What happens when blood glucose is too high or low?

What happens when blood glucose is too high or low?

Blood sugar that’s either too high or too low for too long may cause various serious conditions, all of which can lead to a diabetic coma. Diabetic ketoacidosis. If your muscle cells become starved for energy, your body may respond by breaking down fat stores. This process forms toxic acids known as ketones.

What happens when blood glucose is too high a level biology?

If the blood glucose concentration rises too high then cells can lose water. This may interfere with cell activities. If the blood glucose concentration falls too much then body cells will not receive as much glucose and so will not be able to release so much energy in respiration.

What blood glucose level is too high?

Blood sugar levels are considered high if they’re over 130 mg/dL before a meal or 180 mg/dL within one to two hours after a meal. Many people won’t start to experience symptoms from high blood sugar until their levels are at 250 mg/dL or higher.

What causes high blood sugar levels?

Hyperglycemia, or high blood glucose, occurs when there is too much sugar in the blood. This happens when your body has too little insulin (the hormone that transports glucose into the blood), or if your body can’t use insulin properly. The condition is most often linked with diabetes.

What happens if blood glucose is too low a level biology?

Negative feedback Whereas, if the blood glucose level is too low, the liver receives a message to release some of that stored glucose into the blood. This change is brought about by another hormone produced by the pancreas called glucagon. This is an example of negative feedback.

What happens when blood glucose levels fall?

When blood sugar drops too low, the level of insulin declines and other cells in the pancreas release glucagon, which causes the liver to turn stored glycogen back into glucose and release it into the blood. This brings blood sugar levels back up to normal.

What are the warning signs of high blood sugar?

Some of the early signs and symptoms of high blood sugar include excessive thirst, trouble focusing, blurred vision, frequent urination, fatigue, weight loss, and headaches. Frequent or recurring high blood sugar can lead to bad vision, nerve damage, stomach problems, and a lot more.

What to do when blood sugar is too high?

Drinking more water. When your blood sugar levels are running high, your body will try to flush excess sugar out of your blood through the urine. As a result, your body will need more fluids to rehydrate itself. Drinking water can help the body with flushing out some of the glucose in the blood.

Do you feel hungry when blood sugar is high?

When blood sugar is high, there is plenty of fuel available, but no way for your body to use it, so your cells starve in spite of the banquet. Your body, in an effort to get fuel into the cells, again signals the stomach to produce hunger symptoms. Bottom line: You’ll get really hungry when your blood sugar is high, as well as when it is low.

What can a diabetic eat when blood sugar is high?

According to the diabetic experts, having plenty of vegetables, such as broccoli, spinach, and green beans are good for people with high blood sugar. As these vegetables are non-starchy, high in fiber, low in carbs, these are an ideal food for a person suffering from high blood sugar.