A person with type 1 diabetes plans a 90-minute afternoon bike ride. Their pre-exercise glucose is 140 mg/dL. What is the MOST appropriate carbohydrate strategy?
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A
No carbohydrates needed since glucose is already elevated
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B
Consume 15–30 g carbohydrates before and 15 g every 30–45 minutes during exercise
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C
Take extra insulin before exercise to prevent hyperglycemia
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D
Eat a high-protein meal only and avoid carbohydrates until after exercise