Fat Soluble Vitamins

Question 1

Vitamin A (Retinoids & Carotenoids) Functions

Answer 1

• Vision
• Cell Differentiation
• Reproduction & Growth
• Antioxidant (Carotenoids only)

Question 2

Vitamin D Functions

Answer 2

• Maintaining Calcium and phosphorous Levels
• Promotes Ca absorption at SI
• Reduces Ca excretion at kidneys
• Mobilizes Ca from bone
• Reduced risk of cancer growth, diabetes 1, MS, high blood pressure

Question 3

Vitamin E Functions

Answer 3

• antioxidant
• helps prevent heart disease, cancer, macular degeneration, Alzheimer’s, & other chronic diseases
• anti-inflammatory role

Question 4

Vitamin K Function

Answer 4

• synthesis of blood clotting proteins

- Synthesis of bone remodelling proteins

Question 5

Vitamin A deficiency

Answer 5

Poverty stricken, people on very low fat or low protein diets are at risk.
-Night blindness, xerophthalmia, poor growth, dry skin, impaired immune function

Question 6

Vitamin D Deficiency

Answer 6

People living at latitudes with insufficient sunlight are at risk.
-Rickets in children, osteomalacia and osteoporosis in adults, increased risk of fractures

Question 7

Vitamin E Deficiency

Answer 7

People with poor fat absorption & premature infants are at risk.
-Breakdown of cell membranes, hemolytic anemia, poor muscle coordination, weakness, impaired vision

Question 8

Vitamin K Deficiency

Answer 8

Newborns and people on longterm antibiotics are at risk

- Bruise easily, bleeding, anemia, brain damage, decreased bone density

Question 9

Vitamin A Toxicity

Answer 9

Retinoids only: Nausea, headaches, dizziness, blurred vision, lack of muscle coordination, bone fractures, birth defects

Question 10

Vitamin D Toxicity

Answer 10

nausea, vomiting, loss of appetite, fatigue, kidney damage, hypercalcemia (calification of tissue)

Question 11

Vitamin E Toxicity

Answer 11

inhibition of vitamin K activity (interference with blood clotting)

Question 12

Vitamin K Toxicity

Answer 12

non toxic

Question 13

Sources of Vitamin A

Answer 13

Retinoids: liver, fish, fortified milk, margarine, butter, eggs
Carotenoids: carrots, greens, sweet potatoes, broccoli, apricots, cataloupe

Question 14

Sources of Vitamin D

Answer 14

egg yolk, liver, fish oils, tuna, salmon, fortified milk,

synthesized from sunlight

Question 15

Sources of Vitamin E

Answer 15

Vegetable oils,leafy greens, seeds, nuts, peanuts

Question 16

Sources of Vitamin K

Answer 16

vegetable oils, leafy greens.

synthesized by intestinal bacteria