A throat swab was obtained from a patient with Strevtouocoal plur expusted on bl

Question

A throat swab was obtained from a patient with Strevtouocoal plur expusted on blood agar from the throat culture? Alpha hemolysis c. No hemolysis d It can be either A or C 7. The species of streptococcus that causes pharyngitis or "Strep throar is a Streptococcus pneumonia b Streptococcus agalactiae Steptococcus faecium Streptococcus pyogenes e. Streptococcaus martans 18. The pH indicator used in sugar fermentation tubes is: a. Neutral red b, Methyl red O Phenol red d. Bromothymol blue e. None of the above 19. Kligler's Iron agar, because of its composition, can be used for which ofthe following applications? a. Testing for Hydrogen Sulfide production b. Testing for Glucose fermentation c. Testing for Lactose fermentation Can be used for all of the above 20. A positive reaction for Citrate utilization will produce a color change A From deep blue green red to yellow c. From colorless to red d. From green to deep blue Answer True (A) or False (B) to the following questions LA bacterial culture grown in Nitrate broth gives a red coloration on addition ofNitrate teagents Aand B 21 This indicates positive reaction for Nitrate oxidation Deaminases are enzymes responsible for degradation of proteins Phenol red produces a red color in alkaline pH Methyl red Gas production during fermentation can be detected using the indicator 24 present as cocci in clusters 25. All members of the genus Staphylococci Pseudomonas aeruginosa is positive for oxidase activity Hydrogen Peroxide is the reagent of choice for detecting oxidase activity 26, Streptococcus agalactiae is classified Group B beta hemolytic Strept Iyogenes is classified as Group Aalpha hemolytic 28 Staphylococcus aureus is both mannitol fermenting and coagulase positive 29 30.

Explanation / Answer

16)a

17)d

18)c

19)d

20)b

21)F

22)F

23)T

24)T

25)T

26)T

27)T

28)T

29)T

30)T

31)D

32)A

33)B

34)E

35)C

36)A

37)D

38)C

39)B

40)E

41)C

42)E

43)FALSE

44)TRUE

45)FALSE

46)FALSE

47)FALSE

48)FALSE

49)TRUE

50)TRUE

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