Fat Soluble Vitamins

Question 1

Vitamin deficiency have been eliminated for most parts except what?

Answer 1

Vitamin D and Vitamin B12

Question 2

What type of vitamin are dissolved in lipid and fat solvent?

Answer 2

Fat soluble vitamins (ADEK)

Question 3

Fat soluble vitamins are transported via _____

Answer 3

Lymphatic system

Question 4

It is an essential component of rhodopsin

Answer 4

Vitamin A

Question 5

What is rhodopsin?

Answer 5

Eye pigment sensitive to light

Question 6

Rhodopsin splits into 2 protein garments when hit by light. What are these protein garments?

Answer 6

1. Opsin
2. Retinal

Question 7

What is the medical term for night blindness?

Answer 7

Nyctalopia

Question 8

Are potent antioxidants that have a role in preventing cancer and cataract

Answer 8

Vitamin A and carotenoids

Question 9

When vitamin A is released from the liver, it binds to (1) ____ and (2) ____

Answer 9

1. Retinol binding protein
2. transthyretin

Question 10

Primary food sources of Vitamin A

Answer 10

Fortified grains and vegetables

Question 11

Vitamin A: How many servings of fortified dairy product should be consumed per day?

Answer 11

2-4

Question 12

Vitamin A: How many servings of fruits should be consumed per day?

Answer 12

2-4

Question 13

How many servings of vegetables should be consumed per day?

Answer 13

3-5

Question 14

It is the active form of Vitamin A

Answer 14

Retinoids

Question 15

Retinol exists in the body as (3):

Answer 15

1. Retinal
2. Retinol
3. Retinoic Acid

Question 16

It is the precursor of Vitamin A

Answer 16

Carotenoids

Question 17

What is/are considers as pro vitamin A?

Answer 17

1. alpha carotene
2. beta carotene
3. beta cryptoxanthin

Question 18

carotenoids that can’t be converted into vitamin A (3)

Answer 18

1. lycopene
2. lutein
3. zeaxanthin

Question 19

What vitamin plays a major role in cell differentiation, reproduction,
bone growth, and tooth development ?

Answer 19

Vitamin A

Question 20

Which vitamin helps synthesize and maintain a healthy epithelia and integrity of immune system?

Answer 20

Vitamin A

Question 21

Which vitamin is important for the integrity of the oral cavity and has a role in preventing night blindness?

Answer 21

Vitamin A

Question 22

Give Vitamin A food sources

Answer 22

Fruits and vegetables with deep yellowish, orange, red, and dark green colors like:
1. Pumpkin
2. Sweet potato
3. Carrots
4. Spinach
5. Cantaloupe
6. Mango
7. Greens (kale)

Question 23

Vitamin deficiency which results to tissues failing to develop or regenerate properly

Answer 23

Vitamin A deficiency

Question 24

Severe vitamin A deficiency may cause what (3)

Answer 24

1. dryness of the skin
2. impaired visual dark adaption
3. eye discomfort

Question 25

What is the common sign of vitamin A deficiency?

Answer 25

keratinization

Question 26

It is the excessive deposition of keratin in hair follicles which causes bumping and pangingitim?

Answer 26

Follicular hyperkeatosis

Question 27

It is the inability of glands to produce tears

Answer 27

Xerophtalmia

Question 28

It is the drying and opaqueness of the cornea

Answer 28

Xerosis

Question 29

Occurs due to over supplementation of preformed Vitamin A

Answer 29

hypervitaminosis A

Question 30

TRUE or FALSE: B-carotene causes HVA

Answer 30

FALSE B-carotene intake will not cause HVA

Question 31

TRUE or FALSE: vitamin A excess may cause birth defect in fetus

Answer 31

TRUE

Question 32

Vitamin D is also known as _____

Answer 32

Calciferol

Question 33

Excess of this vitamin stimulates bone resorption and may be a risk factor for osteoporosis

Answer 33

hypervitaminosis A

Question 34

What is the most important form of Vitamin D

Answer 34

D3 or cholecalciferol

Question 35

2 active forms of calciferol

Answer 35

1. calcitriol 2. cholecalciferol

Question 36

Cholecalciferol in the skin

Answer 36

7-dehydrocholesterol

Question 37

Cholecalciferol in plants

Answer 37

D2 or ergocalciferol

Question 38

TRUE or FALSE: sunlight is a source of Vitamin D

Answer 38

FALSE Sunlight only activates vitamin

Question 39

Recommended Dietary Allowance of Vitamin A for (1) children and adults and (2) seniors over 70

Answer 39

(1) Children and adults: 15µg (600 IU) (2) Seniors over 70: 20µg (800 IU)