Homeostasis, Set Point, and Allostasis in Animals

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Questions and Answers

What is the term for the single value that the body works to maintain?

  • Homeostasis
  • Allostasis
  • Basal Metabolism
  • Set Point (correct)

Which type of animals depend on external sources for body heat?

  • Mammals
  • Reptiles
  • Birds
  • Fish (correct)

What is the term for the adaptive way in which the body anticipates needs depending on the situation?

  • Allostasis (correct)
  • Negative Feedback
  • Homeostasis
  • Endothermic

Which animals use physiological mechanisms to keep their core temperature nearly constant?

<p>Mammals (A)</p> Signup and view all the answers

What is the term for the energy used to maintain a constant body temperature while at rest?

<p>Basal Metabolism (C)</p> Signup and view all the answers

How do humans primarily cool themselves in a warm environment?

<p>Sweating (C)</p> Signup and view all the answers

What is the main function of shifting blood flow away from the skin in cold weather?

<p>To prevent the blood from cooling too much (A)</p> Signup and view all the answers

Why do ectothermic animals face vulnerability in changing environmental temperatures according to the text?

<p>Due to their inability to regulate body temperature internally (C)</p> Signup and view all the answers

What is the trade-off mentioned in the text regarding the human body temperature of 37 degrees Celsius?

<p>Rapid movement vs. protein stability and energy expenditure (D)</p> Signup and view all the answers

Which area of the brain is primarily responsible for regulating body temperature through actions like shivering and sweating?

<p>Anterior hypothalamus (C)</p> Signup and view all the answers

What is the role of the hindbrain's raphe nucleus in response to changes in body temperature?

<p>Control autonomic responses like shivering and sweating (C)</p> Signup and view all the answers

Why do humans eat a great deal to support their high metabolism according to the text?

<p>To run rapidly without great fatigue even in cold weather (C)</p> Signup and view all the answers

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