Which of the following hormones is responsible for the stimulation of osteoblast activity and bone formation?

A Parathyroid hormone (PTH) ✓
B Calcitonin
C Growth hormone (GH)
D Insulin-like growth factor-1 (IGF-1)

Explanation

Parathyroid hormone (PTH) plays a crucial role in regulating calcium homeostasis and bone metabolism by stimulating osteoblast activity and bone formation.

Mnemonic

PTH = Promotes bone health

Source

Berne and Levy Physiology
Hormones and Endocrine Markers Endocrinology Bone metabolism Easy MEDICAL Confidence: high