Which of the following statements about positive feedback and homeostasis is correct?

They are regulation mechanisms that control most fluctuations in the internal environment of the body.
The response to the stimulus serves to exaggerate the feedback effect.
This type of feedback response only involves an effector not a specific stimulus receptor site.
This feedback mechanism involves adjustments at the organ level but not at the cellular level.
The response to the stimulus serves to exaggerate the feedback effect.  Positive feedback causes the stimulus to increase in magnitude which in turn elicits a more exaggerated response.

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