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Questions and Answers
What is the primary energy source for brain cells?
What is the primary energy source for brain cells?
- Oxygen
- Fructose
- Insulin
- Glucose (correct)
What is the normal concentration of glucose per 100mL of blood?
What is the normal concentration of glucose per 100mL of blood?
- 150 mg
- 70 mg
- 110 mg/dL
- 90 mg (correct)
What is the term for glucose concentrations below 70 mg/dL?
What is the term for glucose concentrations below 70 mg/dL?
- Hyperinsulinemia
- Hyperglycemia
- Diabetes
- Hypoglycemia (correct)
What happens when the brain lacks glucose?
What happens when the brain lacks glucose?
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What is the term for glucose concentrations above 110 mg/dL?
What is the term for glucose concentrations above 110 mg/dL?
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Study Notes
Glucose and Blood Sugar Levels
- Glucose is the primary energy source for brain cells.
- A lack of glucose can cause fainting.
- The normal level of glucose in 100mL of blood is 90mg, but can vary between 70-150mg.
- Hyperglycemia occurs when glucose concentrations exceed 110 mg/dl.
- Hypoglycemia occurs when glucose concentrations fall below 70 mg/dl.
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