medical MCQs – Page 287

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

5721. Sterilisation control for moist heat is or The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using_______________?
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A. Using chemical indicator

B. Using non-pathogenic strain of clostridium tetani

C. Using methylene blue

D. using Bacillus stearo thermo philus

5722. Leptospirosis, all are true except______________?
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A. Incubation period is 10 days

B. It is sensitive to penicillin

C. Faeces & urine of rodents is the cause

D. Onset of IgM in 2 days

5723. Drumstick appearance is seen in______________?
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A. Cl. sphenoids

B. Cl. tetanomorphum

C. Cl. tetani

D. All of the above

5724. which of the following is anaerobic_______________?
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A. Pseudomonas

B. E.coli

C. Klebsiella

D. Bacteroides

5725. Dark ground microscopy is useful to identify______________?
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A. Chlamydiae

B. Spirochaetes

C. Rickettsiae

D. Mycoplasma

5726. Which of the following have the capability to produce extra cellular polysaccharides______________?
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A. Strep. Mutans

B. Strep. pyogenes

C. Enterococcus

D. Peptostreptococcus

5727. The commonly used fluorescent dye in the detection of tubercie bacilli________________?
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A. Auramine and Rhodamine

B. Congo red

C. Thioglavin

D. Acridine orange

5728. Immunoglobulin consists of________________?
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A. 1 heavy, 2 light chains

B. 3 light, 1 heavy chain

C. 1 light, 1 heavy chain

D. 2 light, 2 heavy chains

5729. The genetic ability of a bacterium to grow in the presence of several antibiotics is passed in vivo from one bacterium to another by_____________?
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A. Conjugation

B. Rarefaction

C. Transformation

D. Transduction

5730. Which of the following are non-spore forming anaerobic bacteria that asume major significance in disease processes________________?
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A. Fusobacterium nucleatum

B. Bacteroides fragilis

C. Actinomyces Israeli

D. Peptostreptococcus anaerobius

E. All of the above

5731. Multiple drug resistance of bacteria depends on which of the following_______________?
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A. Colicigenic factor (Col)

B. Fertility factor (F+)

C. All of the above

D. Resistance transfer factor (RTF)

5732. Following are the characteristics of Vincents angina EXCEPT_______________?
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A. Caused due to malnutrition

B. Ulcerative gingivostomatitis

C. A symbiotic infection

D. Caused by leptospira interrogans

5733. The diagnostic investigation for syphilis is__________________?
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A. TPI test

B. VDRL test

C. TPHA test

D. FTAB test

E. Both C & D

5734. Culture medium for corynebacterium diphtheria______________?
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A. Mc Conkey

B. Loefflers serum slope

C. Lowenstein Jensen Medium

D. Saborauds agar

5735. Which is not true about vibrio cholera_________________?
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A. Grows on simple media

B. Man is the only natural host

C. It is non-halophilic

D. Cannot survive in extracellular environment

5736. Actinomycosis is caused by______________?
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A. Acid fast, non-motile bacillus

B. Anaerobic, gram positive, non-acid fast bacteria.

C. Retrovirus

D. Fungus

5737. Common inhabitant of throat and tonsils is______________?
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A. Beta hemolytic streptococci

B. Alpha hymolytic streptococci (S. viridans)

C. Pneumococci

D. Staphylococci

5738. Commonest mycobacterial infection in tropical countries_______________?
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A. Kansasi

B. M. tuberculosis

C. M. leprae

D. M. avium intracellulare

5739. Phage conversion is required for________________?
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A. Tularemia

B. Diptheria

C. All o f the above

D. Gonorrhoea

5740. Which of the following antibacterial substance is present in eggs and saliva ?
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A. Albumin

B. Lysozyme

C. Secretozyme

D. Isozyme

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