Health Care > EXAM > MICROPARA QUESTIONS AND ANSWERS 2023 (All)

MICROPARA QUESTIONS AND ANSWERS 2023

Document Content and Description Below

MICROPARA QUESTIONS AND ANSWERS 1. Which of the following reagents is added to detect the production of indole? A. p-dimethylaminobenzaldehyde C. Bromcresol purple B. MR D. Cytochrome oxidase 2... . Which genera are positive for phenylalanine deaminase? A. Enterobacter, Escherichia and Salmonella C. Morganella, Providencia and Proteus B. Klebsiella and Enterobacter D. Proteus, Escherichia and Shigella 3. An isolate of E.coli recovered from the stoll of a patient with severe bloody diarrhea should be tested for what sugar before sending to a reference laboratory for serotyping? A. Sorbitol B. Mannitol C. Raffinose D. Sucrose 4. Which genera of Enterobacteriacea are usually nonmotile at 36 oC? A. Shigella, Klebsiella and Yersinia B. Escherichia, Edwardsiella and Enterobacter C. Proteus, Providencia and Salmonella D. Serratia, Morganella and Hafnia 5. Which single test best separates Klebsiella oxytoca from Klebsiella pneumoniae? A. Urease C. Citreate B. Sucrose D. Indole 6. A visitor to South America returns with diarrhea, and infection with Vibrio cholerae is suspected. Select the bast media for recovery and identification of this organism. A. MaConkey agar C. TCBS agar B. Blood Agar D. Xylose lysine desoxycholate agar 7. What atmosphric condition is needed to recover Campylobacter spp. from specimens inoculated onto a Campy-selective agar at 35-37 oC and 42 oC? A. 5% O2, 10% CO2, and 85% N2` C. 20% O2, 20% CO2, and 60% N2 B. 10% O2, 10% CO2, and 80% N2 D. 20% O2, 5% CO2, and 75% N2 8. A mixture of slender gram-negative rods and coccobacilli with rounded ends was recovered from blood cultures from a patient following root canal surgery. Given the following results after 48 hours, what is the most likely organism? Catalase 0 Oxidase + Lysine decarboxylase 0 Indole 0 Urease 0 X and V requirement 0 Ornithine decarboxylase + Growth on BAP +, with pitting of agar Carbohydrates 0 Growth on MacConkey 0 [Show More]

Last updated: 2 years ago

Preview 1 out of 15 pages

Buy Now

Instant download

We Accept: