American Society of Microbiology ABMM 認定 ABMM 試験問題:
1. A clinical microbiology laboratory is performing antimicrobial susceptibility testing on a Streptococcus pneumoniae isolate using broth microdilution. The lowest concentration of antibiotic that inhibits visible growth of the organism is reported as the:
A) Minimum inhibitory concentration (MIC)
B) Minimum bactericidal concentration (MBC)
C) Zone diameter
D) Breakpoint
2. A foodborne outbreak is suspected after several individuals who attended a potluck dinner develop nausea, vomiting, and abdominal cramps within 1-6 hours of eating. No fever or diarrhea is reported. The MOST likely bacterial toxin involved is:
A) Staphylococcal enterotoxin
B) Clostridium perfringens enterotoxin
C) Botulinum toxin
D) Shiga toxin
3. A research team is investigating the mechanisms of antifungal resistance in Candida albicans. They identify a strain that exhibits resistance to azole antifungal agents. Further analysis reveals overexpression of a specific ATP-binding cassette (ABC) transporter protein in the resistant strain. This mechanism of resistance involves:
A) Increased degradation of the azole antifungal agent within the fungal cell.
B) Alteration of the fungal ergosterol biosynthesis pathway, the target of azoles.
C) Modification of the fungal cell wall, preventing azole penetration.
D) Active efflux of the azole antifungal agent out of the fungal cell.
4. A patient with a history of travel to an area endemic for schistosomiasis presents with hematuria. Microscopic examination of a urine sediment reveals a large oval egg with a prominent terminal spine. The MOST likely causative agent is:
A) Schistosoma mekongi
B) Schistosoma mansoni
C) Schistosoma japonicum
D) Schistosoma haematobium
5. A microbiology laboratory receives a blood culture from a patient with suspected bacterial endocarditis. After
24 hours of incubation, Gram-positive cocci in clusters are observed on the Gram stain. Catalase test is positive, and coagulase test is negative. Further testing reveals susceptibility to novobiocin. The MOST likely organism is:
A) Staphylococcus aureus
B) Staphylococcus epidermidis
C) Staphylococcus saprophyticus
D) Staphylococcus lugdunensis
質問と回答：
| 質問 # 1 正解： A | 質問 # 2 正解： A | 質問 # 3 正解： D | 質問 # 4 正解： D | 質問 # 5 正解： B |
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