The most probable cause of low serum calcium after a thyroidectomy is:
A) Hyperparathyroidism, secondary to Graves disease
B) Myxedema, secondary to surgery
C) Hypoparathyroidism caused by surgical injury
D) Hypothyroidism caused by the lack of thyroid replacement

Question

Quizplus · Accepted Answer

The most common cause of hypoparathyroidism is damage caused during thyroid surgery,resulting in a lack of circulating PTH and causing a depressed level of serum calcium.This information supports the elimination of the other options.

The Most Probable Cause of Low Serum Calcium After a Thyroidectomy