Which mineral is essential for the formation of hemoglobin and certain hormones, and its deficiency can lead to impaired cognitive function and fatigue?

A Iron ✓
B Zinc
C Copper
D Manganese

Explanation

Iron is a crucial mineral for the production of hemoglobin, which carries oxygen in the blood, and its deficiency can cause anemia, leading to fatigue and impaired cognitive function.

Mnemonic

Iron = In Red Oxygen Nation

Source

National Institutes of Health (NIH)
Minerals, and Trace Elements Minerals and Trace Elements Iron and Hemoglobin Easy MEDICAL Confidence: high