Match the following items with the correct phrases. a. blood agar b. chocolate agar c. MacConkey agar d. phenylethyl alcohol agar e. Thayer-Martin agar Although Neisseria gonorrhoeae and Haemophilus influenzae will not grow on blood agar, they will grow on ____________________.
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1) Which of the following are appropriate media to set up for urines a) Sabouraud dextrose agar ( D) Blood agar plate (sheep) b) Chocolate ( E) Blood agar plate (sheep) and MacCkonkey c) MacCkonkey 2) Which of the following oxidase positive, Gram Negative diplococcus relies on its capsule to escape the hosts immune system a) N.gonnorhoeae and N.meningitidis ( C ) Neisseria gonnorhoeae b) Streptococcus pneumonia ( D) Neisseria meningitidis 3) Which of the following is mismatched a) Pseudomonas aeruginosa - infections for burn patients b) Group B streptococcus -can be present in healthy carriers c) Neisseria meningitids - scarlet fever d) Streptococcus pyogenes - necrotizing fasciitis 4) Which of the following are appropriate media to set up for throat and nasopharynx? a) Chocolate b) All of the responses are correct c) MacCkonkey agar d) Blood agar (sheep, cloumbia nalidixic acid, macCkonkey ) e) Columbia nalidixic (sheep), Columbia nalidixic acid and chocolate
Adi S.
1) Which of the following media is differential but not selective? a) None of the responses are correct b) Chocolate Agar c) Modified Thayer martin agar d) MaConkey Agar 2) Given the following set of culture media and procedure, identify the organism you are most likely attempting to isolate: Chocolate agar, Modified agar Thayer-martin agar, and gram stain A) Neisseria gonorrhoeae b) Haemophillus ducreyi 3) Sheep blood agar is classified as a) Both differential and enriched b) Enriched c) Differential d) Selective
Keemin L.
Chocolate agar: - is an enriched culture medium. - contains growth factors that have been released by lysis of red blood cells during production. - contains nutrients such as glucose and chocolate to support the growth of fastidious (fussy) microorganisms. - is a complex culture medium. - will support the growth of Neisseria meningitidis and Haemophilus influenzae. - will support the growth of Streptococcus pneumoniae and Enterovirus. - is produced by mixing blood with molten agar at a higher temperature than for the production of blood agar.
Sri K.
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