
| D. | Type IV |
| Answer» C. Type III | |
| 12. |
Grape bunch shaped colonies are seen in______________? |
| A. | Streptococcus |
| B. | Staphylococcus |
| C. | E.coli |
| D. | Gonococci |
| Answer» C. E.coli | |
| 13. |
Granules in the corynebacterium diphtheria are called by following names, except______________? |
| A. | Metachromatic granules |
| B. | Refractile granules |
| C. | Babes Ernst granules |
| D. | Voluntin granules |
| Answer» C. Babes Ernst granules | |
| 14. |
Gram -ve bacteria stain during gram staining____________? |
| A. | Blue color |
| B. | Red color |
| C. | Green |
| D. | Colorless |
| Answer» C. Green | |
| 15. |
Graft versus host reaction is caused by_________________? |
| A. | B-Lymphocytes |
| B. | T-lymphocytes |
| C. | Monocytes |
| D. | Leukocytes |
| Answer» C. Monocytes | |
| 16. |
Glutaraldehyde is preferred more than formaldehyde because______________? |
| A. | It has got more bactericidal activity |
| B. | It has got more bacteriostatic activity |
| C. | It has got no deleterious effect on the cement and lenses of instruments |
| D. | Its application is easier |
| Answer» D. Its application is easier | |
| 17. |
Glasswares are sterilised by______________? |
| A. | Autoclaving |
| B. | Hot air oven |
| C. | Incineration |
| D. | Formaldehyde |
| Answer» C. Incineration | |
| 18. |
Germ tubes are formed mainly by_______________? |
| A. | Candida albicans |
| B. | Candida stellatoidea |
| C. | Candida tropicalis |
| D. | Candida pseudotropicalls |
| Answer» B. Candida stellatoidea | |
| 19. |
Fungus capable to forming fungal ball is ________________? |
| A. | Penicillium |
| B. | Aspergillus |
| C. | Mucor |
| D. | Rhizopus |
| Answer» C. Mucor | |
| 20. |
Fungal infection of human beings is called as_____________? |
| A. | Mucorsis |
| B. | Mycosis |
| C. | Fungosis |
| D. | Micromia |
| Answer» C. Fungosis | |
| 21. |
Function of T-lymphocyte is/are________________? |
| A. | Production of interferon |
| B. | Lymphokine production |
| C. | Rosette formation |
| D. | All of the above |
| Answer» E. | |
| 22. |
Function of Ig A is________________? |
| A. | Acts as a mucosal barrier for infection |
| B. | Circulating antibody |
| C. | Kills virus infected cells |
| D. | Activates macrophages |
| Answer» B. Circulating antibody | |
| 23. |
For uniform staining reaction, morphology and biochemical activity it is advisable to study bacterial cultures during the_____________? |
| A. | Lag phase |
| B. | Death phase |
| C. | Stationary phase |
| D. | Logarithmic phase |
| Answer» E. | |
| 24. |
For the treatment of case of class III dog bite, all of the following are correct except_____________? |
| A. | Give inmunoglobulins for passive immunity |
| B. | Give ARV |
| C. | Immediately stitch wound under antibiotic coverage |
| D. | Immediately wash wound with soap and water |
| Answer» D. Immediately wash wound with soap and water | |
| 25. |
Following reaction are produced by heterophil antigens except_____________? |
| A. | Forssman antigen antibody reaction |
| B. | Weil-Felix reaction |
| C. | Paul bunnel reaction |
| D. | Widal reaction |
| Answer» E. | |
| 26. |
Following is a retrovirus_____________? |
| A. | Immunodeficiency virus |
| B. | Influenza |
| C. | Polio virus |
| D. | Hepatitis virus |
| Answer» B. Influenza | |
| 27. |
Following hepatitis B infection through blood transfusion disease manifests in_____________? |
| A. | 1 week |
| B. | 6 week |
| C. | 3 months |
| D. | 6 months |
| Answer» B. 6 week | |
| 28. |
Following are the characteristics of Vincent’s angina EXCEPT_______________? |
| A. | Ulcerative gingivostomatitis |
| B. | Caused due to malnutrition |
| C. | A symbiotic infection |
| D. | Caused by leptospira interrogans |
| Answer» E. | |
| 29. |
Following are the characteristics of Cryptococcus neoformans EXCEPT________________? |
| A. | Noncapsulated fungus infecting man |
| B. | Causes meningitis |
| C. | Melanin production related to virulence |
| D. | Basidiomycetes yeast |
| Answer» B. Causes meningitis | |
| 30. |
Flash pasteurization of milk is done at what temperature______________? |
| A. | 125°C for new seconds |
| B. | 60°C for 15 minutes |
| C. | 72°C for 5 minutes |
| D. | 72° for 15 – 20 Sec |
| Answer» E. | |
| 31. |
First released immunoglobulin after primary immunization_______________? |
| A. | IgD |
| B. | IgE |
| C. | IgG |
| D. | IgM |
| Answer» E. | |
| 32. |
Fimbriae are demonstrated by ___________________? |
| A. | Culture |
| B. | Gram stain |
| C. | Biochemical reaction |
| D. | Haemagglutination test |
| Answer» E. | |
| 33. |
False +ve for VDRL is seen in______________? |
| A. | Yaws |
| B. | Lepromatous Leprosy |
| C. | Malaria |
| D. | All of the above |
| Answer» E. | |
| 34. |
Exotoxins are____________________? |
| A. | Lipid-polysaccharide complex |
| B. | Protein compound |
| C. | Lipoprotein |
| D. | None |
| Answer» C. Lipoprotein | |
| 35. |
Example of immune complex hyper-sensitivity reaction is______________? |
| A. | Atopic allergy |
| B. | Serum sickness |
| C. | Transfusion reaction |
| D. | Contact dermatitis |
| Answer» C. Transfusion reaction | |
| 36. |
Exaltation is________________? |
| A. | Decreased virulence |
| B. | Increased Virulence |
| C. | No change |
| D. | None |
| Answer» C. No change | |
| 37. |
Erysipelas is caused by________________? |
| A. | Group B staphylococci |
| B. | Group A steptococci |
| C. | Gonococci |
| D. | Pneumococci |
| Answer» B. Group A steptococci | |
| 38. |
Enterically transmitted NANB hepatitis B_____________? |
| A. | Hepatitis C |
| B. | Hepatitis D |
| C. | Hepatitis E |
| D. | Hepatitis F |
| Answer» D. Hepatitis F | |
| 39. |
Endotoxin have all but one of the properties given below_______________? |
| A. | Produced by gram negative bacteria |
| B. | Produced by gram positive bacteria |
| C. | Not secreted outside the cell |
| D. | Cannot be toxoided |
| Answer» C. Not secreted outside the cell | |
| 40. |
Endotoxins differ from exotoxins in that endotoxins______________? |
| A. | are proteins |
| B. | are heat labile |
| C. | are highly antigenic |
| D. | activate complement by the alternate pathway |
| Answer» E. | |
| 41. |
Endotoxins are produced by________________? |
| A. | Fungi |
| B. | Gram +ve bacteria |
| C. | Virus |
| D. | Gram -ve bacteria |
| Answer» E. | |
| 42. |
Endoscopes are sterilized by using_______________? |
| A. | Autoclaving |
| B. | Boiling |
| C. | Cidex |
| D. | Gamma radiation |
| Answer» C. Cidex | |
| 43. |
Encapsulation in bacteria helps in__________________? |
| A. | Spore formation |
| B. | Decreased virulence |
| C. | Prevent their phagocytosis |
| D. | Oxygen effect |
| Answer» D. Oxygen effect | |
| 44. |
ELISA test when compared to western blot technique is______________? |
| A. | Less sensitive less specific |
| B. | More sensitive, more specific |
| C. | Less sensitive, more specific |
| D. | More sensitive, less specific |
| Answer» E. | |
| 45. |
Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________? |
| A. | Cocci |
| B. | Spirochetes |
| C. | Bacteriophages |
| D. | Filamentous rods |
| Answer» C. Bacteriophages | |
| 46. |
EBV is responsible for all except______________? |
| A. | Nasopharyngeal carcinoma |
| B. | Burkitt’s lymphoma |
| C. | Hepatoma |
| D. | Infectious mononucleosis |
| Answer» D. Infectious mononucleosis | |
| 47. |
EBV causes all except_________________? |
| A. | Carcinoma of nasopharynx |
| B. | Papilloma |
| C. | Infectious mononucleosis |
| D. | Burkitt’s lymphoma |
| Answer» C. Infectious mononucleosis | |
| 48. |
Each of the following viruses possesses an outer lipoprotein envelope except_____________? |
| A. | Varicella Zoster Virus |
| B. | Papilloma Virus |
| C. | Influenza Virus |
| D. | Human immunodeficiency virus |
| Answer» C. Influenza Virus | |
| 49. |
Each of the following can cause food poisoning except________________? |
| A. | Cl. difficile |
| B. | Staphylococcus |
| C. | Cl. welchii |
| D. | Cl. botulinum |
| Answer» B. Staphylococcus | |
| 50. |
During the Window period of patient with AIDS_______________? |
| A. | ELISA IS – ve |
| B. | Western Blot is – ve |
| C. | Both are – ve |
| D. | PCR is – ve |
| Answer» D. PCR is – ve | |