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Questions and Answers
Which of the following best defines homeostasis?
Which of the following best defines homeostasis?
- The state of optimal functioning for the organism
- The state of steady internal conditions maintained by living systems (correct)
- The state of equilibrium between the internal and external environment
- The state of constant change in living organisms
What is included in the homeostatic range?
What is included in the homeostatic range?
- Body temperature and fluid balance
- Blood sugar level and pH of extracellular fluid
- Concentrations of sodium, potassium, and calcium ions
- All of the above (correct)
What are regulators or homeostatic mechanisms responsible for?
What are regulators or homeostatic mechanisms responsible for?
- Regulating changes in the environment
- Creating optimal conditions for the organism
- Controlling the variables of homeostasis (correct)
- Maintaining equilibrium in the organism
What is the central motivation for all organic action?
What is the central motivation for all organic action?
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How does homeostasis respond to changes in the environment, diet, or level of activity?
How does homeostasis respond to changes in the environment, diet, or level of activity?
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