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Questions and Answers
What is the result of intense hunger triggered by the process described?
What is the effect of the process on the body's fat?
Despite eating more, why does weight loss occur?
What is the relationship between hunger and weight loss in this process?
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What fuels does the body use when experiencing intense hunger?
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Study Notes
Adrenal Glands
- The adrenal glands have two main sections: the adrenal medulla and the adrenal cortex
- The adrenal medulla secretes catecholamines
- The adrenal cortex secretes adrenocortical hormones, which include:
- Cortisol
- Physiologic functions:
- Plays no important role in maintaining energy balance under resting conditions
- Important during periods of food deprivation (fasting, stress, and starvation)
- Effects on protein metabolism:
- Inhibits lipolysis
- Insulin promotes protein storage
Cortisol
- Physiologic actions:
- Important during periods of food deprivation (fasting, stress, and starvation)
- Plays no important role in maintaining energy balance under resting conditions
- Effects on protein metabolism:
- Inhibits lipolysis
Insulin and Protein Metabolism
- Insulin promotes protein storage
- Effects on protein metabolism:
- Stimulates amino acid uptake into all cells and stores in muscles
- Decreases blood amino acid level
- Inhibits lipolysis
Diabetes
- Both Type I and Type II diabetes share many of the same signs and symptoms
- Physiologic actions:
- Triggers intense hunger
- Leads to weight loss despite eating more than usual due to the body using alternative fuels stored in fat
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Description
This quiz covers the functions and secretions of the adrenal glands, including catecholamines and adrenocortical hormones.
