Praxis 5857 Practice Question
A deficiency of which of the following minerals is of particular concern to athletes because of its role in the oxygen transport process?
Correct Answer: C
Rationale: Athletes often face a heightened risk of iron deficiency due to its crucial role in oxygen transport within hemoglobin. Adequate iron levels enhance endurance and performance, making it a priority for athletes.
Calcium (A) is vital for bone health and muscle function but does not directly impact oxygen transport. Zinc (B) supports immune function and protein synthesis, but it is not primarily involved in oxygen delivery. Potassium (D) is essential for nerve function and muscle contractions, yet it does not play a direct role in the transport of oxygen in the blood. Thus, maintaining sufficient iron levels is particularly important for athletes to optimize their performance.
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