C is the answer because there are a lot of trees in the rainforest
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 />
The hypothesis is the question you are trying to answer or the problem you need to figure out, it is kind of like a starting point
Please type the question :)
