MCQOPTIONS
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MCQOPTIONS
This section includes 475 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.
| 351. |
Dry heat destroys microorganisms by_____________? |
| A. | Lysis |
| B. | Oxidation |
| C. | Hydrolysis of DNA |
| D. | Coagulation of proteins |
| Answer» C. Hydrolysis of DNA | |
| 352. |
Drumstick appearance is seen in______________? |
| A. | Cl. tetani |
| B. | Cl. tetanomorphum |
| C. | Cl. sphenoids |
| D. | All of the above |
| Answer» B. Cl. tetanomorphum | |
| 353. |
Dorset’s egg medium is used for cultivation of______________? |
| A. | Staphylococcus |
| B. | Streptococcus |
| C. | Gonococcus |
| D. | Mycobacterium |
| Answer» E. | |
| 354. |
Donovanosis, true is___________________? |
| A. | Caused by Calymmatobacterium granulomatis |
| B. | Lymphadenopathy is remarkable & diagnostic |
| C. | Penicillin is drug of choice |
| D. | Characterized by painful genital ulcers |
| Answer» B. Lymphadenopathy is remarkable & diagnostic | |
| 355. |
DNA covering material in a virus is called as________________? |
| A. | Capsomere |
| B. | Capsid |
| C. | Nucleocapsid |
| D. | Envelope |
| Answer» C. Nucleocapsid | |
| 356. |
Disinfection of the rooms can be done by using_______________? |
| A. | 20% phenol |
| B. | High efficiency particle arrestors |
| C. | 40% formaldehyde vapour |
| D. | Chlorine gas |
| Answer» D. Chlorine gas | |
| 357. |
Disinfection frees the surface from______________? |
| A. | Vegetative forms |
| B. | Spore forms |
| C. | Both of the above |
| D. | None of the above |
| Answer» B. Spore forms | |
| 358. |
Diphtheria is pathogenic only when infected with______________? |
| A. | Beta phage |
| B. | Alfa phage |
| C. | Lambda K12 |
| D. | Delta Phage |
| Answer» B. Alfa phage | |
| 359. |
Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________? |
| A. | wall |
| B. | nucleus |
| C. | membrane |
| D. | Capsule |
| Answer» D. Capsule | |
| 360. |
Dental Plaque adheres to tooth surface by________________? |
| A. | Dextran |
| B. | Epithelial cells |
| C. | Bacteria |
| D. | Sucrose |
| Answer» B. Epithelial cells | |
| 361. |
Dengue virus belongs to______________? |
| A. | Flavi virus |
| B. | Togaviridae |
| C. | Reoviridae |
| D. | Rhabdoviridae |
| Answer» B. Togaviridae | |
| 362. |
Dengue Hemorrhagic fever is caused by_____________? |
| A. | Virus |
| B. | Bacteria |
| C. | Parasite |
| D. | Bacteria superadded on virus |
| Answer» B. Bacteria | |
| 363. |
Dematophytes are fungi infecting________________? |
| A. | Subcutaneous tissue |
| B. | Systemic organs |
| C. | Nails, hair and skin |
| D. | Superficial skin and deep tissue |
| Answer» D. Superficial skin and deep tissue | |
| 364. |
Delhi boil refer to_______________? |
| A. | Solar Keratosis |
| B. | Malignant pustule |
| C. | L. Tropica sore |
| D. | Venereal ulcer |
| Answer» D. Venereal ulcer | |
| 365. |
Delayed tuberculin test response is due to_______________? |
| A. | B lymphocytes |
| B. | T lymphocytes |
| C. | Monocytes |
| D. | Histiocytes |
| Answer» C. Monocytes | |
| 366. |
Dark ground microscopy is useful to identify______________? |
| A. | Mycoplasma |
| B. | Chlamydiae |
| C. | Rickettsiae |
| D. | Spirochaetes |
| Answer» E. | |
| 367. |
Cytopathic effect is shown by_____________? |
| A. | Virus |
| B. | Bacteria |
| C. | Spirochete |
| D. | Anaerobe |
| Answer» B. Bacteria | |
| 368. |
Cysticercosis celluosae is caused by_____________? |
| A. | T. Solium |
| B. | Echinococcus granulosus |
| C. | T. Saginata |
| D. | nana |
| Answer» B. Echinococcus granulosus | |
| 369. |
Culture medium used for Bordatella pertussis is_________________? |
| A. | Wilson Blair medium |
| B. | Bile broth |
| C. | Bordet Gengou medium |
| D. | Robertson cooked meat medium |
| Answer» D. Robertson cooked meat medium | |
| 370. |
Culture medium for corynebacterium diphtheria______________? |
| A. | Loefflers serum slope |
| B. | Mc Conkey |
| C. | Saborauds agar |
| D. | Lowenstein Jensen Medium |
| Answer» B. Mc Conkey | |
| 371. |
Culture medium for corynebacterium diphtheria_______________? |
| A. | Loefflers serum slope |
| B. | Mc Conkey |
| C. | Saboraud agar |
| D. | Lowenstein Jensen medium |
| Answer» B. Mc Conkey | |
| 372. |
Culture media of candida is_________________? |
| A. | Methylene blue dextrose agar |
| B. | Saboraud’s medium |
| C. | Pingolevin |
| D. | All of the above |
| Answer» C. Pingolevin | |
| 373. |
Cough plate method is used to identify________________? |
| A. | Y. pestis |
| B. | Pertussis |
| C. | Mycoplasma |
| D. | M-Tuberculosis |
| Answer» C. Mycoplasma | |
| 374. |
Confirmatory test for HIV infection is a_______________? |
| A. | ELISA |
| B. | Immunodot |
| C. | RIPA |
| D. | Western Blot |
| Answer» E. | |
| 375. |
Components of innate immunity that are active against viral cells includes______________? |
| A. | NK Cells |
| B. | Cytotoxic T cells |
| C. | B cells |
| D. | Memory B cells |
| Answer» B. Cytotoxic T cells | |
| 376. |
Complement factor through which common pathway begins___________________? |
| A. | C3 |
| B. | C5 |
| C. | C2 |
| D. | Protein B |
| Answer» B. C5 | |
| 377. |
Complement binding immunoglobin via the classical pathway is_______________? |
| A. | IgG & igM |
| B. | IgG & IgA |
| C. | IgG & IgD |
| D. | IgD & IgE |
| Answer» B. IgG & IgA | |
| 378. |
compared with autoclave, use of a dry heat over for sterilization has the following disadvantages______________? |
| A. | Time-consuming |
| B. | Less effective |
| C. | Causes instruments to rust |
| D. | Causes sharp instruments to dull |
| Answer» B. Less effective | |
| 379. |
Commonest site of extra intestinal amoebiasis is___________________? |
| A. | Brain |
| B. | Liver |
| C. | Spleen |
| D. | Lungs |
| Answer» C. Spleen | |
| 380. |
Commonest mycobacterial infection in tropical countries_______________? |
| A. | M. leprae |
| B. | M. avium intracellulare |
| C. | M. tuberculosis |
| D. | Kansasi |
| Answer» D. Kansasi | |
| 381. |
Common name for Trichuris trichura________________? |
| A. | Round worm |
| B. | Whip worm |
| C. | Tape worm |
| D. | Seat woman |
| Answer» C. Tape worm | |
| 382. |
Common inhabitant of throat and tonsils is______________? |
| A. | Alpha hymolytic streptococci (S. viridans) |
| B. | Staphylococci |
| C. | Beta hemolytic streptococci |
| D. | Pneumococci |
| Answer» B. Staphylococci | |
| 383. |
Cold sterilization refers to the process of sterilization by use of____________________? |
| A. | Ultra violet rays |
| B. | Ultrasonic vibrations |
| C. | Infrared rays |
| D. | Gamma rays |
| Answer» E. | |
| 384. |
Cold sterilization refers to the process of sterilization by use of______________? |
| A. | Ultra violet rays |
| B. | Ultrasonic vibrations |
| C. | Infrared rays |
| D. | Gamma rays |
| Answer» E. | |
| 385. |
Cleavage of IgG molecule by Papin gives rise to:One Fc fragment and two Fab fragments_______________? |
| A. | One Fc fragment and two Fab fragments |
| B. | One Fc fragment and four Fab fragments |
| C. | Two Fc fragments and two Fab fragments |
| D. | Two Fc fragment and one Fab fragment |
| Answer» B. One Fc fragment and four Fab fragments | |
| 386. |
Chlamydia causes all of the following except________________? |
| A. | Trachoma |
| B. | Non-gonococcal urethritis |
| C. | Pneumonia |
| D. | Parotitis |
| Answer» E. | |
| 387. |
Chemotactic cytokine is_________________? |
| A. | IL-1 |
| B. | IL-6 |
| C. | IL-8 |
| D. | TNF |
| Answer» D. TNF | |
| 388. |
Characters of exotoxin include all, except_______________? |
| A. | Protein polysaccharide complex |
| B. | Heat labile |
| C. | Highly potent |
| D. | Has specific tissue affinity |
| Answer» B. Heat labile | |
| 389. |
Characteristic feature of retrovirus is_____________? |
| A. | Ribonuclease |
| B. | Reverse transcriptase |
| C. | DNA polymerase |
| D. | Restriction endonuclease |
| Answer» C. DNA polymerase | |
| 390. |
Certain viruses have been isolated in crytalline form and have been found to be_____________? |
| A. | Nucleotides |
| B. | Phospholipids |
| C. | Scleroproteins |
| D. | Nucleoproteins |
| Answer» E. | |
| 391. |
Cell wall deficient bacteria are_______________? |
| A. | Escherichia Coli |
| B. | Staphylococci |
| C. | Spirochetes |
| D. | Mycoplasma |
| Answer» E. | |
| 392. |
CD4 count in normal healthy adult is_______________? |
| A. | 500 |
| B. | 200 |
| C. | 1000 |
| D. | 300 |
| Answer» D. 300 | |
| 393. |
CD4 cells recognize the antigens in association with_____________? |
| A. | MHC I |
| B. | MHC II |
| C. | MHC III |
| D. | B-cell receptor |
| Answer» C. MHC III | |
| 394. |
Causative organism of Kalahazar is_______________? |
| A. | Plasmodium ovaie |
| B. | Leishman donovani |
| C. | Entamoeba histolytica |
| D. | Toxoplasma |
| Answer» C. Entamoeba histolytica | |
| 395. |
Causative organism for gas gangrene_______________? |
| A. | Clostridium tetani |
| B. | Clostridium welchii |
| C. | Coli |
| D. | Strep. Faecalis |
| Answer» C. Coli | |
| 396. |
Causative agents of Vincent’s angina_____________? |
| A. | Borrelia vincenti and fusobacterium fusiformis |
| B. | Borrelia recurrents and bateroides |
| C. | Borrelia burgoloferi and lactobacillus |
| D. | Leptospira and Treponema pallidum |
| Answer» B. Borrelia recurrents and bateroides | |
| 397. |
Candidal hyphae can be stained using_______________? |
| A. | Van Gieson’s stain |
| B. | Periodic acid schiff stain |
| C. | Masson Trichrome stain |
| D. | Toluidine blue stain |
| Answer» C. Masson Trichrome stain | |
| 398. |
Candida is most often implicated in causation___________________? |
| A. | Conjunctivitis |
| B. | Tenea capitis |
| C. | Desert rheumatism |
| D. | Thrush |
| Answer» E. | |
| 399. |
Candida albicans causes all of the following except______________? |
| A. | Endocarditis |
| B. | Mycetoma |
| C. | Meningitis |
| D. | Oral thrush |
| Answer» C. Meningitis | |
| 400. |
cAMP reaction is shown by which streptococci ? |
| A. | Group A |
| B. | Group B |
| C. | Group C |
| D. | Group D |
| Answer» C. Group C | |