Which hormone is responsible for regulating osteoclast activity and bone resorption, particularly in conditions such as osteoporosis?

A Parathyroid Hormone (PTH)
B Calcitonin ✓
C Thyroid-Stimulating Hormone (TSH)
D Growth Hormone (GH)

Explanation

Calcitonin is a hormone produced by the thyroid gland that helps regulate calcium and phosphorus levels in the blood by inhibiting osteoclast activity and bone resorption.

Mnemonic

'Calcitonin' sounds like 'calculate' → calculates bone density

Source

Berne and Levy Physiology
Hormones and Endocrine Markers Endocrinology Bone and Mineral Metabolism Medium MEDICAL Confidence: high