4.4 Minerals Part 4 Flashcards
What is hematocrit?
percentage of red blood cells in the blood
What populations are at a higher risk of anemia?
infants
preschoolers
teenagers
pregnancy
vegetarians
What is hemochromatosis?
genetic condition that leads to increased iron absorption
What can result from increased iron absorption?
organ damage due to build up in heart, muscles, and pancreas
What is the treatment for hematochromatosis?
frequent blood donation to thin red blood cells
Where is zinc primarily found?
muscle and bones
Where does most of our dietary zinc come from?
animal sources
What are the main functions of zinc?
DNA synthesis
cofactor for enzymes
wound healing
bone and sexual organ maturation
prevention of cell oxidation
growth
What are zinc deficiency symptoms?
acne-like rash
diarrhea
hair loss
reduced sense of taste and smell
impaired sexual development
delayed growth
learning disabilities
What populations are at risk for zinc deficiency?
alcoholics
vegans
poor children
elderly
What are the functions of selenium?
antioxidant
thyroid hormone metabolism
What are sources of selenium?
fish
meat
eggs
brazil nuts
What are symptoms of selenium deficiency?
muscle pain
muscle wasting
heart disease
What are the functions of iodide?
promote growth and development
regulate metabolism
thyroid hormone synthesis
What is goiter?
enlargement of the thyroid gland
