34. This type of medium was used to prepare tubes not primarily used for the cul

Question

34. This type of medium was used to prepare tubes not primarily used for the cultivation of anaerobes but to determine the oxygen requirements of different bacteria. a. Fluid thioglycollate medium b. TGY A shake c. Brewer's agar d. Nutrient agar 35. A solid medium used in lab to culture anaerobes in petri dishes containing thioglycollate, a reducing agent, and resazurin, an oxidation/reduction indicator is a. Fluid thioglycollate medium b. Brewer's agar c. Trypticase soy agar d. All of the above 36. The most common cause of a urinary tract infection is a E.coli b. S aureus c P.vulgaris d. B. cereus 37. Which of the following tubes represents the growth of a facultative organism such as E. coli? 2 3 a. Tube I b. Tube 2 c. Tube 3 d. Tube 4 38. Natural antimicrobial agents produced by bacteria and fungi are a) Endospores b) Antibiotics c) Antibodies d) All of the above 39. A test used for measuring the effectiveness of certain antimicrobials against pathogens is the a. Dorner method b. Kirby Bauer method c. Streak plate method d. None of the above 40. Which antibiotic below is the most effective against the pathogen growing on the petri dish?

Explanation / Answer

34. Option a. Thioglycolate medium uses oxygen and allows the growth of anaerobes

35. Option b. Brewer's agar

36. Option a. E. coli

37. Option c. Tube 3

38. Option b. Antibiotics

39. Option b. Kirby-Bauer method. It is also called agar disc diffusion method.

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