MDC1074 Quiz (Bacteria and Parasite)

Which of the following bacteria produce endotoxin?

• Streptococcus pneumoniae

• Staphylococcus aureus

• Corynebacterium diphtheriae

• Escherichia coli

• Clostridium botulinum

Select the most likely organism that has Protein A as its virulence factor?

• Staphylococcus aureus

• Staphylococcus epidermidis

• Streptococcus pneumoniae

• Streptococcus pyogenes

• Viridans group Streptococcus

Which of the following gram-negative bacteria presence in burn infection. It shows blue green pigmentation in centrimide agar.

• Pseudomonas aeruginosa

• Haemophilus influenzae

• Klebsiella pneumoniae

• Neisseria meningitidis

• Bordetella pertussis

Which of the following organism caused bloody diarrhea?

• Escherichia coli

• Salmonella enterica

• Vibrio cholerae

• Campylobacter jejuni

• Shigella dysenteriae

Which of the following organism is gram-negative coccobacilli causing epiglottitis?

• Bordetella pertussis

• Brucella melitensis

• Haemophilus influenzae

• Pasteurella multocida

• Moraxella catarrhalis

Which of the following is correctly classified as a non-suppurative, immune-mediated complication of Streptococcus pyogenes infection?

• Pharyngitis

• Scarlet fever

• Impetigo

• Acute glomerulonephritis

• Cellulitis

Streptococcus pneumoniae produces an enzyme that cleaves which type of antibody in the respiratory tract?

• IgA

• IgG

• IgE

• IgM

• IgD

Which of the following bacteria is spore-forming, gram positive rod producing lethal toxins?

• Bacillus cereus

• Listeria monocytogenes

• Clostridium perfringens

• Corynebacterium diphtheriae

• Bacillus anthracis

Which of the following is gram-positive cocci and positive in coagulase test?

• Staphylococcus aureus

• Staphylococcus epidermidis

• Staphylococcus saprophyticus

• Streptococcus agalactiae

• Streptococcus pyogenes

Which of the following is both a selective and differential culture medium?

• Nutrient agar

• MacConkey agar

• Blood agar

• Chocolate agar

• Sabouraud dextrose agar