Exam 3 minerals Flashcards
Water output major sources reordered: feces lungs Kidneys skin
Kidneys>skin>lungs>feces
Water Input major sources reordered
metabolism created
foods
liquids
Foods>liquids>water created by metabolism
Function _____:
- part of every living cell
- hemoglobin and myoglobin components
Iron
___ is a component of myoglobin and hemoglobin
Iron
Heme iron is from animals/plants while nonheme iron is from animals/plants
animals
plants
nonheme iron is less/more readily absorbed than heme iron
less
Iron RDA is higher/lower for women
higher
____ inhibit iron absorption while ___, Tannic acids, and Vitimin __ help iron absoption
Phylates inhibit
Vitimin C, tannic acid, and Calcium help
____1 deficiency:
- diminished ____1 stores (stored easily)
- transport ___1 decreases
- hemoglobin production declines
1* Iron
This describes ____ _____ _____ which is caused by an iron deficiency
- symptoms
- pica (craving for non food items)
- chronic fatigue
- cold intolerance
- exercise intolerance
iron deficiency anemia
____ toxicity
- supplements most common cause
- toxic amounts difficult to excrete
- acute poisoning is fatal
iron
Iron in excess can be
fatal
____
- function
- used with proteins for enzymes (over 300)
- vision
- immune functions (maintain)
- wound healing
- taste perception
- normal growth
Zinc
Zinc functions
- used with proteins for enzymes (over 300)
- vision
- immune functions (maintain)
- wound healing
- taste perception
- normal growth
Food sources of Zinc include
- protein foods (better absorbed than plant sources like iron)
- meats
- shellfish
- poultry
- plant sources
- legumes
- not as well absorbed
Animal sources are better/worse for Iron and zinc then plants sources
better
____ deficiency
- growth retardation
- digestive function
- diarrhea
- impaired immune response
Zinc deficiency
____ toxicity
- not from food sources
- supplements may cause toxicity symptoms
- fever
- nausea
- muscle in coordination
- may impair iron and copper absorption
Zinc Toxicity
Selenium main function is
assisting vitamin E as antioxidant, has a pairing effect with vitamin E
Selenium sources
- widely distributed in foods
- meats and shellfish
- vegetables and grains grown in rich soil
Selenium deficiency
- rare
- soil in US and Canada is rich in selenium
Selenium toxicity
Selenium toxicity
- possible especially if taken in supplement form
- results in hair loss, diarrhea and nerve abnormalities
- not common
- possible especially if taken in supplement form
- results in hair loss, diarrhea and nerve abnormalities
- not common
Selenium toxicity
____
- function
- primary role is in the synthesis of thyroid hormones
- hormones regulate
- metabolic rate
- body temperature
- reproduction
- growth
- nerve and muscle formation
Iodine