weeks 1-3 COPY Flashcards
week 1-3 (7 cards)
What are the roles and deficiency symptoms of Vitamin B1 (Thiamine)?
Function: Supports energy metabolism and nerve function.
Deficiency: Beriberi (causes weakness, nerve damage, cardiovascular problems).
Sources: Pork, legumes, whole grains.
What is Vitamin B2 (Riboflavin) used for, and what happens if you lack it?
Function: Aids energy production and metabolizes fats, drugs, and steroids.
Deficiency: Ariboflavinosis (sore throat, dry mouth, inflammation, skin disorders).
Sources: Dairy, eggs, leafy greens.
What is Vitamin B3 (Niacin) responsible for, and what deficiency disease is linked to it?
Function: Supports energy production and DNA repair.
Deficiency: Pellagra (causes dermatitis, diarrhea, dementia).
Sources: Meat, fish, whole grains.
What are the roles of Vitamin B5 (Pantothenic Acid) and B6 (Pyridoxine)?
B5 (Pantothenic Acid): Needed for coenzyme A synthesis, fatty acid metabolism. Deficiency is rare but can cause fatigue, irritability, numbness. Found in chicken, beef, avocado.
B6 (Pyridoxine): Essential for amino acid metabolism and neurotransmitter synthesis. Deficiency leads to anemia, depression, confusion. Found in poultry, fish, bananas.
What does Vitamin B7 (Biotin) do, and what are symptoms of its deficiency?
Function: Aids carbohydrate, fat, and protein metabolism.
Deficiency: Rare, but causes hair loss, skin rashes, neurological issues.
Sources: Eggs, nuts, seeds.
What is the importance of Vitamin B9 (Folate), and why is it crucial during pregnancy?
Function: Supports DNA synthesis and cell division.
Deficiency: Megaloblastic anemia, neural tube defects in newborns.
Sources: Leafy greens, legumes, fortified cereals.
Why is Vitamin B12 (Cobalamin) important, and what are the effects of deficiency?
Function: Crucial for red blood cell formation and neurobiological function.
Deficiency: Pernicious anemia, neurological damage.
Sources: Meat, fish, dairy.