Fat-soluble vitamins and antioxidants

Question 1

Another name for Vitamin E?

What is its function?

Answer 1

• alpha-Tocopherol

- Antioxidant

Question 2

Vitamin E deficiency

Answer 2

• Hemolytic anemia
• Spinocerebellar degeneration . .Ataxia
• Peripheral neuropathy
• Proximal muscle weakness

Question 3

what are the characteristics of Vitamin C

Answer 3

• Water soluble
• Antoxidant
• Hydroxylation of prolyl and lysyl residues of collagen
• Required for Dopamine —> NE (Dopamine Beta-hydroxylase)
• Facilitates iron absorption in gut

Question 4

symptoms of vitamin A toxicity

Answer 4

• N/V
• Pseudotumor cerebri
• visual impairment
• Fatigue
• Ataxia
• Headache
• Dry skin
• Alopecia
• Hyperlipidemia
• Hepatotoxicity
• Arthralgia

Question 5

What enzymes are used to convert cholecalciferol to calcitriol?

Answer 5

• 25-alpha-hydroxylase (liver)

- 1-alpha-hydroxylase (Kidney)