The nurse should assure the patient that black tongue is an expected side effect of taking that particular drug. The active ingredient in the drug contain bismuth. The tongue and the alimentary canal of humans contain trace amount of sulphur, when bismuth comes in contact with this sulphur, bismuth-sulphide will be formed. Bismuth-sulphide is an harmless by product, thus, the tongue discoloration observed in the patient is harmless.<span />
Answer: A) it doesn’t represent the way that some hypotheses might be rejected.
Explanation: Just helped someone answer this question.
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In the milk food dye and soap experiment?
They're alive, they rely on the sun, and they require water.
