Vitamin C and DCPIP Quiz

What is the role of vitamin C in the body?

• It is essential for the growth, development, and repair of body tissues.

• It is only needed for vision

• It has no role in the body

• It can cause harm to the body if consumed in large amounts

How is DCPIP used as a vitamin C indicator?

• It turns colorless when it reacts with vitamin C

• It turns green when it reacts with vitamin C

• It has no reaction with vitamin C

• It becomes more concentrated when it reacts with vitamin C

What are the sources of vitamin C in the diet?

• Fruits and vegetables

• Processed foods

• Sugary snacks

• Meat and dairy products

Why is vitamin C important for overall health?

• It has no impact on overall health

• It helps the body to form and maintain connective tissue, acts as an antioxidant, and protects cells from damage.

• It causes damage to cells

• It is only important for skin health

What happens when vitamin C is deficient in the body?

• Rickets

• Scurvy

• Anemia

• Osteoporosis

Explain the process of using DCPIP to test for vitamin C content.

• Mix the DCPIP solution with the sample and heat it until the color changes

• Add the DCPIP solution to the sample and shake vigorously until the color changes

• Add DCPIP solution to a known volume of the sample containing vitamin C, and titrate with a standard solution of DCPIP until the color changes from blue to colorless.

• Combine the DCPIP solution with the sample and wait for 24 hours for the color to change

What are the effects if we are not consuming vitamin C-rich foods?

• Leads to weakened immune system

• Increases risk of heart disease

• Causes vitamin deficiency

• All of the above

How does vitamin C help in the absorption of iron in the body?

• By blocking the absorption of iron in the body

• By converting non-heme iron into a form that is easier for the body to absorb.

• By increasing the excretion of iron from the body

• By converting iron into a form that is harder for the body to absorb

What are the symptoms of vitamin C deficiency?

• Muscle pain, joint stiffness, and swelling

• Increased energy, improved mood, and enhanced immune function

• Headache, dizziness, and nausea

• Fatigue, weakness, and irritability

Discuss the relationship between vitamin C and the immune system.

• The immune system has no need for vitamin C

• Vitamin C only helps with bone health, not the immune system

• Vitamin C helps support the immune system by stimulating the production of white blood cells, which help protect the body against infections and diseases.

• Vitamin C has no impact on the immune system