Multiple choice Which of the following can cause of hypercalcemia in an individual? Primary hyperparathryoidism Secondary hyperparathyroidism Hypovitaminosis of vitamin D Chovstek's syndrome Acute pancreatitis Reveal answer Fill a bubble to check yourself A Correct answer Explanation Excess parathyroid hormone raises plasma calcium levels. In primary hyper parathyroidism there is a primary increase in parathyroid hormone and so a rise in plasma calcium.