BOC Microbiology

BOC MICROBIOLOGY EXAM 5 QUESTIONS WITH VERIFIED ANSWERS [ GUARANTEED A+] The aseptic collection of blood cultures requires that the skin be cleansed with: - 70% alcohol and 2% iodine or an iodophor. When cleansing the skin with alcohol and then iodine for the collection of a blood culture, the iodine (or iodophor) should remain intact on the skin for at least: - 60 seconds ©morren2024/2025.Year published 2024. What is the purpose of adding 0.025% to 0.050% sodium polyanetholsu...

BOC MICROBIOLOGY EXAM 4 WITH COMPLETE QUESTIONS AND ANSWERS [ GRADED A+] Biochemically, the Enterobacteriaceae are gram negative rods that: - Ferment glucose, reduce nitrate to nitrite, and are oxidase negative. THe ortho-nitrophenyl-Beta-galactopyranoside (ONPG) test is most useful when differentiating: - Shigella spp. from some strains of Escherichia coli The Voges-Proskauer (VP) test detects which end product of glucose fermentation? - Acetoin ©morren2024/2025.Year publishe...

BOC: MICROBIOLOGY EXAM 3 QUESTIONS WITH 100 CORRECT ANSWERS [ GRADED A+] >100,000 CFU/mL of a gram-negative bacilli were isolated on MacConkey from a urine specimen. Biochemical results are as follows: Glucose: acid, gas produced Indole: negative Urea: positive TDA: positive H₂S: positive ©morren2024/2025.Year published 2024. The organism is most likely: Morganella morganii Proteus mirabilis Proteus vulgaris Providencia stuartii - Proteus mirabilis Suscepti...

BOC MICROBIOLOGY EXAM 1 QUESTIONS WITH COMPLETE QUESTIONS AND ANSWERS [ GRADED A+] 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 - b. 10^3 CFU/mL The proper blood-to-broth ratio for blood cultures to reduce the antibacterial effect of serum in adults is: ©morren2024/2025.Year published 2024. a. 1:2 b. 1:3 c. 1:10 d. 1:30 - c. 1:10 ...

BOC MICROBIOLOGY FUNGI QUIZ WITH VERIFIED ANSWERS [ GRADED A+] The major features by which molds are routinely identified are: - Macroscopic characteristics and microscopic morphology A sputum specimen from a patient with a known Klebsiella pneumoniae infection is received in the laboratory for fungus culture. The proper procedure for handling this specimen is to: - Include media that have cyclohexamide and chloramphenicol added to inhibit bacterila organisms and saprophytic fungi....

BOC Microbiology Final Exam 2022 Study Guide with complete solution d (Chocolate agar and chocolate agar-based selective media should be used for recovery of Neisseria gonorrhoeae from urethral discharge. Chocolate agar provides the nutrients required by N gonorrhoeae and selective media contains antimicrobial agents that inhibits other organisms and permits recovery of pathogenic Neisseria.) 1) Proper media for culture of a urethral discharge from a man include: a. sheep blood and phenylet...

BOC Microbiology Final Exam 2022 Study Guide with complete solution d (Chocolate agar and chocolate agar-based selective media should be used for recovery of Neisseria gonorrhoeae from urethral discharge. Chocolate agar provides the nutrients required by N gonorrhoeae and selective media contains antimicrobial agents that inhibits other organisms and permits recovery of pathogenic Neisseria.) 1) Proper media for culture of a urethral discharge from a man include: a. sheep blood and phenylet...

BOC Microbiology Final Exam 2022 Study Guide with complete solution d (Chocolate agar and chocolate agar-based selective media should be used for recovery of Neisseria gonorrhoeae from urethral discharge. Chocolate agar provides the nutrients required by N gonorrhoeae and selective media contains antimicrobial agents that inhibits other organisms and permits recovery of pathogenic Neisseria.) 1) Proper media for culture of a urethral discharge from a man include: a. sheep blood and phenylet...