Chapter 10 Flashcards
Which of the following is true of vitamins in general
They help enzymes participate in release of energy from carbohydrates, proteins, and fats
Which statement is true of precursors ?
They describe vitamins that are inactive in food but become active once inside the body
The _______ of vitamins in food is the amount absorbed and used by the body
Bioavailability
One difference between water soluble vitamins and fat soluble vitamins is that
Water soluble vitamins need to consumed more frequently than fat soluble vitamins
Which of the following vitamins is not water soluble
Vitamin K
Which of the following is not a role of thiamin
DNA synthesis
Vitamin ______ is rich in fruits and vegetables; assists in the formation of collagen, acts as an antioxidant, supports immune system, and improves the absorption of noheme iron
Vitamin C
Functions as part of the phospholipid that makes up cell membrane; it functions in liver metabolism; it participates in nerve transmission; it assists in the transport of lipids as part of the VLDL; and it plays a key role in fetal development
Choline
All water soluble vitamins are carried throughout the body in
Water
The B vitamins thiamin, niacin, pantothenic acid, biotin, and vitamin B6 acts as _______ in the process of breaking down carbohydrates, proteins, and fats to ATP
Coenzymes
Babies born to mothers who are deficient in _______ have a higher risk of permanent neural tube defects such as spina bifida
Folate
Vitamin B1
B2
B3
B5
B6
B7
B9
B12
Thiamine
Riboflavin
Niacin
Pantothenic acid
Pyridoxin
Biotin
Folate
Cobalamine
Inflammation of the membranes of the mouth, skin, eyes, GI tract
Pellagra
Neurological damage
Macrocytic anemia
Impaired memory and cognition
Riboflavin
Niacin
B6
Folate
B12
Which of these vitamins is necessary for the coenzymes of the various metabolic pathways
Niacin
Biotin
Riboflavin
Thiamin
B12
All are necessary
Which of the following is not a vitamin nor is it an essential nutrient
Carnitine