Choose the odd one out, and justify your choice
1. Peptone, asparagines, L cysteine, glucose
2. Malachite green, glycerol, asparagines, methylene blue
3. Ferric citrate, magnesium citrate, ferric ammonium citrate
4. Increased dextrose, Proteus, decrease Ph, Rhizopus
5. Rabbit blood, trimethoprim, penicillin, Bordet Gengou
6. Sterile mineral oil, closed, Pseudomonas, fermentative
7. Trimethoprim, vancomycin, nystatin, colistin
8. Ox bile, brilliant green, K tellurite, blood
9. Bile salts, ox bile, sodium citrate
10. Black colour in oxidase, acid slant in TSI, red layer at top of SIM, negative citrate
11. E coli, Klebsiella, Proteus, Salmonella
12. Bacillus, Staphylococcus, Neisseria, E coli, Klebsiella
13. Pseudomonas, E coli, Alcaligenes, Streptococcus
14. 40%KOH, alpha naphthol, MRVP, p dimethylaminobenzaldehyde, methyl red reagent
15. Pink urease, low electrolytes, PAD pos, alkaline slant
answer to no 15. Don't look if you want to work it out yourself. Eyes closed??? here goes:
ReplyDeletepink urease is a positive reaction; suggests Proteus which is also PAD positive and because it is a NLF gives an alkaline slant on TSI.All fits togetehr therefore low electrolytes must be the odd one cos how is CLED related here. Though it could be.....