Science
easyQ. No. 16197
Which vitamin is most directly required for normal blood clotting?
Last Updated:
AVitamin A
BVitamin C
CVitamin K
DVitamin B12
Correct Answer: Vitamin KYour Answer: C
Explanation
Correct answer: Vitamin K. Vitamin K is required for hepatic synthesis and activation of several clotting factors. Vitamin A supports vision, vitamin C collagen synthesis and vitamin B12 blood-cell formation and nerve function, but none is the principal clotting vitamin.
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Nutrition FAQs
Common questions and clear answers for this topic.
What nutrients does the human body need?
The body needs carbohydrates, proteins, fats, vitamins, minerals and water. Dietary fibre also supports digestive and metabolic health. A balanced diet supplies these components in amounts suited to a person’s age, activity and physiological needs.
Which nutrition facts are commonly tested in competitive exams?
Competitive exams commonly test nutrient functions and sources, energy values, vitamin and mineral deficiencies, fat-soluble and water-soluble vitamins, balanced diets, and protein-energy malnutrition such as kwashiorkor and marasmus.
How should nutrient-deficiency questions be revised?
Learn each nutrient as a four-part link: its major dietary sources, principal function, characteristic deficiency and important excess effect. This method makes similar options easier to distinguish.