Staphylococcus MCQ 12+

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• The following toxins are produced by S. aureus
  ক

  Enterotoxin

  খ

  Toxic shock syndrome toxin

  গ

  Erythrogenic toxin

  ঘ

  Dermoneurotoxin

  ঙ

  Endotoxin
• Staphylococcal Enterotoxin
  ক

  Pre-formed

  খ

  Exotoxin

  গ

  Acid stable

  ঘ

  Common agent of food poisoning

  ঙ

  Heat labile
• Staphytococcus aureus has following toxins & enzymes
  ক

  Exfoliative toxin

  খ

  Enterotoxin

  গ

  Erythrogenic toxin

  ঘ

  Pyrogenic toxin

  ঙ

  Endotoxin
• Methicillin resistant staphylococcus aureus has the following characteristics
  ক

  Resistance to oxacillin

  খ

  Chromosome mediated drug resistance

  গ

  Susceptible to vancomycin

  ঘ

  High prevalence in ICU

  ঙ

  Presence of efflux pump
• Staphylococcus aureus causes the following toxin mediated diseases
  ক

  Food poisoning

  খ

  Scalded skin syndrome

  গ

  Toxic shock syndrome

  ঘ

  Scarlet fever

  ঙ

  Acute rheumatic fever
• Toxins produced by staphylococcus aureus
  ক

  Enterotoxin

  খ

  Toxic shock syndrome toxin (TSS

  গ

  Exfoliative toxin

  ঘ

  Erythrogenic toxin

  ঙ

  Endotoxin
• Virulence factors of Staphylococcus aureus are
  ক

  Protein A

  খ

  Lipase

  গ

  Exfoliative toxin

  ঘ

  M protein

  ঙ

  Endotoxin
• Exotoxins produced by Staphylococcus aureus are
  ক

  Enterotoxin

  খ

  Exfoliative toxin

  গ

  Toxic shock syndrome toxin

  ঘ

  Erythrogenic toxins

  ঙ

  Neurotoxin
• Methiciliin resistant Staphylococcus aureus (MRSA)
  ক

  Are sensitive to vancomycin

  খ

  Causes deep seated infection

  গ

  Is resistant to conventional antistaphylococcal antibiotics

  ঘ

  Is sensitive to linezolid

  ঙ

  Phase typing is done for epidemiological purpose
• Staphylococcal infection can cause
  ক

  Pneumonia

  খ

  Toxic shock syndrome

  গ

  Scarlet fever

  ঘ

  Increased ASO titre

  ঙ

  Transplacental transmission of infection
• Staphylococcus aureus causes
  ক

  Toxic epidermal necrolysis

  খ

  Boil

  গ

  Erysipelas

  ঘ

  Eschar

  ঙ

  Chancre
• Beta-carotene like yellow pigment is produced by
  ক

  Staphylococcus aureus

  খ

  Staphylococcus epidermidis

  গ

  Staphylococcus albus

  ঘ

  Staphylococcus saprophyticus

  ঙ

  Staphylococcus citrus