Copper

Question 1

copper food sources

Answer 1

• animal:
• -organ meat
• -shellfish
• plant:
• -nuts/seeds
• -legumes
• -dried fruit
• -potatoes
• -whole grains

Question 2

copper absorption enhancing factors

Answer 2

• amino acids

- organic acids

Question 3

copper absorption inhibiting factors

Answer 3

• phytate (grains)
• zinc
• iron
• Ca
• phosphorus
• V-C
• excessive antacid intake

Question 4

copper functions

Answer 4

• cofactor
• immune function
• nerve myelination
• helps Fe release from the liver storage causes hypochromic anemia when deficient

Question 5

oxidation status of copper in body

Answer 5

-produces hydroxy radicals through feriton reaction

Question 6

copper interaction with other nutrients

Answer 6

• V-C
• zinc (causes deficiency)
• iron (Cu helps iron mobilization from storage)
• Se (Cu deficit decrease GPx)

Question 7

copper deficiency

Answer 7

• hypochromic anemia
• • iron requires Cu fro RBC production
• -impaired immune function
• -increase demineralization of bone
• cardio/pulmonary dysfunction

Question 8

population at risk for copper deficiency

Answer 8

• consuming excessive zinc/antacids
• nephrosis
• celiacs and IBD

Question 9

copper toxicity

Answer 9

• rare
• Wilson’s
• genetic metabolic disorder
• Cu accumulation in organs
• abdominal pain
• nausea/vomiting/diarrhea
• liver/kidney damage
• psych symptoms
• gold rings in eyes

Question 10

copper transport in blood

Answer 10

• cerulosplasmin
• -copper carrying protein in blood
• -plays important role in metabolism