Mice that have been given morphine are very likely to develop blood poisoning because bacteria that

1 answer
Question:

Mice that have been given morphine are very likely to develop blood poisoning because bacteria that normally reside in the intestine typically respond to morphine by migrating into the bloodstream. however, when mice are given both morphine and the new drug naltrexone, blood poisoning is much less frequent, although it does still occur. these results provide support for researchers' prediction that naltrexone will turn out to be toxic to certain types of bacteria.

Answers

Which of the following, if discovered to be true, would most seriously weaken the support for the researchers’ prediction?

The correct answear is B. Naltrexone inhibits morphine from triggering the migration of intestinal bacteria into the bloodstream.

Explanation:

Naltrexone is a non-selective opioid antagonist, it competes with these at the level of the receptors and thus reduces their effects.

The responses A, C, D and E does not weaken the support for the

researches ´ predictions, and are not relevant to the argument.

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