Essential Nutrients: Minerals

Question 1

Which is the most abundant cation in the body?

Answer 1

Calcium

Question 2

What are some important functions of calcium?

Answer 2

.Major component of bones and teeth
.Aids in vitamin B12 absorption

Question 3

Tolerable UL of calcium

Answer 3

2-3 g/day

Question 4

Which two salt forms of calcium are insoluble in water?

Answer 4

.Calcium carbonate
.Calcium phosphate

Question 5

What are the two forms of dietary iron?

Answer 5

.Heme - in meats, well absorbed
.Non-heme - in enriched grains and dark green vegetables, poorly absorbed

Question 6

Tolerable UL of iron

Answer 6

45 mg/day

Question 7

Tolerable UL of magnesium

Answer 7

350 mg/day

Question 8

When is magnesium overdose not harmful to patients?

Answer 8

Patient has normal renal function

Question 9

Potential causes of phosphorus deficiency

Answer 9

.Long term aluminum hydroxide use
.High serum calcium

Question 10

Supplementation of which mineral should be avoided in Wilson’s disease?

Answer 10

Copper

Question 11

Which mineral is necessary to synthesize thyroxine and triiodothyroxine?

Answer 11

Iodine

Question 12

True or false: GI tract abnormalities can cause zinc deficiency

Answer 12

True

Question 13

Tolerable UL of zinc

Answer 13

40mg/day

Question 14

Which minerals are harmful in high doses?

Answer 14

.Calcium
.Iron
.Fluoride
.Zinc
.Copper