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13 Cards in this Set
- Front
- Back
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What is homeostasis? |
Process of maintaining constant environment |
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How do we maintain homeostasis? |
• Changes in behavior
---Sweat, shiver • Thermoregulation --- Physically move entire body or bodyposition to mitigate temperature effects ------- Moving towards shade or into water ------- Moving into sun or near heat source |
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How flexible is homeostasis? |
The farther from the brain, the more flexible the core temperature |
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What is osmosis? |
Movement of water from area of low solute concentration to high solute concentration. |
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What is the difference between hypovolemic and osmotic thirst? |
Hypovolemic thirst --Low fluid volume --Solute concentration is normal --Ex: Open wound Osmotic thirst --Fluid volume is normal --Solute concentration is high --Ex: Eating salty food |
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What are baroreceptors? |
Pressure receptor in heart, kidney, and major arteries |
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What is Osmolality? |
Measure of solute concentration in blood |
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What are Osmosensory Neurons? |
Monitors movement of water into/out of cell |
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What is the neural pathway in fluid regulation? |
Osmosensoryneurons inOVLT-->PVN/SON ofhypothalamus-->PosteriorPituitary-->AVP
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Why is insulin important? |
Insulin is important for glucose regulation. Glucose is predominant in providing energy. |
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What regulates appetite? |
Hypothalamus |
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Which hormones from the body influence appetite? |
Leptin, Insulsin, Ghrelin, PYY |
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What are the strategies for obesity control? |
1. Appetite Control 2. Increased metabolism 3. Inhibition of fat tissue 4. Reduced absorption 5. Reduced reward 6. Anti-obesity surgery |
