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1. ____________ is/are the effector(s) in the feedback system for the regulation of blood calcium mediated by parathyroid hormone.

A: The gene for PTH
B: Parathyroid hormone
C: Parathyroid gland cells
D: Cyclic adenosine monophosphate (cyclic AMP)
E: The kidneys
F: Osteoclasts

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The effectors in the feedback system for the regulation of blood calcium mediated by parathyroid hormone are:

C: Parathyroid gland cells

E: The kidneys

F: Osteoclasts

User Markus Persson
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