Sam, an older man, has been diagnosed with osteoporosis, and his blood calcium levels are above normal. The pathologiste found cancer cells that were oversecreting ________ causing Sam's symptoms.
A) vitamin D
B) parathyroid hormone
C) calcitonin
D) thyroid hormone
E) growth hormone

Question

Quizplus · Accepted Answer

Parathyroid hormone (PTH) is responsible for regulating calcium levels in the blood. Cancer cells that oversecrete PTH can lead to hypercalcemia (elevated blood calcium levels) and contribute to the development or worsening of osteoporosis by increasing bone resorption.

Sam, an Older Man, Has Been Diagnosed with Osteoporosis, and His