Consider the roles of two hormones involved in regulation of the concentration of calcium ions in the blood. Parathyroid hormones increases the concentration of calcium ions in the blood, but calcitonin decreases the concentration. Maintenance of calcium ion homeostasis is crtitical to neurological, cardiac and skeletal muscle function. Based on this information predict what type of feedback mechanism would respond to restore calcium balance if a teenager took a dare and ate 100 antacid tablets made of a calcium compound in 10 minutes. Explain the answer in terms of the components of a feedback loop and whatever the body would respond to this situation with a positive or a negative feedback loop.
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