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Insulin is released from what? |
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Definition
pancreatic beta cells (Islets of Langerhans). |
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Definition
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glucose entry into cells with GLUT4 transporter. |
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Tissue(s) that use GLUT4 transporters include... |
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Some cells are insulin insensitive, meaning what? |
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Definition
don't need insulin to turn on. |
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Tissue(s) that are insulin insensitive include: |
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Definition
brain, kidney and intestines. |
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glycogenesis and glycolysis. |
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glycogenolysis and gluconeogenesis. |
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glycogen synthesis in the liver and muscle; promotes glucose transport into cells. |
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Definition
glucose breakdown and fat synthesis. |
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Stimuli for insulin release include: |
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Definition
elevated blood glucose and parasympathetic stimulation. |
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Term
Insulin release is inhibited by what? |
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Definition
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Term
What is the normal (fasting) level of blood glucose? |
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Definition
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Insulin release is potentiated by what? |
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Definition
GIP (glucose-dependent insulinotropic peptide) from intestines. |
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Glucagon is synthesized where? |
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Definition
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What is glucagon's effect on plasma glucose levels? |
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Definition
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What is the primary target og glucagon? |
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Definition
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Definition
glycogenolysis and gluconeogenesis. |
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Glucagon is suppressed by what? |
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Definition
increased plasma glucose levels and insulin. |
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What is glucose tolerance? |
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Definition
ability to dispose of glucose (absorb). |
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Term
In diabetes, fasting plasma glucose may be... |
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Definition
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In a normal glucose tolerance test, the body can dispose of an oral glucose load with... |
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Definition
only a small rise in plasma glucose. |
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Type I diabetes mellitus (juvinile onset) is... |
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Definition
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Type II diabetes mellitus (mature onset) is... |
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Definition
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Type I diabetes accounts for about... |
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Definition
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Type I diabetes is caused by what? |
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Definition
autoimmune attack on beta cells. |
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Type I diabetes onset often occurs at a young age and requires... |
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Definition
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Definition
excess insulin caused by hypoglycemia. |
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A lack of fuel (glucose) for the brain results in what? |
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Definition
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Hypoglycemia normally triggers secretion of what? |
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Definition
glucagon, epinephrine, cortisol and growth hormone. |
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Term
What does exercise do in diabetes? |
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Definition
moves glucose into muscle without insulin. |
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Type II diabetes accounts for... |
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Definition
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Type II diabetes ia often associated with what? |
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Definition
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In Type II diabetes, insulin levels are often... |
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Definition
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Resistance to insulin action means... |
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Definition
decreased receptor sensitivity, post-receptor malfunction, antibody to insulin (rare). |
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Term
Control for Type II diabetes includes: |
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Definition
diet, exercise, oral hypoglycemics, and injected insulin (not often). |
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Definition
stimulate insulin release or boost insulin action. |
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Uncontrolled diabetes results in... |
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Definition
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Definition
polyuria, hyperosmolarity and polydipsia. |
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Hyperglycemia promotes... |
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Definition
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Fat breakdown causes the production of what? |
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Definition
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The main ketone bodies produced are what? |
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Definition
acetoacetic acid and beta-hydroxybutyric acid. |
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Term
Ketone bodies contribute to what? |
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Definition
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Term
The respiratory compensation for metabolic acidosis is what? |
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Definition
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Hyperosmolarity, acidosis and dehydration can eventually result in what? |
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Definition
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