Final answer:
Your friend is likely experiencing symptoms of low blood sugar, also known as hypoglycemia. It's important for your friend to consume a source of glucose, such as candy or juice, to quickly raise their blood sugar levels back to normal.
Step-by-step explanation:
Your friend is likely experiencing symptoms of low blood sugar, also known as hypoglycemia. This can occur in individuals with type 1 diabetes when they don't have enough glucose in their bloodstream. The symptoms can include sweating, shaking, and slurred speech. It's important for your friend to consume a source of glucose, such as candy or juice, to quickly raise their blood sugar levels back to normal.