Which of the following is not considered macronutrient?

Appeared in: Raj. CHO -2025

Explanation

Vitamins are classified as micronutrients, not macronutrients, because the body requires them in very small quantities.
Unlike macronutrients, vitamins do not provide energy (calories) but are essential for various metabolic reactions, acting as coenzymes and catalysts.
The body cannot synthesize most vitamins, so they must be obtained through diet.

Option A: This is incorrect because protein is a primary macronutrient.
Option C: This is incorrect because fats (lipids) are a key macronutrient.
Option D: This is incorrect because carbohydrates are a fundamental macronutrient.

Visual 1: Chart: A visual chart comparing macronutrients (Carbohydrates, Proteins, Fats) and micronutrients (Vitamins, Minerals), highlighting their required amounts (grams vs. milligrams/micrograms) and primary functions (energy vs. regulation).

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.
Nurses perform nutritional assessments to identify deficiencies or excesses in a patient's diet. Understanding the difference between macro and micronutrients is fundamental to providing appropriate dietary counseling and care.
Many chronic diseases, such as obesity, type 2 diabetes, and cardiovascular disease, are linked to an imbalance in macronutrient intake.
What if? If a patient presents with symptoms of fatigue and poor wound healing, a nurse should consider assessing their intake of both macronutrients (especially protein for repair) and micronutrients (like Vitamin C and Zinc, which are vital for healing), not just one or the other.

How to Approach the Question

First, identify the core concept of the question, which is 'macronutrient'.
Note the negative keyword 'not'. This signals that you must find the option that does NOT belong to the group of macronutrients.
Recall the definition of macronutrients: nutrients required in large amounts that provide the body with energy. The three main macronutrients are carbohydrates, proteins, and fats.
Systematically evaluate each option against this definition. Protein, Fats, and Carbohydrates all fit the definition.
The option that does not fit is 'Vitamin', as it is a micronutrient needed in small amounts and does not provide energy.

Concept Tested & Keywords

Concept Tested: Classification of Nutrients: Macronutrients vs. Micronutrients
Stem keywords: macronutrient
Lead-in keywords: not
Negative lead-in flag: The question uses a negative frame ('not'), asking to identify the exception among the options.

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E6 textbook of Applied Biochemistry and Nutrition & Dietetics 2nd Edition Harbans Lal (pp 26-464 of 479) p. 26-479

Practise the full Raj. CHO -2025

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