Which mineral is essential for the maintenance of healthy bone density and is also involved in the regulation of muscle and nerve function?

A Calcium ✓
B Phosphorus
C Magnesium
D Potassium

Explanation

Calcium is crucial for bone health and also plays a role in muscle contraction and nerve function.

Mnemonic

CALM = Calcium Always Loves Muscles

Source

National Institutes of Health
Minerals, and Trace Elements Minerals and Trace Elements Macrominerals Easy MEDICAL Confidence: high