Multiple choice

The gland which regulates the level of calcium in the blood by increasing its level is /are

  1. thyroid

  2. adrenals

  3. parathyroids

  4. pituitary
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Normal parathyroid glands work like the thermostat in your home to keep blood calcium levels in a very tightly controlled range. When the blood calcium level is too low, PTH is released to bring the calcium level back up to normal. When the calcium level is normal or gets a little too high, normal parathyroids will stop releasing PTH.

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