medical MCQs – Page 280

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 Review each marked answer and report any item that may be outdated or unclear.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

5581. Sterilization is a process in which_________________?
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A. Deactivate all pathogens not spores

B. Kill all non-pathogenic micro-organisms in the environment

C. Deactivate all spores and dill pathogenic organism

D. Kill all pathogenic micro-organisms

5582. The presence of Which of the following factors in viruses makes protective vaccines a possibility ?
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A. Protein coat

B. Polysaccharide

C. Lipids

D. Enzymes

5583. The term epitope refers to________________?
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A. complete antigen molecule

B. Smallest antigenic determinant

C. Hapten

D. Immunogen

5584. Prozone phenomenon is due to______________?
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A. Excess antigen

B. Hyper immune reaction

C. Excess antibody

D. Disproportionate antigen antibody levels

5585. Which of the following organisms does NOT react with grams stain ?
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A. Actinomyces israelii

B. Streptococcus mutan

C. Candida albicans

D. Mycobacterium tuberculosis

5586. Causative organism of Kalahazar is_______________?
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A. Leishman donovani

B. Toxoplasma

C. Entamoeba histolytica

D. Plasmodium ovaie

5587. The culture media used for cultivation of HSV is_____________?
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A. Chorio allantoic membrane

B. Sabourads agar

C. Chocolate agar

D. Robertosons cooked-meat broth

5588. The medium of choice for culturing yeast from of dimorphic fungi is_________________?
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A. Any medium incubated at 35-37C

B. Brain heart infusion

C. Sabourauds

D. Sabourauds plus antibiotics

5589. Injection abscesses due to use of contaminated vaccines occurs in infections caused by_______________?
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A. M. Kansasii

B. M. chelonae

C. M. smegmatis

D. M. ulcerans

5590. Donovanosis, true is___________________?
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A. Characterized by painful genital ulcers

B. Penicillin is drug of choice

C. Caused by Calymmatobacterium granulomatis

D. Lymphadenopathy is remarkable & diagnostic

5591. Presence of HBe Ag in Patients with hepatitis indicates_______________?
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A. Carrier status

B. Simple carriers

C. High infectivity

D. Late convalescence

5592. Virus are sharply differentiated from bacteria by_______________?
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A. Simple structure

B. All of the above

C. Presence of either DNA or RNA

D. Complex multiplication

5593. Which of the following is NOT a live attenuated vaccine ?
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A. Varicella Zoster virus

B. Tuberculosis (BCG)

C. Typhoid

D. Cholera

5594. Hydatid cyst is__________________?
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A. Congenital

B. Fungal

C. Viral

D. Parasitic in nature

5595. Australia antigen is associated with________________?
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A. AIDS

B. Hepatitis B surface antigen in acute hepatitis

C. Basal cell carcinoma

D. Chronic leukemia

5596. Secondary response is mediated by_______________?
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A. IgA

B. IgG

C. IgE

D. IgM

5597. HIV is transmitted by all of the following routes except________________?
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A. Blood transmission

B. Needle prick injury

C. Sexual intercourse

D. Saliva

5598. Half-life of free HIV in plasma is________________?
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A. 24 hours

B. 12 hours

C. 6 hours

D. 3 months

5599. The reaginic antibody is________________?
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A. IgD

B. IgG

C. IgA

D. IgE

5600. Normal ratio of CD4 (T4) : CD8 (T8) is_________________?
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A. 1:02

B. 2:1

C. 1:03

D. 3:01

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