MCQOPTIONS
Saved Bookmarks
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.
| 401. |
By using phase contrast microscope_______________? |
| A. | Internal structures are differentiated in living cells |
| B. | Internal structures are differentiated in dead cells |
| C. | Internal metabolic activities can be observed |
| D. | External capsule formation can be observed |
| Answer» B. Internal structures are differentiated in dead cells | |
| 402. |
Both intranuclear and intracytoplasmic inclusions are present in which of the following viruses_____________? |
| A. | Pox virus |
| B. | Measles virus |
| C. | Hepatitis B virus |
| D. | HIV |
| Answer» C. Hepatitis B virus | |
| 403. |
Borrelia vincenti is always associated with______________? |
| A. | Spirochaetes |
| B. | Fusiform bacilli |
| C. | Treponema vincenti |
| D. | None of the above |
| Answer» C. Treponema vincenti | |
| 404. |
Borelia vincenti is a______________? |
| A. | Mycoplasma |
| B. | Mycobacteria |
| C. | Spirochaete |
| D. | Chlamydia |
| Answer» D. Chlamydia | |
| 405. |
Blood agar is________________? |
| A. | Simple media |
| B. | Transport media |
| C. | Enriched media |
| D. | Differential media |
| Answer» D. Differential media | |
| 406. |
Black water fever is caused by______________? |
| A. | Plasmodium vivax |
| B. | Plasmodium falciparum |
| C. | Leishmania donovani |
| D. | Microfilaria |
| Answer» C. Leishmania donovani | |
| 407. |
Black pigmented anaerobes include all of the following except______________? |
| A. | Tannerella |
| B. | Porphyromonas |
| C. | Buccae |
| D. | Prevotella |
| Answer» D. Prevotella | |
| 408. |
Best method of sterilizing disposable syringes_______________? |
| A. | Hot air oven |
| B. | U.V. rays |
| C. | Gamma rays |
| D. | Boiling |
| Answer» D. Boiling | |
| 409. |
B.C.G untrue is_____________? |
| A. | live vaccine |
| B. | T.B vaccine |
| C. | Orally administered |
| D. | All of the above |
| Answer» D. All of the above | |
| 410. |
Bacteriophage was discovered by_________________? |
| A. | Robert koch |
| B. | Twort and d’herelle |
| C. | Menkin |
| D. | Metchinkoff |
| Answer» C. Menkin | |
| 411. |
Bacterial spores are destroyed by_______________? |
| A. | Boiling at 100°C |
| B. | Disinfection by hypochlorite solution |
| C. | Autoclave |
| D. | Pasteurisation |
| Answer» D. Pasteurisation | |
| 412. |
Bacterial species which is protective or beneficial to the host is_______________? |
| A. | Streptococcus sanguis |
| B. | Porphyromonas gingivalis |
| C. | Treponema denticola |
| D. | Spirochetes |
| Answer» B. Porphyromonas gingivalis | |
| 413. |
Bacterial cell does not possess___________________? |
| A. | dna |
| B. | Ribosome |
| C. | Mitochondria |
| D. | Cell wall |
| Answer» D. Cell wall | |
| 414. |
Bacteria with tuft of flagella at one end are called_______________? |
| A. | Monotrichate |
| B. | Peritrichate |
| C. | Bipolar |
| D. | Lophotrichate |
| Answer» E. | |
| 415. |
Bacteria with potent exotoxin is_______________? |
| A. | Clostridium tetani |
| B. | Pseudomonas |
| C. | Shigella |
| D. | Klebsiella |
| Answer» B. Pseudomonas | |
| 416. |
Bacteria reproduce mainly by______________? |
| A. | Budding |
| B. | Binary fission |
| C. | Sporing |
| D. | Bacterial components produced by host cells |
| Answer» C. Sporing | |
| 417. |
Bacteria acquire characteristics by all the following except_______________? |
| A. | Through plasmids |
| B. | Incorporating part of host DNA |
| C. | Through bacteriophages |
| D. | Through conjugation |
| Answer» C. Through bacteriophages | |
| 418. |
Bacteria acquire characteristics by all of the following except___________________? |
| A. | Though plasmids |
| B. | Incorporating part of host DNA |
| C. | Through bacteriophages |
| D. | through conjugation |
| Answer» C. Through bacteriophages | |
| 419. |
Babu, a 28 year old male comes with compaint of exposure 3 wks back, having cervical Lymphadenopathy, Hepatosplenomegaly. Diagnosis of HIV is done by____________? |
| A. | ELISA |
| B. | Western blot |
| C. | P24 antigen |
| D. | Lymph node biopsy |
| Answer» D. Lymph node biopsy | |
| 420. |
Baby born to mother suffering from AIDS, all are true except________________? |
| A. | Failure to thrive |
| B. | Have infections |
| C. | 50% chances to have AIDS |
| D. | All are true |
| Answer» D. All are true | |
| 421. |
Australian antigen is_______________? |
| A. | HB Ag |
| B. | HBs AG |
| C. | HBV |
| D. | None of the above |
| Answer» C. HBV | |
| 422. |
Australia antigen is associated with________________? |
| A. | Hepatitis B surface antigen in acute hepatitis |
| B. | AIDS |
| C. | Chronic leukemia |
| D. | Basal cell carcinoma |
| Answer» B. AIDS | |
| 423. |
ASO (Antistreptolysin 0) test is uesd for the diagnosis of________________? |
| A. | Rheumatoid arthritis |
| B. | Typhoid fever |
| C. | Rheumatie fever |
| D. | Rickettsial fever |
| Answer» D. Rickettsial fever | |
| 424. |
Asexual spores of fungi are following except_________________? |
| A. | Arthospores |
| B. | Chlamydospores |
| C. | Blastospores |
| D. | Ascospores |
| Answer» E. | |
| 425. |
Antigen used in Weil-Felix reaction______________? |
| A. | E.coli |
| B. | Haemophilus |
| C. | Proteus |
| D. | Staphylococcus |
| Answer» D. Staphylococcus | |
| 426. |
Antigen combining site of the antibody is____________________? |
| A. | Idiotope |
| B. | Paratope |
| C. | Epitope |
| D. | Hapten |
| Answer» C. Epitope | |
| 427. |
Antibody to HSV will begin to appear_____________________? |
| A. | in a week and reach a peak in 3 weeks |
| B. | only after one year |
| C. | no antibodies are present in primary HSV |
| D. | antibodies are present in recurrent and chronic apthous stomatitis |
| Answer» B. only after one year | |
| 428. |
Antibiotic sensitivity and resistance of micro organisms is determined by________________? |
| A. | Direct microscopy |
| B. | Culture |
| C. | ELISA |
| D. | DNA probe |
| Answer» C. ELISA | |
| 429. |
Anti HBsAB indicates______________? |
| A. | Resistance to hepatitis B |
| B. | Acute infection |
| C. | Good prognosis |
| D. | Hepatocellular carcinoma |
| Answer» D. Hepatocellular carcinoma | |
| 430. |
Anaphylaxis refers to the________________? |
| A. | Severe reaction following the injection of protein solution in a sensitized individual |
| B. | Severe reaction following primary injection of Protein solutions |
| C. | State of immunity developed by repeated injections of any foreign substance |
| D. | Severe reaction resulting from sensitivity to common allergens |
| Answer» B. Severe reaction following primary injection of Protein solutions | |
| 431. |
Anaerobic bacteria grow_______________? |
| A. | in the presence of oxygen |
| B. | in the presence of nitrogen |
| C. | in the absence of oxygen |
| D. | differential media |
| Answer» D. differential media | |
| 432. |
Anaerobic bacteria can be cultured in__________________? |
| A. | L-J medium |
| B. | Robertson cooked meat medium |
| C. | Loefflers medium |
| D. | Sabourauds agar |
| Answer» C. Loefflers medium | |
| 433. |
An oxidase-positive, gram-negative rod which produces a bluish-green pigment has been grown in culture from a swab obtained from an infected burn wound. This organism is susceptible to gentamicin, ticarcillin and tobramicin, but resistant to all the other antibiotics which of the following organisms is it likely to be ? |
| A. | Escherichia coli |
| B. | Klebsiella pnemoniae |
| C. | Proteus miribilis |
| D. | Pseudomonas aeruginosa |
| Answer» E. | |
| 434. |
An example of naturally acquired passive immunity is__________________? |
| A. | Hepatitis vaccination |
| B. | Gamma globulin injection |
| C. | Immune blood transfusion |
| D. | Placental transfer of antibodies |
| Answer» E. | |
| 435. |
An elderly male patient presented with fever, chest pain, and dry cough, sputum culture showed growth on charcoal yeast Extract Medium, theorganism is______________? |
| A. | H. influenza |
| B. | Moraxella catarrhalis |
| C. | Legionella |
| D. | Burkholderia cepacia |
| Answer» D. Burkholderia cepacia | |
| 436. |
Among The infectious diseases transmitted by food, one is___________________? |
| A. | Viral stomatitis |
| B. | Diptheria |
| C. | Tuberculosis |
| D. | Typhoid fever |
| Answer» E. | |
| 437. |
Amoebic liver abscess can be diagnosed by demonstratig________________? |
| A. | Cysts in the sterile pus |
| B. | Trophozoites in the pus |
| C. | Cysts in the intestine |
| D. | Trophozoites in the feces |
| Answer» C. Cysts in the intestine | |
| 438. |
All the following amoeba live in the large intestine except_________________? |
| A. | coli |
| B. | nana |
| C. | gingivalis |
| D. | histolytica |
| Answer» D. histolytica | |
| 439. |
All of the following organisms are known to survive intracellularly except_____________? |
| A. | Neisseria meningitides |
| B. | Salmonella typhi |
| C. | Streptococcus pyogenes |
| D. | Legionella pneumophila |
| Answer» D. Legionella pneumophila | |
| 440. |
All of the following lab tests can be used to distinguish streptococcus mutans from other oral streptococci, except______________? |
| A. | Gram staining |
| B. | Fermentation of mannitol and sorbital |
| C. | Production of intracellular and extracellular adherent polysacharide |
| D. | Colony morphology on saliva agar |
| Answer» B. Fermentation of mannitol and sorbital | |
| 441. |
All of the following infections may be transmitted be dental instruments except____________? |
| A. | HIV |
| B. | Hepatitis C |
| C. | Hepatitis B |
| D. | Hepatitis E |
| Answer» E. | |
| 442. |
All of the following are true of streptococcus except_____________? |
| A. | It’s group of lactic acid production bacteria |
| B. | Shows adherence to dental enamel |
| C. | Most common in humans |
| D. | Most common is animals |
| Answer» B. Shows adherence to dental enamel | |
| 443. |
All are true about widel test except________________________? |
| A. | Base lines differ depending on the endemicity of the disease |
| B. | O antibodiest last longer and hence is not indicative of recent infection |
| C. | H antigen cannot differentiate between subtypes |
| D. | High titre value in a single widal test is not confirmative |
| Answer» C. H antigen cannot differentiate between subtypes | |
| 444. |
All are true about legionella pneumophilia except______________? |
| A. | Aquatic bodies are main habitat |
| B. | It can replicate in amoeba |
| C. | Urine test is a reliable method |
| D. | Person to person transmission |
| Answer» E. | |
| 445. |
All are true about Entamoeba histolytica except________________? |
| A. | Cysts are 8 nucleated |
| B. | Cysts are 4 nucleated |
| C. | Trophozoites colonise in the colon |
| D. | The chromatid bodies are stained by iodides |
| Answer» B. Cysts are 4 nucleated | |
| 446. |
All are true about bordetella pertussis except______________? |
| A. | Most common cause is B. Petrussis |
| B. | It may occur in children and young adult after vaccination |
| C. | Bacteria culture from nasopharyngeal swab is the definitive diagnosis |
| D. | Presence of antibodies in serum in diagnostic of the disease |
| Answer» E. | |
| 447. |
All are seen in a cysts of E. histolytica except_____________? |
| A. | Glycogen mass |
| B. | Chromatid bars |
| C. | Eccentric nucleus |
| D. | Refractile nucleus |
| Answer» E. | |
| 448. |
All are oncogenic except________________? |
| A. | Anopheles |
| B. | Aedes |
| C. | Culex |
| D. | Mansoni |
| Answer» C. Culex | |
| 449. |
All are not true for cultivation of anaerobic organisms except_______________? |
| A. | Incubator |
| B. | anaerobic jar |
| C. | Refrigerator |
| D. | Centrifuge |
| Answer» C. Refrigerator | |
| 450. |
Aflatoxins are produced by________________? |
| A. | Aspergillus niger |
| B. | Aspergillus fumigatus |
| C. | Aspergillus flavus |
| D. | All of the above |
| Answer» D. All of the above | |