copper

Question 1

where are the highest concentrations of copper found

Answer 1

liver, brain, heart, kidney

Question 2

copper functions

Answer 2

required for iron transport out of the enterocyte, metabolism of superoxide, catecholamines, serotonin; synthesis of ATP and Peptide hormones; cross-linking of collagen

Question 3

copper RDA

Answer 3

adults=900 micrograms/d

Question 4

sources of copper

Answer 4

oysters, nuts and seeds, legumes, coca, dried fruits, meat

Question 5

increase copper absorption

Answer 5

citric acid, acidic enviroment

Question 6

decreases copper absorption

Answer 6

acidic reducing meds, zinc, phytate

Question 7

what does molybdenum do to copper

Answer 7

increases the excretion of copper

Question 8

who is at risk of copper deficiency

Answer 8

those taking antacids or zinc supplements, malabsorptive conditions, menkes syndrome

Question 9

symptoms of copper deficiency

Answer 9

anemia, depigmentation of skin and hair, bone demineralizatoin, neutropenia (impaired immunity

Question 10

TUI of copper

Answer 10

10mg/d

Question 11

symptoms of copper toxicity

Answer 11

nausea, vomiting, gastric pain, liver damage (jaundice), kidney damage (little to no urine outpu)

Question 12

wilson’s disease

Answer 12

impaired copper excretion, accumulates in brain liver kidneys and eyes. causes kayser fleischer ring around cornea

Question 13

which antioxidant enzyme require both zinc and copper

Answer 13

superoxide dismutase

Question 14

supplements of ____ decrease copper absorption while supplements of ______ increase copper excretion

Answer 14

zinc; molybdeum

Question 15

which genetic disorder is associated with an increase in copper excretion leading to deficiency

Answer 15

menkes syndrome