11 Questions
What are the physiological adaptations that occur during the stress response?
Hormonal and metabolic adaptations
What are the characteristics of the stress response?
Inflammation, accelerated catabolism, and increased respiration rate and cardiac output
What happens to energy reserves during the stress response?
They are depleted
What are some potential consequences of prolonged stress?
Poor growth, muscle wasting, and increased susceptibility to illness
What controls the stress response?
Hormones released in the blood after injury
What do counter-regulatory hormones promote during the stress response?
Hypercatabolism and hypermetabolism
What effects do catecholamines have during the stress response?
They cause the heart to beat faster, breathing to accelerate, blood pressure to rise, and metabolic rate to increase
What does glucagon trigger during the stress response?
Glucose production
What does cortisol promote during the stress response?
Protein catabolism
What is the potential risk associated with inflammation during the stress response?
Increased risk for malnutrition
What are some metabolic stressors that can increase nutrient needs and cause negative nitrogen balance?
Sepsis, trauma, burns, and surgery
Study Notes
- Physiological stress leads to hormonal and metabolic adaptations known as the stress response.
- The stress response is characterized by inflammation, accelerated catabolism, and increased respiration rate and cardiac output.
- Energy reserves are mobilized, leading to elevated glucose levels.
- Prolonged stress can lead to poor growth, muscle wasting, or increased susceptibility to illness.
- The stress response is controlled by hormones released in the blood after injury.
- Counter-regulatory hormones promote hypercatabolism and hypermetabolism.
- Catecholamines cause the heart to beat faster, breathing to accelerate, blood pressure to rise, and metabolic rate to increase.
- Glucagon triggers glucose production, and cortisol promotes protein catabolism.
- Inflammation may increase the risk for malnutrition.
- Sepsis, trauma, burns, and surgery are metabolic stressors that can increase nutrient needs and cause negative nitrogen balance.
Test your knowledge of physiological stress and the body's response to it with this informative quiz. From the hormones released during injury to the impact of prolonged stress on growth and immunity, this quiz covers it all. Learn about the metabolic adaptations and inflammation associated with the stress response, as well as the impact of various stressors on nutrient needs and nitrogen balance. Put your knowledge to the test and see how much you really know about stress and its effects on the body.
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