Multiple Choice
In which of the following forms does Ca2+ exhibit profound effects on such things as neuromuscular excitability?
A) free, unbound diffusible Ca2+
B) intracellular Ca2+
C) calcium phosphate crystals impregnated in the organic matrix of bone
D) calcium bound to plasma proteins
E) insoluble Ca2+ salts
Correct Answer:

Verified
Correct Answer:
Verified
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