Which of the following is associated with a low concentration of ionized calcium in the serum ?
Correct answer: B. Tetany
- A. Hypothyroidism
- B. Tetany
- C. Paget's disease of the bone
- D. Osteogenesis imperfecta
Explanation
Low ionized calcium increases neuronal and muscular excitability, producing tetany with spasms and signs such as Trousseau and Chvostek signs. The other conditions are not the characteristic direct result of low serum ionized calcium.
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