Which of the following is NOT a macronutrient

Appeared in: KPSC Staff Nurse - 2017

Explanation

Vitamins are classified as micronutrients, not macronutrients.
Micronutrients are essential dietary elements required by the body in very small quantities.
Unlike macronutrients, vitamins do not provide energy (calories) but act as catalysts in metabolic reactions.
The body requires vitamins for growth, maintenance of health, and various biochemical processes.

Option A: Proteins are a primary type of macronutrient, essential for building and repairing tissues, making enzymes and hormones.
Option B: Fats (lipids) are a core macronutrient, serving as a concentrated source of energy and aiding in the absorption of certain vitamins.
Option D: Carbohydrates are the body's main macronutrient source for energy (glucose).

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 difference between macronutrients and micronutrients is fundamental for nurses in providing patient education on diet and nutrition.
Nurses use this knowledge to assess a patient's nutritional status, plan dietary interventions, and manage conditions like malnutrition, obesity, and diabetes.
What if? If a patient is recovering from major surgery, their need for protein (a macronutrient) increases significantly to support tissue repair and wound healing. A nurse would advocate for a high-protein diet in this case.

How to Approach the Question

First, identify the keyword in the question, which is 'NOT'. This indicates you are looking for the option that does not belong to the specified category.
The category is 'macronutrient'. Recall the definition of macronutrients: nutrients needed in large amounts that provide energy.
List the main macronutrients: carbohydrates, proteins, and fats.
Evaluate each option against this list.
Proteins, Fats, and Carbohydrates are all on the list of macronutrients.
Vitamins are not on the list; they are micronutrients. Therefore, 'Vitamins' is the correct answer as it is NOT a macronutrient.

Concept Tested & Keywords

Concept Tested: Classification of nutrients (Macronutrients vs. Micronutrients)
Stem keywords: macronutrient
Lead-in keywords: NOT
Negative lead-in flag: The question asks to identify the option that is NOT a macronutrient.

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E6 Nursing Fundamentals Potter Perry 12e Part 5 p. 180-182

E6 Nursing Fundamentals Taylor p. 492-494

E6 Nutrition Monika Sharma 3e p. 51-53

Practise the full KPSC Staff Nurse - 2017

Attempt every question from this paper in a timed mock, then review the full solution for each one.