Large doses of antibiotics given to fight an infection are likely to destroy bacteria that produce vitamin K.

Large doses of antibiotics given to fight an infection are likely to destroy bacteria that produce vitamin K. In which digestive organ do we find such beneficial bacteria?
Select one of the options below as your answer:
A. Stomach
B. Large Intestine
C. Liver

C-liver

The answer for your question is the *large intestine*. If you'll take a large dose of broad spectrum antibiotics in a long period of time, the normal microorganisms responsible for the synthesis of vitamin K which is the Escherichia coli will be perished.

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