Skip to main content
Pearson+ LogoPearson+ Logo
Ch.22 Carbohydrate Metabolism
McMurry - Fundamentals of GOB 8th Edition
McMurry8th EditionFundamentals of GOBISBN: 9780134015187Not the one you use?Change textbook
Chapter 22, Problem 54

Differentiate between blood sugar levels and resulting symptoms in hyperglycemia and hypoglycemia.

Verified step by step guidance
1
Understand the terms: Hyperglycemia refers to high blood sugar levels, while hypoglycemia refers to low blood sugar levels. Both conditions are related to glucose regulation in the body.
For hyperglycemia, identify the blood sugar range: Blood sugar levels above 180 mg/dL are typically considered hyperglycemic. Symptoms may include increased thirst, frequent urination, fatigue, and blurred vision.
For hypoglycemia, identify the blood sugar range: Blood sugar levels below 70 mg/dL are typically considered hypoglycemic. Symptoms may include shakiness, sweating, confusion, irritability, and in severe cases, loss of consciousness.
Relate the symptoms to the physiological effects: In hyperglycemia, excess glucose in the blood can lead to dehydration and damage to organs over time. In hypoglycemia, insufficient glucose availability can impair brain function and energy production.
Summarize the key differences: Hyperglycemia is characterized by high blood sugar and symptoms related to excess glucose, while hypoglycemia is characterized by low blood sugar and symptoms related to insufficient glucose for energy needs.

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
4m
Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Blood Sugar Levels

Blood sugar levels refer to the concentration of glucose present in the bloodstream. These levels are crucial for providing energy to the body's cells. Normal blood sugar levels typically range from 70 to 130 mg/dL, and deviations from this range can lead to various health issues, including hyperglycemia (high blood sugar) and hypoglycemia (low blood sugar).
Recommended video:
Guided course
1:01
Ketoses as Reducing Sugars Example 2

Hyperglycemia

Hyperglycemia occurs when blood sugar levels are excessively high, often above 130 mg/dL. This condition can result from insufficient insulin production or resistance to insulin, leading to symptoms such as increased thirst, frequent urination, fatigue, and blurred vision. Chronic hyperglycemia can lead to serious complications, including diabetes-related health issues.

Hypoglycemia

Hypoglycemia is characterized by abnormally low blood sugar levels, typically below 70 mg/dL. It can occur due to excessive insulin, prolonged fasting, or intense physical activity. Symptoms of hypoglycemia include shakiness, sweating, confusion, irritability, and in severe cases, loss of consciousness. Prompt treatment is essential to restore normal blood sugar levels and prevent serious complications.