All of the following are the proximate principles of food, EXCEPT:

Appeared in: DSSSB 14 August 2024

Explanation

Vitamins are classified as micronutrients, also known as protective principles, not proximate principles.
They are required by the body in very small quantities (milligrams or micrograms) to regulate metabolic processes.
Unlike carbohydrates, proteins, and fats, vitamins do not provide energy (calories).
Their primary role is to act as catalysts and coenzymes in various biochemical reactions essential for health.

Option B: Carbohydrates are a core component of the proximate principles of food.
Option C: Fats (lipids) are a core component of the proximate principles of food.
Option D: Proteins are a core component of the proximate principles of food.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of Nutrients: Proximate vs. Protective Principles as background academic context rather than a clinical decision trigger.
Understanding the difference between macronutrients and micronutrients is fundamental for nurses when creating diet plans and providing nutritional counseling to patients.
This knowledge is critical in managing conditions like protein-energy malnutrition, obesity, diabetes, and in planning diets for postsurgical patients or athletes.
What if? If a patient is recovering from major surgery and has poor wound healing, the nurse would focus on ensuring adequate intake of proteins (a proximate principle for tissue repair) and Vitamin C (a micronutrient essential for collagen synthesis).

How to Approach the Question

First, identify the core concept in the question stem, which is 'proximate principles of food'.
Next, note the negative keyword 'EXCEPT'. This means you are looking for the option that does not fit the definition of a proximate principle.
Define 'proximate principles'. Recall or deduce that these are the major nutrients needed in large amounts for energy and structure (macronutrients).
Evaluate each option: Carbohydrates, fats, and proteins are all major energy-providing nutrients needed in large quantities.
Identify the outlier: Vitamins are needed in small amounts for regulation and do not provide energy. Therefore, vitamins are the exception and the correct answer.

Concept Tested & Keywords

Concept Tested: Classification of Nutrients: Proximate vs. Protective Principles
Stem keywords: proximate principles of food
Lead-in keywords: EXCEPT
Negative lead-in flag: The question uses a negative lead-in ('EXCEPT'), asking to identify the option that does not belong to the group of proximate principles of food.

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E6 textbook of Applied Biochemistry and Nutrition & DieteticsHarbans Lal (pp 26-464 of 479) p. 238-240

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

Practise the full DSSSB 14 August 2024

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