medical MCQs – Page 106

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 Review each marked answer and report any item that may be outdated or unclear.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

2101. Steam under pressure in used in ________ sterilization?
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A. Pasteurization

B. Kochs sterilizer

C. hot air oven

D. Autoclave

2102. A veterinary doctor had pyrexia of unknown origin His blood culture in special laboratory media was positive for gram negative short bacilli which was oxidase positive. Which one of the following is the likely organism grown in culture ?
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A. Pasturella spp

B. Bartonella spp

C. Brucella spp

D. Francisella spp

2103. Robertsons cooked meat medium is best suited for cultivation of_______________?
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A. Clostridia

B. Mycobacterium

C. Choleria

D. S. epidermidis

2104. B.C.G untrue is_____________?
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A. All of the above

B. Orally administered

C. T.B vaccine

D. live vaccine

2105. VDRL is a________________?
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A. Slide flocculation test

B. Latex agglutination test

C. Tube flocculation test

D. Tube agglutination test

2106. Which of the following is not a kochs postulate ?
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A. Pure cultures can be obtained

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

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

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

2107. Which of the following is an enrichment medium________________?
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A. Nutrient Broth

B. Selenite F Broth

C. Mac Conkey agar

D. Blood agar

2108. Which of the following structures, found external to the bacterial cell wall, are involved in bacterial attachment to cell surfaces?
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A. Pili

B. Capsule

C. Mesosomes

D. Flagella

2109. The most primitive mode of gene transfer occurs by____________?
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A. Cell fusion

B. Transduction

C. Conjugation

D. Translation

2110. The reaginic antibody is________________?
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A. IgD

B. IgG

C. IgA

D. IgE

2111. Loss of capsule in bacteria is generally associated with______________?
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A. Inability to spread through tissue

B. increase in invasiveness

C. Loss of infectivity

D. Decease in virulence

2112. Rideal Walker test is used to determine the efficiency of the_____________?
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A. Antibiotics

B. Moist heat sterilisation

C. Dry heat sterilization

D. Disinfectant

2113. False +ve for VDRL is seen in______________?
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A. Yaws

B. All of the above

C. Malaria

D. Lepromatous Leprosy

2114. 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. Arthus phenomenon

B. Anaphylaxis

C. Serum sickness

D. Atopy

2115. Exaltation is________________?
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A. No change

B. Increased Virulence

C. Decreased virulence

D. None

2116. The exact part of the antigen that reacts with the immune system is called as_____________?
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A. Idiotope

B. Paratope

C. Clone

D. Epitope

2117. Human immunoglobulins are divided based on_____________?
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A. None of the above

B. Functional differences

C. Complemented fixation

D. Structural differences

2118. Most of the drug resistances occurs due to_____________?
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A. Transformation

B. Mutation

C. conjugation

D. Transduction

2119. Hot air oven is used for sterilization of all EXCEPT__________________?
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A. Liquid paraffin

B. Rubber tubes

C. Glassware

D. Sharp instrument

2120. Complement binding immunoglobin via the classical pathway is_______________?
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A. IgG & igM

B. IgD & IgE

C. IgG & IgD

D. IgG & IgA

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