Which hormone is responsible for regulating blood calcium levels by increasing osteoclast activity and bone resorption?

A Parathyroid hormone (PTH) ✓
B Calcitonin
C Vitamin D
D Thyroid-stimulating hormone (TSH)

Explanation

PTH plays a crucial role in maintaining blood calcium levels by stimulating osteoclast activity, which leads to bone resorption and increased calcium release into the bloodstream.

Mnemonic

PTH = Pumping The Hormone, Helps Hypercalcemia

Source

Berne and Levy Physiology
Hormones and Endocrine Markers Mineral Metabolism Calcium Homeostasis Medium MEDICAL Confidence: high