D. Singapore.
Singapore is a tiny country in Asia that borders Malaysia. Therefore, it is not found in the Caribbean. :)
The nurse should be concerned for a drug-drug interaction on the basis of type 2 diabetes. The drug ketoconazole is known to have interactions with the drug given for a type 2 diabetes or the hypoglycemics. The ketoconazole is an antifungal drug.
This is not a good plan because it does not include healthy eating and exercise.
