medical MCQs – Page 290

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 Review each marked answer and report any item that may be outdated or unclear.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

5781. Bacteria with potent exotoxin is_______________?
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A. Shigella

B. Pseudomonas

C. Klebsiella

D. Clostridium tetani

5782. First released immunoglobulin after primary immunization_______________?
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A. IgD

B. IgG

C. IgM

D. IgE

5783. Graves disease is an example of type immunologic response_________________?
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A. Type I

B. Type II

C. Type IV

D. Type III

5784. Serum sickness syndrome is an example of________________?
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A. Angioneurotic edema

B. Systemic arthus reaction

C. Anaphylactic

D. Cell-mediated immunity

5785. The specific test for Treponema pallidum is___________?
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A. TPHA

B. VDRL

C. Widal test

D. Kahns test

5786. Leprosy bacilli can be grown in_________________?
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A. Testes of albino rats

B. Foot paid on nine branded armadilo

C. Testes of guinea pig

D. Tail of guinea pig

5787. Borelia vincenti is a______________?
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A. Spirochaete

B. Mycoplasma

C. Chlamydia

D. Mycobacteria

5788. Rickettsiae__________________?
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A. Respond to tetracycline therapy

B. Transmitted by arthropod vectors

C. All of the above

D. Multiply within living cell

5789. Black pigmented anaerobes include all of the following except______________?
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A. Porphyromonas

B. Tannerella

C. Prevotella

D. Buccae

5790. Antigen used in Weil-Felix reaction______________?
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A. Staphylococcus

B. Proteus

C. Haemophilus

D. E.coli

5791. Resistance of Staphylococcus aureus is due to ________________________?
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A. Pleomorphism

B. Penicillin analogue production

C. Lack of nucleic acid in the cell wall

D. Elaboration of an enzyme that destroy penicillin

5792. 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. Mesosomes

C. Capsule

D. Flagella

5793. Actinomycetes is______________?
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A. Gram positive bacteria

B. Fungus

C. A yeast like form

D. Gram negative bacteria

5794. Loss of capsule in bacteria is generally associated with______________?
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A. increase in invasiveness

B. Decease in virulence

C. Inability to spread through tissue

D. Loss of infectivity

5795. Staphylococcus does not causes_______________?
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A. Abscess

B. Scarlet fever

C. Osteomyelitis

D. Pneumonia

5796. Toxic shock syndrome is due to the following virulence factor_____________?
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A. Carbohydrate cell wall

B. Pyrogenic exotoxin

C. M protein

D. Streptolysin 0

5797. Signs of tyhoid fever is/are_____________________?
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A. Haemorrhage

B. All of the above

C. perforation

D. Osteomyelitis

5798. In a patient with typhoid, diagnosis after 15 days of onset of fever is best done by_____________?
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A. Widal test

B. Urine culture

C. Blood culture

D. Stool culture

5799. Each of the following can cause food poisoning except________________?
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A. Cl. welchii

B. Cl. difficile

C. Cl. botulinum

D. Staphylococcus

5800. IL-1 is produced by_________________?
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A. Helper B cells

B. Helper T cells

C. Monocytes

D. Macrophages

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