NFS284 Final Exam UPDATED ACTUAL Questions and CORRECT Answers
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Course
NFS284
Institution
NFS284
NFS284 Final Exam UPDATED ACTUAL
Questions and CORRECT Answers
Accretion - CORRECT ANSWER- uptake and accumulation of calcium from the diet
Relation b/w estrogen and bones - CORRECT ANSWER- estrogen stimulates osteoblast
acitivy
osteoblast - CORRECT ANSWER- bone-forming ce
,Function of chromium - CORRECT ANSWER✔✔- Enhance insulin function
Heme iron - CORRECT ANSWER✔✔- -from animal sources
-best absorption
Non-heme iron - CORRECT ANSWER✔✔- -from plant sources
-less absorption
Ferric (Fe3+) --> Ferrous (Fe2+) reason - CORRECT ANSWER✔✔- Ferrous form more
absorbable
Ways to improve iron absorption - CORRECT ANSWER✔✔- -ferrous form
-vit C
-Meat fish poultry protein (MFP)
hemosiderin - CORRECT ANSWER✔✔- iron storage in liver
Ferritin - CORRECT ANSWER✔✔- stores iron in cells
Why is iron always bound to a protein? - CORRECT ANSWER✔✔- To avoid oxidative
stress (free iron has fenton rxn)
Order of loss of iron - CORRECT ANSWER✔✔- serum ferritin (stores) --> serum iron
bound to transferrin (plasma) --> hemoglobin and hematocrit (volume of RBC)
Catalase - CORRECT ANSWER✔✔- converts hydrogen peroxide to water
mineral that interferes w/ iron absorption - CORRECT ANSWER✔✔- calcium
Result of high zinc intake - CORRECT ANSWER✔✔- stimulates synthesis of
metallothionein --> reduces copper absorption -->copper deficiency --> iron deficiency
trace minerals - CORRECT ANSWER✔✔- require <100mg
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