Trace/UT Minerals-Misc Flashcards Preview

Nutrition-Exam #2 > Trace/UT Minerals-Misc > Flashcards

Flashcards in Trace/UT Minerals-Misc Deck (9)
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1
Q

HEME IRON (Fe) is ________ (more/less) absorbed than NON-HEME IRON

A

more

2
Q

HEME IRON and NON-HEME IRON are BOTH absorbed by __________

A

facilitated diffusion

3
Q

HEME IRON is absorbed by FACILITATED DIFFUSION BY ________, and the IRON is released via ________

A
Hcp 1 (heme carrier protein)
heme oxygenase
4
Q

NON-HEME IRON is absorbed by FACILITATED DIFFUSION by ________, which will be anything with ________

A

DMT

anything with a 2+ charge

5
Q

NON-HEME IRON is digested by ________, which requires ________

A

ferrireductase

vit. C

6
Q

IRON (Fe) is transported OUT of the ENTEROCYTE by ________, which uses ________

A

ferroportin

copper (Cu)

7
Q

IRON (Fe) is transported in the BLOOD by ________

A

transferrin

8
Q

IRON (Fe) is stored by the protein ________, which is found in ________ (4)

A
ferritin 
spleen
liver
bone marrow 
enterocyte
9
Q

ZINC (Zn) causes a DECREASED absorption of ________ (2)

A

folic acid

* supplements