Chapter 20 Flashcards
(459 cards)
Diabetes Mellitus
A chronic condition affecting glucose metabolism.
Glucose
Primary energy source for body cells.
Carbohydrates
Main food source, broken into simple sugars.
Sucrose
Table sugar, a type of carbohydrate.
Lactose
Sugar found in milk and dairy products.
Starches
Complex carbohydrates found in potatoes and bread.
Simple Sugars
Absorbed sugars including glucose, galactose, fructose.
Blood Glucose Level
Concentration of glucose in the bloodstream.
Brain Cells
Require glucose exclusively for energy.
Osmotic Pressure
Water movement caused by glucose concentration.
Edema
Swelling due to excess fluid in tissues.
Hypoglycemia
Dangerously low blood glucose levels.
Hyperglycemia
Dangerously high blood glucose levels.
Brain Dysfunction
Altered mental status due to glucose depletion.
Insulin
Hormone that helps glucose enter cells.
Energy Sources
Fats and proteins can substitute for glucose.
Dehydration
Loss of water from the body.
Neurologic Injuries
Conditions like head injury or stroke.
Glucose Administration
Careful use of glucose in neurologic emergencies.
Cell Function
Impaired by lack of glucose or excess by-products.
Glucose Absorption
Occurs in the digestive tract post-carbohydrate digestion.
Complex Sugars
Sugars that are broken down into simpler forms.
Consequences of Low Glucose
Deterioration of brain function and potential death.
Excess Glucose
Glucose spills into urine, causing dehydration.