A phrase to describe a negative feedback loop could be: self-regulating (though I'm not sure the exact word you're looking for).
Answer:
A
Explanation:
Because is perfect and is the same characteristic
The purpose of the Patient Self-Determination Act was/is to inform patientsof their rights regarding decisions toward their own medical care, and ensure that theserights are communicated by the health care provider.
The answer is either B or C wish i had these Q? On my quizzes haha