Which of the following causes diabetic emergencies?

Blood sugar levels that are either too high or too low are indeed a direct cause of diabetic emergencies. Individuals with diabetes must maintain their blood glucose levels within a certain range to prevent complications. When blood sugar levels rise excessively, a condition known as hyperglycemia can occur, which might lead to symptoms such as extreme thirst, frequent urination, fatigue, and if untreated, can result in diabetic ketoacidosis or hyperglycemic hyperosmolar state, both of which are medical emergencies.

On the other hand, if blood sugar levels drop too low, a condition called hypoglycemia can cause symptoms including shakiness, confusion, sweating, and in extreme cases, loss of consciousness or seizures. Both conditions are critical situations that require immediate attention and intervention.

While the other options listed may contribute to the overall health and well-being of an individual with diabetes, they do not represent direct causes of a diabetic emergency. For instance, excessive exercise without hydration can lead to dehydration but does not specifically trigger a diabetic crisis. Similarly, inadequate sleep, poor nutrition, and exposure to extreme temperatures impact general health but are not immediate triggers for diabetic emergencies related to blood sugar levels.