Vitamin Deficiencies and Symptoms Flashcards
Beri - Beri
Thiamin deficiency
can be wet (effects cardiovascular)
- causes increase heart rate and blood pressure
Can be dry (effects nerves and muscles)
- fatigue
- muscle weakness
- muscle paralysis
Wernickle-Karasakoff syndrome
Chronic thiamin deficiency
- imparted mental functions
- weakness/paralysis
Dietary sources of Thiamin
Pork
Enriched Grains
Ariboflavinosis
Riboflavin deficency
- vacularization of cornea
- stomatitis (oral cavities inflammation)
- cheilosis (cracks in corner of mouth)
- glossitis (tongue inflammation)
- seborrheic dermatitis
Dietary sources of Riboflavin
Milk/ dairy products
Pellagra
Niacin deficiency
- 4 D’s
- diarrhea
- dementia
- dermatitis
- death
Dietary sources of Niacin
Enriched grains
Niacin flush
Niacin toxicity
Vitamin B6 functions/deficiency symptoms
Amino Acid transformations
Deficiency symptoms are
- Lesions of skin and mucosa
- Neuronal dysfunction
- Sideroblastic anemia
Sideroblastic anemia
Caused by B6 deficiency
Bone marrow produces sideroblasts instead of RBCs
Causes RBCs to build up with iron
Vitamin B6 toxicity symptoms
Causes nerve destruction
- muscle function loss
- numbness
- paralysis
Dietary source of Vitamin B6
Protein-rich foods
Vitamin B12 and Folic acid functions/deficiency symptoms
Vit B12: Myelin sheath generation
Folic Acid: Transfer methyl groups
deficiencies in vitamin B 12 & Folic acid cause
Megaloblastic anemia
(Causes bone marrow to produce large abnormal red blood cells that cant circulate well).
- shortness of breath
- muscle weakness
- paleness/loss of appetite
- nausea/ diarrhea
Dietary source of folic acid
Green leafy vegetables & enriched grains
Dietary source of B12
Animal foods
Pantothenic acid functions/deficency symptoms
Aids in fatty acid synthesis and produced of CoA
Deficiencies cause burning feet syndrome
Dietary source of Pantothenic acid
Widely available
Biotin Functions/ deficency symptoms
Co-factor for carboxylating enzymes (makes them Function)
Deficiency symptoms include
- Seborrheic dermatitis
- Anorexia
- Nausea
- Muscular pain
Dietary sources of Biotin
Egg yolks, liver and GI bacteria
raw egg whites contain avidin which is an antagonist to Biotin absorption
Vitamin C functions/deficiency symptoms
Collagen synthesis and antioxidant
Deficiencies cause scurvy
- Abnormal bone development (infants only)
- Easy brushing/bleeding
- Poor gums and teeth
- Osteoporosis
Vitamin C toxicity symptoms
GI distress and dental erosion
Dietary sources of Vitamin C
Fresh fruits and vegetables
Vitamin A functions/deficiency symptoms
Night vision, supports immune system and is an anti-oxidant
Deficiencies cause
- Night-blindness
- Xerophthalmia ( abnormal dryness of eyes / keratinization of cornea)
Dietary sources of Vitamin A
Liver, milk
Vitamin A Toxicity
GI distress, headaches, liver damage
Vitamin D functions/deficiency symptoms
Regulates blood calcium levels
Vitamin D deficiency causes
- ricketts/ osteomalacia
- weak bones/ increased fractures
Dietary source of Vitamin D
Milk, sunlight
Vitamin D toxicity symptoms
- calcification of parts of the body
Hemolytic anemia in newborns
Causes by Vitamin E deficiency (not an issue in adults)
Dietary source of vitamin E
Plant oils
Vitamin K functions/deficiency symptoms
Aid in blood coagulation by carboxylating coagulative enzymes
- deficiency causes prolonged PT times in patients and easy bruising
Newborns/infants are at risk for what vitamin deficiencies/toxicities?
Vitamins E
Iron
Small bodies cause an increase chance of over consumption/absorption of minerals and nutrients (VERY likely as a fetus).
Elderly are at risk for what deficiencies/toxicities and why?
Vitamin D
Zinc
Usually caused by decline in GI function, poor oral health or chronic illnesses, and food-drug interactions
Alcoholics are at risk for what deficiencies/toxicities and why?
Most at risk population since alcoholism makes absorption of nutrients and minerals less effective as well as the metabolism of absorbed.
- Thiamin
- Riboflavin
- Niacin
- Vitamin B6, B12, C, A
- Biotin
- Pantothenic Acid
- Magnesium
Calcium function and deficiency symptoms
Function is muscle cell contractions
Deficiencies lead to
- osteopenia
- muscle cramping
Iron functions and deficiency symptoms
Function is to act as oxygen carrier in hemoglobin and electron receptor in ETC
Deficiencies lead to
- hypochromic and microcytic anemia (pale small RBCs)
- apathy
- lethargy
- fatigue
Dietary sources of calcium
Dairy, tofu, oranges
Dietary source of iron
Red meat, dark leafy vegetables
Calcium toxicity symptoms
Calcification of soft tissues
Iron toxicity symptoms
Gastric distress
Death in children
Magnesium functions and deficiency symptoms
Functions as ATPase cofactor
Deficiency symptoms are
- tetanus
- muscle weakness
- disturbed heart rhythm
Dietary sources of magnesium
Whole grain, nuts, chocolate
Magnesium toxicity symptoms
Cardiac arrest (unlikely to happen through diet though)
Potassium function and deficiency symptoms
Functions to maintain cell membrane potential
Deficiency symptoms are
- muscle weakness
- anorexia
Dietary sources of potassium
Fruits,vegetables, legumes
Potassium toxicity symptoms
Cardiac arrest (unlikely though nutrition with proper fluid intake)
Zinc function and deficiency symptoms
Function is to act as a metalloenzyme co factor
Deficiency symptoms are
- stumped growth
- poor wound healing
- alopecia
- scaly rash
- stunted sexual development in adolescents
Zinc dietary sources
Protein-rich foods
Zinc toxicity symptoms
Impaired immunity & copper absorption (high in plasma)
Fat soluble vitamins
Vitamins A,D,E,K
- more likely to experience toxicity since they are not readily soluble*
Water soluble vitamins
Vitamin C & B complex vitamins
less toxic except B6 & Niacin in high doses
B complex vitamins include?
Thiamin
Riboflavin
B6 & B12
Folic acid
Niacin
Pantothenic acid
Biotin
What vitamin deficiency is the leading cause of blindness?
Vitamin A
Top 3 most common vitamin deficiencies in the world
Vitamin A, Iron & Iodide
Iodine Functions and deficency symptoms
Function is to aid in synthesis of thyroid hormones
Deficiency symptoms include
- goiter development
- constipation
- sensitivity to cold
- brain fog
Bioavalibility definition
Percent of mineral that enters the body and is actually metabolized
Major differences between water soluble and fat soluble vitamins
Secretion time: water-soluble is readily available
Appearance of deficiency symptoms: water-soluble is quicker
Storage: fat-soluble can be stored
Vitamins that can be synthesized by humans
Vitamin D
Vitamin K
Niacin
Polar bear liver contains toxic levels of what?
Vitamin A
Food byproducts that bind minerals
Oxalates and Phytates