MCAT Question A Day - 7/4/14
Parathyroid hormone is an important hormone in the control of blood calcium ion levels. Parathyroid hormone directly impacts:
I. bone density
II. renal calcium reabsorption
III. blood calcium concentration
A. I only
B. I and II only
C. I and III only
D. I, II and III
Want more questions? - Click here to check out our MCAT Question A Day archive