ISRO 2024
Applied Nutrition & Dietetics
Easy

The chemical name of vitamin B1 is?

Appeared in: ISRO 2024

Explanation

  • The chemical name for Vitamin B1 is Thiamine. It is also known as the anti-beriberi or antineuritic vitamin.
  • Thiamine is a water-soluble vitamin belonging to the B-complex group.
  • Its active coenzyme form, Thiamine Pyrophosphate (TPP), plays a crucial role in carbohydrate metabolism, particularly in energy-releasing reactions.
  • Rich sources include the outer layers of cereals (like unpolished rice), yeast, pulses, nuts, and meat.

Why Other Options Were Wrong

  • Option B: Ascorbic acid is the chemical name for Vitamin C, not Vitamin B1.
  • Option C: Riboflavin is the chemical name for Vitamin B2, not Vitamin B1.
  • Option D: Nicotinamide is a form of Vitamin B3 (Niacin), not Vitamin B1.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Chemical names of water-soluble vitamins as background academic context rather than a clinical decision trigger.
  • Nurses must recognize signs of thiamine deficiency (beriberi, Wernicke-Korsakoff syndrome), especially in high-risk populations like individuals with chronic alcoholism, malnutrition, or post-bariatric surgery.
  • A critical nursing intervention is administering thiamine before giving glucose to a malnourished or alcoholic patient to prevent precipitating Wernicke's encephalopathy, a neurological emergency.
  • Patient education on dietary sources of thiamine, such as whole grains, legumes, and pork, is an important preventive measure.
How to Approach the Question
  • This is a direct recall question testing foundational knowledge of biochemistry, specifically vitamin nomenclature.
  • First, identify the core of the question: it asks for the chemical name of 'Vitamin B1'.
  • Mentally review the names of the B-complex vitamins and other common vitamins.
  • Evaluate each option against your knowledge: 'Thiamine' is the correct chemical name for B1. 'Ascorbic acid' is Vitamin C. 'Riboflavin' is B2. 'Nicotinamide' is a form of B3.
  • Select the option that directly matches the definition of Vitamin B1.
Concept Tested & Keywords
  • Concept Tested: Chemical names of water-soluble vitamins
  • Stem keywords: chemical name, vitamin B1
  • Lead-in keywords: BEST, MOST RELEVANT CLUE
  • Negative lead-in flag: false

Question ID

QzOEvmxWa06bW1Wpt-TlTG

Reference Book

E6 Textbook of Biochemistry for medical StudentsDM Vasudevan Part 2 — Subpart A (pp 1-239 of 478) p. 132-134

E6 Pharmacology KD Tripathi Essentials 9e Part 3 p. 273-275

E6 Biochemistry U Satyanarayana— Part 1 (pp 26-420 of 840) p. 124-126

Practise the full ISRO 2024

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