Which of the following feedback mechanisms regulate the production of 1, 25(OH) 2D3?
A. Negative feedback mechanism associated with circulating levels of calcium and inorganic phosphorus.
B. Negative feedback mechanism associated with circulating levels of calcitonin.
C. Negative feedback mechanism associated with circulating levels of magnesium.
D. Positive feedback mechanism associated with circulating levels of calcium and inorganic phosphorus.
A
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________ Normal flora are beneficial bacteria that help us resist pathogens
Indicate whether the statement is true or false
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All of the following settings should be considered in efforts to reduce or limit radiation in compliance with ALARA except one? Which one is the exception?
A) Temperature (°C) B) Millamperage (mA) C) Kilovoltage (kV) D) Collimated FOV
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