The Primary Treatment for Giardiasis (Infection with Giardia),trichomoniasis (Infection with Trichomonas

question 29

Multiple Choice

The primary treatment for giardiasis (infection with Giardia) ,trichomoniasis (infection with Trichomonas vaginalis) ,and amoebic dysentery (infection with Entamoeba histolytica) is a drug marketed as Flagyl (generic name is metronidazole) .The drug also kills anaerobic gut bacteria.Consequently,which of these are cues that Flagyl's mode of action has nothing to do with attacking or disabling flagella,as the drug's name might imply?
1) Flagyl would also harm the flagellated lining of the human intestine.
2) Entamoeba possesses pseudopods,not flagella,yet it is killed by Flagyl.
3) Not all anaerobic gut bacteria possess flagella,yet flagyl kills these bacteria.

• A)1 only
• B)2 only
• C)1 and 2
• D)2 and 3
• E)1 and 3

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