Understanding Vitamins

What are vitamins and why are they essential for the body?

• Vitamins are essential nutrients that support various bodily functions and must be obtained from food.

• Vitamins are only found in supplements and are not needed from food.

• Vitamins are a type of protein that the body produces on its own.

• Vitamins are harmful substances that the body tries to eliminate.

Name the two main types of vitamins and provide examples of each.

• Fat-soluble vitamins (e.g., A, D) and water-soluble vitamins (e.g., C, B-complex).

• Minerals (e.g., calcium, iron)

• Proteins (e.g., meat, beans)

• Carbohydrates (e.g., sugars, starches)

What is the role of Vitamin C in the human body?

• Vitamin C is essential for DNA replication.

• Vitamin C helps regulate blood sugar levels.

• Vitamin C is primarily used for energy production.

• Vitamin C is crucial for collagen synthesis, antioxidant protection, and iron absorption.

How can a deficiency in Vitamin D affect health?

• Lower risk of heart disease and diabetes

• A deficiency in Vitamin D can lead to weakened bones, increased fracture risk, impaired immune function, and mood disorders.

• Enhanced muscle strength and coordination

• Increased energy levels and improved mood

Which vitamin is known as the 'sunshine vitamin'?

• Vitamin E

• Vitamin C

• Vitamin A

• Vitamin D

What are the food sources rich in Vitamin A?

• Liver, fish, dairy products, carrots, sweet potatoes, spinach, kale.

• Apples

• Chicken

• Bread

Explain the importance of B vitamins for energy metabolism.

• B vitamins are essential for converting food into energy and supporting overall metabolic processes.

• B vitamins are primarily used for muscle building.

• B vitamins are not involved in energy production.

• B vitamins are only important for skin health.

What are the potential risks of consuming too many fat-soluble vitamins?

• Improved immune function

• Potential risks include toxicity, organ damage, nausea, headaches, and hypercalcemia.

• Enhanced digestion

• Increased energy levels

How does Vitamin K contribute to blood clotting?

• Vitamin K has no role in blood clotting and is only for skin health.

• Vitamin K prevents blood clotting by breaking down clotting factors.

• Vitamin K is primarily involved in the absorption of calcium in bones.

• Vitamin K contributes to blood clotting by enabling the synthesis of clotting factors through carboxylation, which is essential for their activation.

What is the recommended daily intake of Vitamin E for teenagers?

• 20 mg (30 IU) per day

• 10 mg (15 IU) per day

• 15 mg (22.4 IU) per day

• 5 mg (7.5 IU) per day