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Q: Which of these is an example of negative feedback?

  • 1
    After you eat, insulin stimulates the lowering of blood sugar levels.
  • 2
    Once labor begins, contractions increase in frequency and intensity.
  • 3
    After you eat, glucagon stimulates an increase in blood sugar levels.
  • 4
    As a blood clot begins to form, the process of its formation gets faster and faster.
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Answer : 1. "After you eat, insulin stimulates the lowering of blood sugar levels."
Explanation :

Answer: A) After you eat, insulin stimulates the lowering of blood sugar levels. Explanation: Eating raises blood sugar levels, insulin stimulates the lowering of blood sugar level. In this example the response to the stimulus (increased blood sugar levels) opposes that stimulus (by lowering blood sugar levels).

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