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Ascorbate Function in the Body

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Questions and Answers

What is the primary reason for scurvy, according to the text?

Maintaining normal connective tissue

Synthesis of carotenoids

Role in post-translational modification of collagens (correct)

Deficiency in Vitamin A

Which of the following functions as a reducing agent in different reactions?

Vitamin D3

Retinoic acid

Vitamin A

Ascorbate (correct)

Which vitamin is involved in the hydroxylation of proline residues in collagen?

Calcitriol

Vitamin D2

Vitamin A

Vitamin C (correct)

What symptoms are associated with scurvy, as mentioned in the text?

Muscle fatigue and decreased wound healing (D) Signup and view all the answers

What is the role of ascorbate in wound healing, according to the text?

Synthesizing collagen (C) Signup and view all the answers

What is the clinical significance of Vitamin D deficiency in children?

Causes rickets (A) Signup and view all the answers

What is the major function of Vitamin E?

Acting as a natural antioxidant (C) Signup and view all the answers

Which of the following is a clinical significance of Vitamin E deficiency?

Increased red blood cell fragility (A) Signup and view all the answers

What is the primary role of Vitamin K in the body?

Preventing excessive bleeding (B) Signup and view all the answers

Which proteins are maintained at normal levels by Vitamin K?

Factors II, VII, IX, X (D) Signup and view all the answers

What can be a result of Vitamin K deficiency in newborn infants?

Excessive bleeding due to impaired clotting (C) Signup and view all the answers

How does Vitamin E contribute to preventing peroxidation of membrane fatty acids?

By acting as a natural antioxidant (D) Signup and view all the answers

What is the most prominent function of vitamin C?

Helping wounds heal (C) Signup and view all the answers

Which group of diseases might vitamin C help protect against?

Heart disease (B) Signup and view all the answers

Where can vitamin C be found naturally?

Citrus fruits and vegetables (D) Signup and view all the answers

Which type of vitamin is vitamin C classified as?

Water-soluble vitamin (D) Signup and view all the answers

What happens to excess amounts of water-soluble vitamins like vitamin C in the body?

Leave the body through urine (D) Signup and view all the answers

Which of the following is NOT one of the fat-soluble vitamins mentioned in the text?

Vitamin B (B) Signup and view all the answers