Nutrition/Vits Flashcards
Vit A Role
growth + cell development
-promotes healthy skin, hair, nails, gums, glands, bones, teeth and night vision
Sources of Vit A
Salmon (other cold water fish)
-Egg yolks
-Fortified products
-Spinach
What is Vit B1 and what is it important for
-Thiamine
Necessary for growth, development and function of cells
Sources of thiamine (B1)
Yeast, legumes, pork, brown rice, fortified breakfast cereals
What does a def of Vit B1 (thiamine) cause
Beriberi/Wernicke-Korsakoff syndrome
s/s- double vision, ptosis, irregular eye mvmts, loss of mm codination, confused mental state, amnesia
What is Vit B2 and what does it do
Riboflavin
-Helps break down macros, and important for energy supply, maintains mucus membranes
Sources of VIt B2
Fish, chicken, beef, turkey eggs
What does Vit B2 def cause
poor diet or chronic alcoholism
-Angular chelitis, cracked and dry lips, mouth ulcers
What is Vit B3 and sources
Niacin
-Yeast, milk, meat, cereal grains
What is the Vit B3 def
Pellagra
Diarrhea
Demenntia
Death
dermantitis
What is Vit B5 and roles
Pantothenic acid
-converts food to energy
-critical to the manufacturing of RBCs, sex and stress related hormones
-needed to synthesize cholesterol
What is vit B6 and role
Pyroxidine
-for normal brain development and for keeping nervous system and immune system healthy thru NT synthesis and histamine synthesis
What is Vit B7 and role
Biotin
-popularized as a way to prevent hair loss and restore hair growth as well as improve health of nails
What is Vit B9 and role
Folate
-breaks down homocysteine, needed to produce healthy RBC, critical during periods of rapid growth and during preg
What happens in def of VIt B9
mc causes megaloblastic amenia or Neural tube defects
What is Vit B12 and how is it absorbed
Combines with intrinsic factor to then be absorbed within the distal ileum
What happens in a def of Vit B12
pernicious anemia
What is the role of Vit K + sources
plays an important role in blood clotting to prevent excessive bleeding from occurring
-Leafy greens, meats, cheeses
What happens in a Vit K def
typically in those with thrones or celiac
ss- can increase clotting time, leading to excessive bleedeing
def of calcium effects
mm cramps
numbness/tingling
convulsions
lethargy
osteoperosis
heart arrthmyias
Why does a potassium def happen and s/s
occurs as a result of excessive diarrhea or dietary depletion
-constipatuon, fatigue, mm weakness, malaise
Magnesium sources
Legumes, nuts seeds, milk, yogurt
When does a megnesium def occur
Long standing kidney disease or thrones
-loss of appetite, nausea, vommiting, fatigue, weakness
What are the essential aminos
PVT TIM HALL
Phenyalanine
Valine
Tryptophin
Threonine
isoleucine
methione
Histidine
Arginine
leucine
lysine
