Which of the Following Is a TRUE Statement Concerning the Selected

Multiple Choice

Which of the following is a TRUE statement concerning the selected feedback mechanism in a healthy individual?

A) Positive feedback mechanisms are stable, and the most common means to maintain homeostasis in the body.
B) Blood glucose levels are regulated by positive feedback mechanisms.
C) Elevated blood sugar levels (hyperglycemia) result in the release of glucagon from the pancreas, which stimulates the breakdown of glycogen into glucose-resulting in more glucose in the bloodstream.
D) Blood pressure regulation is a good example of positive feedback, because the response to the initial stimulus increases the stimulus.
E) Stretch receptors in the cervix, stimulated by the fetus during labor and delivery, result in the release of a hormone that stimulates more forceful uterine contractions and additional "stretch" or dilation of the cervix. This is a good example of a positive feedback mechanism.