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meostasis is maintained through feedback mechanisms. Distinguish between positiv

ID: 192843 • Letter: M

Question

meostasis is maintained through feedback mechanisms. Distinguish between positive and negative feedback mechanisms by sorting the choices below. Not all choices will be used, and one will be used more than once. Negative feedback Can be dangerous, as when a fever causes changes which continue to drive body temperature higher Maintains blood glucose Regulates blood pressure Gets its name from being good for you A sensor +a control center Positive feedback The output of a system resolves or corrects the original stimulus Causes uterine contraction which aids in child birth The output of a system brings about an increasing change in the same direction Gets its name for being bad for you

Explanation / Answer

Before identifying the negative and positive feedback examples, let's first understand the difference in these two feedback mechanisms. Negative feedback mechanism inhibits the original stimulus while positive feedback mechanism enhances the original stimulus.

So, the examples of negative feedback mechanism are:

1. The output of a system resolves or corrects the original stimulus.

2. maintains blood glucose

3. A sensor + a control center

Similarly, the examples of positive feedback mechanism are:

1. The output of a system brings about an increasing change in the same direction.

2. causes uterine contraction which aids in child birth.

3. a sensor + a control center

4. regulates blood pressure