The Secretion of Parathyroid Hormone Is Controlled by the Concentration

question 22

Multiple Choice

The secretion of parathyroid hormone is controlled by the concentration of

• A) calcium bound to citrate anions
• B) calcium in the diet
• C) calcium inside of the bone matrix
• D) ionized calcium in the blood

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Median-Voter Model

A theoretical model that suggests the outcome of a majority vote is most likely to represent the preferences of the voter who is precisely in the middle of the preference spectrum.

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Public Good

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