Final answer:
In a diabetic emergency where the person can swallow, it is recommended to give 15-20 grams of sugar to raise their blood glucose levels.
Step-by-step explanation:
In the case of a responsive person experiencing a diabetic emergency and able to swallow, it is recommended to give 15-20 grams of sugar. This can be achieved by providing 3-4 glucose tablets or consuming 3-4 teaspoons of sugar dissolved in water. The sugar helps to quickly raise the person's blood glucose levels back to a safe range.
It is important to monitor the person's condition closely after providing the sugar and seek immediate medical assistance if the symptoms worsen or do not improve.