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Human Nutrition > Micro Minerals (Exam 2) > Flashcards

Micro Minerals (Exam 2) Flashcards

1
Q

List of microminerals

A

Iron
Zinc
Fluoride
Manganese
Copper
Iodine
Selenium
Molybdenum
Chromium

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2
Q

What is nonheme iron

A

only source of iron that is in pant foods

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3
Q

Funcitons of iron

A

it is used by enterocytes
hemoglobin in rbc by transporting O2 and CO2
Myoglobin in muscle cells (binds O2)
ETC
Carnitine, collagen synthesis
enzyme cofactor
immune function
drug detoxification

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4
Q

where is iron in your body

A

2/3 of it is in RBC
rest stored in liver, marrow, spleen

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5
Q

what does a person deficient in iron likely have

A

anemia is the most common, but deficiency is a severity spectrum

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6
Q

why are athletes at an increased risk for iron deficiencies ?

A

low dietary intake
loss through sweat
increased demand for hemoglobin and myoglobin due to training and sport.

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7
Q

Zinc functions

A

cofacter in over 200 enzymatic systems like..
wound healing
growth and maintenance
protein synthesis
CNS, GI, and reproductive systems
alcohol dehydrogenase
folate metabolism

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8
Q

Fluoride functions

A

bone and tooth mineralization
prevents dental caries
ligament and tendon strength

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9
Q

manganese functions

A

is and enzyme cofactor for
metabolism
antioxidant
and tissue growth

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10
Q

Functions of copper

A

iron metabolism
antioxidant cofactor
enzyme cofactor in tissue growth and energy metabolism

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11
Q

functions of iodine

A

thyroid hormones
metabolism

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12
Q

how is iodine found

A

in its ion form of iodide

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13
Q

what foods are high in iodine

A

cod, corn grits, milk, white bread, beef liver, shrimp, etc

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14
Q

is selenium a metal or nonmetal

A

non metal

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15
Q

what mineral is selenium(trace mineral) similar to

A

Sulfur

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16
Q

is selenium understood

A

no, it has various poorly understood roles

17
Q

how many selenoproteins/antioxidants does selenium have and what do they do

A

over 25
they prevent dna damage, protect heart, and aid in cancer prevention

18
Q

other functions of selenium

A

enzyme cofactor
immune function
thyroid function
muscle health
cardiomyopathy

19
Q

functions of molybdenum

A

component of enzymes
antioxidant cofactor
enxyme cofactor in metabolism of amino acids containing sulfur

20
Q

functions of chromium

A

enhances function of insulin
decreases cellular insulin resistance

21
Q

what foods contain chromium

A

egg yolk, bran , cereal, organ meat, meat, beer, some plants depending on soil content

22
Q

are you going to ace this test

A

YES!

Human Nutrition (6 decks)

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