trace: zinc & copper

Question 1

zinc functions in ___ and protein digestion, by removing glutamic acid residues via the ____ enzyme

Answer 1

folate

conjugase

Question 2

AA, citric acid ___ zinc absorp, while phytate, oxalate, FOLIC ACID (Fe supplements) ____ zinc absorp

Answer 2

increase

decrease

Question 3

zinc RDA is 11 mg/d for men and 8 mg/d for women, and the best source is ____

Answer 3

oysters (seafood)

Question 4

zinc DEF will cause ______ taste while zinc TOX will cause a _____ taste as well as DERMATITIS

Answer 4

diminished (atrophy)

metallic

Question 5

folate is req to release ___ from the LIVER

Answer 5

vit a

Question 6

copper is found in the highest concentration in the __, ___ heart and kidney

Answer 6

liver

brain

Question 7

copper functions in both the synth of ____ (as a cytochrome) and in the cross-linking of ____ (lysyl oxidase)

Answer 7

ATP

collagen

Question 8

copper only req 900 micrograms/day and is found in ___, nuts and seeds

Answer 8

oysters

Question 9

acidity ___ copper absorp, while acid-reducing meds and zinc ___ copper absorp

Answer 9

increases

decreases

Question 10

GENETIC copper def due to increased Cu excretion is called

Answer 10

menkes syndrome

Question 11

symptoms of copper def include anemia, bone demineralization, and:

Answer 11

depigmentation of skin and hair

Question 12

copper toxicity is RARE but is seen in ____ disease and presents with _______ in the eyes as copper accumulates in them, the liver, brain, and kidneys

Answer 12

wilson’s

kayser-fleischer rings

Question 13

supplements of ____ DECREASE copper absorp, while ___ supplements increase copper EXCRETION

Answer 13

zinc

molybdenum