Michigan Esthetician State Board Practice Exam

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Prepare for the Michigan Esthetician State Board Test. Study with flashcards and multiple choice questions, each question includes hints and explanations. Get equipped for your exam!

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Which nutrient is essential for the oxygenation of the blood?

Calcium
Iron
Magnesium
Zinc

The correct answer is: Iron

Iron is essential for the oxygenation of the blood because it is a key component of hemoglobin, the protein in red blood cells that binds to oxygen. When oxygen enters the bloodstream in the lungs, it attaches to iron within hemoglobin, allowing red blood cells to transport oxygen from the lungs to the rest of the body. This process is crucial for cellular function and energy production because all body tissues require oxygen to carry out their metabolic processes. While calcium, magnesium, and zinc play important roles in various bodily functions, they are not directly involved in the transport of oxygen in the blood. Calcium is primarily associated with bone health and muscle function; magnesium is involved in numerous enzymatic processes and energy production; and zinc plays a role in immune function and wound healing. Therefore, iron specifically stands out in the context of oxygen transport, making it the correct choice for this question.