Which of the following trace elements is essential for the proper functioning of the immune system, particularly in the activation of T-lymphocytes?

A Zinc ✓
B Copper
C Iron
D Manganese

Explanation

Zinc plays a crucial role in immune function, including the activation of T-lymphocytes, which are vital for cell-mediated immunity.

Source

Journal of Nutrition
Minerals and Trace Elements Immunology Nutrition and Immunity Medium MEDICAL Confidence: high