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WorksheetsVitamin A
Total questions: 10
Worksheet time: 5mins
Which statement is true about beta-carotene?
It is absorbed up to four times more efficiently than retinol.
It is found in fruits and vegetables.
It is found in dairy products.
It is found in liver.
Which of the following is NOT a function of Vitamin A?
Vision
Immune function
Cell production and differentiation
Blood clotting
Which of the following vitamins play a very key role in eyesight including night vision and color recognition?
a. vitamin A
b. vitamin B
c. vitamin K
d. all of the above
Which if the following foods are rich in Vitamin A?
a. milk fortified with vitamin A
b. liver
c. orange fruits and vegetables (like cantaloupe, carrots, sweet potatoes)
d. all of the above
Which vitamin is required for vision in dim light?
Vitamin A
Vitamin D
Vitamin E
Vitamin K
What are the health effect of vitamin A deficiency?
hypercarotenemia
hypertension
xerophthalmia
myalgia
Retinol can be found in all of the following, EXCEPT
liver
meat
yellow fruit
eggs
All of the following is true about provitamin A, EXCEPT
Beta carotene is the most abundant provitamin A.
Preformed vitamin A.
Present in plant-based food.
Example source of provitamin A is bright yellow fruits.
All of the following is true about retinol, EXCEPT
70-90% of preformed (retinoids) vitamin A is absorbed.
Retinol released from food proteins combine with bile to form micelles.
Retinol can be transferred from liver to the tissues by being bound to retinol-binding protein.
Present in plant-based food.
Which of the following is not true about vitamin A?
Unconverted carotenoids may function as antioxidants in the body
Absorbed vitamin A is transported from the intestine in chylomicrons
Active vitamin A is refers to substance that is transformed into vitamin in the body.
The fat content of the diet and the ability to absorb fat can affect the amount of vitamin A that is absorbed
