medical MCQs – Page 282

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 Review each marked answer and report any item that may be outdated or unclear.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

5621. Which of the following viruses does not infect salivary glands ?
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A. HIV

B. Orthomyxovirus

C. Hepatitis C

D. Echo virus

5622. Function of Ig A is________________?
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A. Kills virus infected cells

B. Activates macrophages

C. Circulating antibody

D. Acts as a mucosal barrier for infection

5623. Opportunistic infection is caused by___________________?
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A. Mucor

B. Penicillium

C. Aspergillus

D. All of the above

5624. Which stage of plasmodium vivax is infective to mosquito______________?
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A. Zygote

B. Gametocyte

C. Merozoite

D. Sporozoite

5625. Dematophytes are fungi infecting________________?
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A. Nails, hair and skin

B. Systemic organs

C. Subcutaneous tissue

D. Superficial skin and deep tissue

5626. A woman with infertility receives an ovary transplant from her sister who is an identical Twin. What type of graft it is ?
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A. Isograft

B. Allograft

C. Xenograft

D. Autograft

5627. Portal of entry of poliovirus in mainly_______________?
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A. Nasal mucosa

B. Gastrointestinal tract

C. Lung

D. Skin

5628. Most sensitive test for antigen detection is_______________?
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A. ELISA

B. Passive hemaglutination

C. Immunoflourescence

D. Radioimmuno Assay

5629. Viruses can be isolated from clinical samples by cultivation in the following except_______________?
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A. Chemically defined media

B. Animals

C. Embryonated eggs

D. Tissue culture

5630. All of the following infections may be transmitted be dental instruments except____________?
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A. HIV

B. Hepatitis E

C. Hepatitis B

D. Hepatitis C

5631. Following are the characteristics of Cryptococcus neoformans EXCEPT________________?
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A. Basidiomycetes yeast

B. Melanin production related to virulence

C. Causes meningitis

D. Noncapsulated fungus infecting man

5632. Which of the following correctly indicates the infectivity of hepatitis virus in human ?
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A. HBeAg

B. Anti-HBS

C. Anti-HBC

D. HBCAg

5633. All are oncogenic except________________?
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A. EB virus

B. Varicella zoster virus

C. Papilloma virus

D. Herpes simplex virus

5634. Phase contrast microscopy is based on principle of__________________?
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A. Different refractive indices of object

B. Light attenuation

C. Light scattering

D. Different reflective indices of object

5635. Virus is cultured in_______________?
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A. Nonembryonated egg

B. Saubourds agar

C. Embryonated egg

D. Rogosa medium

5636. One virus particle prevents multiplication of 2nd virus. This phenomena is____________?
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A. Permutation

B. Supervision

C. Mutation

D. Viral interference

5637. The following statement is true regarding fungal infection__________________?
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A. Rhinosporidium causes deep infection in man

B. Dermatophyte infection are exclusively man to animal

C. Candida infection is usually endogenous

D. albicans is not pathogenic to lab animals

5638. DNA covering material in a virus is called as________________?
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A. Capsomere

B. Capsid

C. Nucleocapsid

D. Envelope

5639. The Process of attenuation can be achieved by all except___________________?
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A. Growing bacteria in adverse environment

B. Growing bacteria in unconventional host

C. Serial passage in an experimental host

D. Repeated cultures in artificial media

5640. Dengue Hemorrhagic fever is caused by_____________?
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A. Bacteria

B. Parasite

C. Virus

D. Bacteria superadded on virus

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