medical MCQs – Page 293

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 Review each marked answer and report any item that may be outdated or unclear.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

5841. Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________?
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A. membrane

B. nucleus

C. Capsule

D. wall

5842. Test for differentiating virulent form non-virulent tubercular bacilli_____________?
0

A. Niacin test

B. Catalase peroxidase test

C. Aryl sulphatase test

D. Neutral red test

5843. The structure in involved in bacterial attachment to cell surface is_______________?
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A. Capsule

B. Fimbria

C. Flagella

D. None of the above

5844. Lepromin test is useful for________________?
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A. Epidemiology

B. Prognosis

C. Treatment plan

D. Diagnosis

5845. Which regards to temperature requirement, most pathogenic bacteria are_____________?
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A. Psychrophiles

B. Cryophiles

C. Mesophiles

D. Thermophiles

5846. A darkfield microscope would be useful in examining blood for_______________?
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A. Actinomyces

B. Treponema

C. Mycobacterium

D. Streptococcus

5847. Malignant pustule is referred to_________________?
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A. Facio-cervical actinomycosis

B. Cutaneous anthrax

C. None of the above

D. Infected squamous cell carcinoma

5848. Gram -ve bacteria stain during gram staining____________?
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A. Green

B. Red color

C. Colorless

D. Blue color

5849. The causative organism for cat-scratch disease is______________?
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A. Hemophilia ducreya

B. Chlamydia trachomatis

C. Donovania granulomatis

D. Bartonella henselae

5850. Rapid diagnosis of Tuberculosis is possible with_______________?
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A. Ziel Nelson

B. Kin Young stain

C. Giemsa stain

D. Auramine-Rhodamine stain

5851. Which of the following is true about tetanus acquired through traumatic wound ?
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A. Causes positive Nagler reaction

B. The patient should be given tetanus toxoid intravenously

C. The tetanospasmin component of the exotoxin act on the post-synaptic neurones and prevents impulse transmission

D. Clostridium tetani travels via the nerves to the anterior horn dells in spinal cord

5852. Which of the following provides best gurantee for sterlization in the heat sterilizer ?
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A. Determining the ability of a sterilizer to kill the hepatitis B virus

B. Recording a temperature/ pressure readings from sterilizer guage

C. Using a bacterial spore test

D. Using chemical indicator strip or pouch

5853. What is the transport medium for cholera___________________?
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A. B & C

B. Venkatraman Ramakrishnan Medium

C. Cary Blair Medium

D. Tellurite Medium

5854. Wasserman test test is diagnostic of__________________?
0

A. Tyhoid

B. TB

C. Syphilis

D. Gonorrhea

5855. Organism most frequently associated with urinary tract infections is_________________?
0

A. Neisseria gonorrhea

B. T-strain mycoplasma

C. Escherichia coli

D. Streptococcus fecalis

5856. Which of the following is an acid-fast bacillus_____________?
0

A. Mycobacterium bacilli

B. Treponema pallidum

C. Neisseria gonorrhea

D. All of the above

5857. The immediate type of hypersensitivity in which histamine doses not play a major role is______________?
0

A. Asthma

B. Anaphylaxis

C. Urticaria

D. Arthus reaction

5858. The major intestinal pathogens which are non-lactose fermenters are_________________?
0

A. Klebsiella

B. Paracolons

C. Salmonella

D. Escherichia

5859. One of the following is an agglutination test in the diagnosis of typhoid___________?
0

A. Wasserman test

B. Mantoux test

C. Widal test

D. Eleks test

5860. Endotoxins differ from exotoxins in that endotoxins______________?
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A. are highly antigenic

B. activate complement by the alternate pathway

C. are proteins

D. are heat labile

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