medical MCQs – Page 102

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 Review each marked answer and report any item that may be outdated or unclear.

2022. compared with autoclave, use of a dry heat over for sterilization has the following disadvantages______________?
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A. Time-consuming

B. Less effective

C. Causes instruments to rust

D. Causes sharp instruments to dull

2024. Plasmid__________________?
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A. Involved in multidrug resistance transfer

B. Involved in conjugation

C. Imparts capsule formation

D. Imparts pili formation

E. Both A & B
2025. The causative organism for cat-scratch disease is______________?
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A. Donovania granulomatis

B. Bartonella henselae

C. Hemophilia ducreya

D. Chlamydia trachomatis

2026. Pseudohphae are seen in____________?
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A. Candida albicans

B. Alternaria

C. Aspergillus

D. Osporium

2027. Endotoxins are produced by________________?
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A. Fungi

B. Virus

C. Gram +ve bacteria

D. Gram -ve bacteria
2028. One of the following staining methods is an example of negative staining_______________?
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A. Grams staining

B. Fontanas staining

C. Zheil-Neilsons staining

D. India ink preparation
2029. Cold sterilization refers to the process of sterilization by use of____________________?
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A. Ultrasonic vibrations

B. Infrared rays

C. Gamma rays

D. Ultra violet rays

2030. Sunlight acts as sterilizing agent because_________________?
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A. Heat

B. Ozone

C. short wave lenght

D. Long wavelength

2032. Best method of sterilizing disposable syringes_______________?
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A. U.V. rays

B. Boiling

C. Gamma rays

D. Hot air oven

2034. Moist heat kills all of the following EXCEPT_______________?
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A. Brucella

B. Salmonella

C. Mycobacterium

D. Coxiella burnetti
2035. The diagnosis of gonorrhea is established by_____________?
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A. Compliment fixation tests

B. Pili agglutination tests

C. All of the above tests

D. Haemagglutination tests

2037. Which of the following organisms does NOT react with grams stain ?
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A. Mycobacterium tuberculosis

B. Candida albicans

C. Streptococcus mutan

D. Actinomyces israelii

2038. Encapsulation in bacteria helps in__________________?
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A. Spore formation

B. Prevent their phagocytosis

C. Oxygen effect

D. Decreased virulence

2039. Each of the following viruses possesses an outer lipoprotein envelope except_____________?
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A. Human immunodeficiency virus

B. Papilloma Virus

C. Varicella Zoster Virus

D. Influenza Virus