Which of the following is a micronutrient?

NHM UP Staff Nurse-2023 Shift-2nd

Applied Nutrition & Dietetics

Easy

Appeared in: NHM UP Staff Nurse-2023 Shift-2nd

Explanation

Micronutrients are essential dietary elements, including vitamins and minerals, that the body requires in very small quantities.
Minerals, such as calcium, iron, and zinc, are inorganic elements that play a vital role in numerous physiological processes like bone formation, oxygen transport, and enzyme function.
Unlike macronutrients, micronutrients do not provide calories or energy but are indispensable for the body's metabolic pathways and overall well-being.
Fats, carbohydrates, and proteins are all macronutrients, required in large amounts to provide energy and support growth.

Option B: Fats are a type of macronutrient, required in large amounts. They are a concentrated source of energy, providing 9 kcal per gram.
Option C: Carbohydrates are the body's primary source of energy and are classified as macronutrients, needed in large quantities.
Option D: Proteins are macronutrients essential for building, maintaining, and repairing body tissues. They are required in large amounts.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of Nutrients (Macronutrients vs. Micronutrients) as background academic context rather than a clinical decision trigger.
Understanding the distinction between macronutrients and micronutrients is fundamental for nurses when conducting nutritional assessments, planning dietary interventions, and providing patient education.
A patient's lab results might show a specific micronutrient deficiency (e.g., low iron leading to anemia) that requires targeted dietary changes or supplementation, which is a different intervention than addressing overall caloric intake from macronutrients.
In clinical settings, conditions like malabsorption syndromes (e.g., Crohn's disease) can impair the absorption of both macro and micronutrients, requiring careful monitoring and management by the healthcare team.

How to Approach the Question

First, identify the key term in the question: "micronutrient".
Recall the basic classification of nutrients into two main groups based on the quantity the body needs.
Define macronutrients: needed in large amounts for energy and structure. List them mentally: carbohydrates, proteins, and fats.
Define micronutrients: needed in small amounts for regulation and metabolic functions. List them mentally: vitamins and minerals.
Scan the options provided: (A) Minerals, (B) Fats, (C) Carbohydrate, (D) Proteins.
Compare each option to your definitions. Fats, Carbohydrates, and Proteins all fall under the macronutrient category. Minerals fall under the micronutrient category.

Concept Tested & Keywords

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