medical MCQs – Page 275

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 Review each marked answer and report any item that may be outdated or unclear.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

5481. Stain used to make the wetted area of filter paper strip more visible is_____________?
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A. Eosin stain

B. Blue stain

C. Ninhydrin stain

D. Haemotoxin stain

5482. Following reaction are produced by heterophil antigens except_____________?
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A. Paul bunnel reaction

B. Weil-Felix reaction

C. Forssman antigen antibody reaction

D. Widal reaction

5483. When horse serum is injected intravenoulsy in to a rabbit and again in to the skin two or three weeks later, what is the necrotizing reaction that occurs as the site of the second injection________________?
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A. Serum sickness

B. Atopy

C. Arthus phenomenon

D. Anaphylaxis

5484. Complement factor through which common pathway begins___________________?
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A. C3

B. C2

C. C5

D. Protein B

5485. Spores are disinfected by_______________?
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A. Glutaraldehyde

B. Betapropiolactone

C. Formaldehyde

D. Hexachlorophen

E. Both A & C

5486. CD4 count in normal healthy adult is_______________?
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A. 1000

B. 500

C. 300

D. 200

5487. Bacterial cell does not possess___________________?
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A. Mitochondria

B. Ribosome

C. dna

D. Cell wall

5488. IL-1 and TNF a during inflammation are secreted by______________?
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A. Lymphocytes

B. Platelet

C. Activated macrophages

D. Plasma cells

5489. Fungus capable to forming fungal ball is ________________?
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A. Rhizopus

B. Aspergillus

C. Penicillium

D. Mucor

5490. Salivary protein, which prevents transmission of human immunodeficiency virus via saliva, is____________?
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A. Secretory IgA

B. Histidine rich proteins

C. Salivary leukocyte proteinase inhibitor

D. Sialoperoxidase

5491. Virus infected cell is killed by________________?
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A. Interferons

B. Autolysis

C. Macrophages

D. Neutrophils

5492. Which of the following is not a kochs postulate ?
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A. Pure cultures can be obtained

B. The bacteria should be able to be isolated from a diseased tissue

C. When inoculated in experimental animals bacteria may or may not cause disease

D. Bacteria should be able to be isolated from the diseased tissue in the experimental animals

5493. Antigen combining site of the antibody is____________________?
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A. Hapten

B. Epitope

C. Idiotope

D. Paratope

5494. True about immune response of hepatitis B is__________________?
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A. CMI disappears soon after recover

B. Antibody to HBC is not protective

C. Highest titres of anti HBC are found in persistent carriers of HBs Ag

D. Antibody of HBs Ag is associated with resistance to infection

5495. Serological study for prevalence of Hepatitis B is best done by______________?
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A. Core antigen

B. Surface antigen

C. Core antibody

D. Surface antibody

5496. The best skin disinfectant is________________?
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A. Chlorhexdine

B. Alcohol

C. Savlon

D. None of the above

5497. Transmission of all of the following intestinal parasites takes place by the feco-oral route except______________?
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A. Strongyloides

B. Giardia lambia

C. Ascaris lumbriocoides

D. Entamoeba

5498. Babu, a 28 year old male comes with compaint of exposure 3 wks back, having cervical Lymphadenopathy, Hepatosplenomegaly. Diagnosis of HIV is done by____________?
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A. P24 antigen

B. Lymph node biopsy

C. ELISA

D. Western blot

5499. The distinguishing characteristic of a positive delayed type hypersensitivity skin test is______________?
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A. Erythema

B. Vasculitis

C. Induration

D. Necrosis

5500. The best way of detecting the presence of viruses in the infected cell culture is____________?
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A. Haemagglutination inhibition test

B. Cytopathic changes in culture cells

C. Presence of viral protein in the infected monolayer

D. Haemagglutination test

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