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medical microbiology MCQ Cryptococcus negative staining capsule extrinsic incubation hapten glutaraldehyde late prosthetic valve endocarditis
Quick answer
- B - Capsule
- D - Extrinsic incubation period
- B - Needs a carrier to induce immune response
- D - 5% sulphuric acid
- C - IgE-mediated mast-cell degranulation
- C - Severe combined immunodeficiency (SCID)
- B - Graft-versus-host reaction
- B - Albert stain
- C - Does not provide nutrition to bacteria
- C - Artificial active immunity
- The mother is actively immunized with tetanus toxoid. Protection of the neonate occurs through transplacental maternal IgG.
- B - Streptococcus pyogenes
- D - Abdominal exploration for acute bacterial peritonitis or perforated viscus
- B - Haemophilus influenzae
- A - Low-level disinfection
- B - Broad-spectrum disinfectant; prolonged exposure is sporicidal
- B - Coagulase-negative Staphylococcus
- C - Just before the next antimicrobial dose
- A - Bone marrow culture
- C - Non-lactose fermenter
- Vibrio vulnificus is characteristically a lactose fermenter.
- A - Clonorchis sinensis1. B - Capsule
- D - Extrinsic incubation period
- B - Needs a carrier to induce immune response
- D - 5% sulphuric acid
- C - IgE-mediated mast-cell degranulation
- C - Severe combined immunodeficiency
- B - Graft-versus-host reaction
- B - Albert stain
- C - Does not provide nutrition to bacteria
- B - Natural passive immunity
- The mother develops artificial active immunity from toxoid, but neonatal protection occurs through transplacental maternal IgG, which is natural passive immunity.
- B - Streptococcus pyogenes
- D - Abdominal exploration for acute bacterial peritonitis or perforated viscus
- B - Haemophilus influenzae
- A - Low-level disinfection
- B - Broad-spectrum disinfectant; active against mycobacteria, fungi, viruses and vegetative bacteria; prolonged exposure is sporicidal
- B - Coagulase-negative Staphylococcus
- C - Just before the next antimicrobial dose
- A - Bone-marrow culture
- C - Non-lactose fermenter
- A - Clonorchis sinensis
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