bioquimica fisiologica Flashcards
exames (26 cards)
What are vitamins?
Vitamins are organic compounds that are essential for normal growth and nutrition, required in small quantities in the diet.
True or False: Vitamins can be synthesized by the body.
False. Most vitamins cannot be synthesized by the body and must be obtained from the diet.
Fill in the blank: Vitamins are classified into two groups: ______ and ______.
fat-soluble; water-soluble
What are the fat-soluble vitamins?
A, D, E, and K.
Which vitamin is known for its role in vision?
Vitamin A.
What is the primary function of Vitamin D?
To regulate calcium and phosphorus in the body.
True or False: Water-soluble vitamins are stored in the body.
False. Water-soluble vitamins are not stored and excess is excreted in urine.
What is the main function of Vitamin C?
To act as an antioxidant and support the immune system.
List any two B vitamins.
Vitamin B1 (Thiamine) and Vitamin B12 (Cobalamin).
Which vitamin is crucial for blood clotting?
Vitamin K.
What is a common source of Vitamin E?
Nuts and seeds.
True or False: All vitamins are produced by plants.
False. Some vitamins are produced by animals and microorganisms.
What is the role of Vitamin B6 in the body?
It is involved in amino acid metabolism and neurotransmitter synthesis.
Fill in the blank: A deficiency of Vitamin C can lead to ______.
scurvy.
Which vitamin helps in the absorption of iron?
Vitamin C.
What is the recommended daily allowance (RDA) of Vitamin D for adults?
600 to 800 IU.
True or False: Excessive intake of fat-soluble vitamins can lead to toxicity.
True.
What is the role of folate (Vitamin B9) in nutrition?
It is essential for DNA synthesis and repair.
List two symptoms of Vitamin A deficiency.
Night blindness and dry skin.
What is the primary dietary source of Vitamin B12?
Animal products, such as meat and dairy.
Fill in the blank: The main function of Vitamin K is to promote ______.
blood clotting.
Which vitamin is also known as riboflavin?
Vitamin B2.
What are the consequences of Vitamin D deficiency?
Rickets in children and osteomalacia in adults.
True or False: Pregnant women require higher amounts of certain vitamins.
True.
