Microbiology BOC Final Exam 2024.

Microbiology BOC Final Exam 2024. 1. Proper media for culture of a urethral discharge from a man include: a. sheep blood and phenylethyl alcohol agars b. eosin-methylene blue and sheep blood agars c. thioglycollate broth and chocolate agar d. chocolate and modified Thayer-Martin agars - correct answer d 2. A sheep blood agar plate inoculated with 0.001 mL of urine grows 70 colonies of Staphylococcus aureus. How many colony forming units per mL of urine should be reported? a. 70 b. 700 c. 7,000 d. 70,000 - correct answer d 3. The lowest concentration of antibiotic that inhibits growth of a test organism is the: a. minimum inhibitory concentration b. serum inhibitory concentration c. minimum bactericidal titer d. maximum inhibitory titer - correct answer a 4. Which of the following clean catch urine culture colony counts indicates the patient likely has a urinary tract infection? a. 10^1 CFU/mL b. 10^3 CFU/mL c. 10^5 CFU/mL d. no growth - correct answer b