potassium, magnesium, iron, iodine

Question 1

when is low potassium diet used

Answer 1

renal failure
NO salt substitutions

Question 2

deficiency/ toxicity of potassium

Answer 2

hypokalemia or hyperkalemia
cardiac dysrhythmias

Question 3

magnesium functions

Answer 3

nerve and muscle action
bone formation
energy production – burning macronutrients

Question 4

lab for mag

Answer 4

1.5 to 2.5 mEq

Question 5

food sources for
magnesium

Answer 5

whole grains
almond milk
baked beans (legumes)
spinach

Question 6

special considerations for mag

Answer 6

IV used to treat in pregnancy …
- preterm labor
- pre-eclampsia
- prevent HTN and seizures

• also used to prevent cardiac dysrhythmias

Question 7

trace minerals

Answer 7

iron
iodine
zinc
selenium
fluoride
copper
manganese
chromium

Question 8

major function of selenium in the body

Answer 8

immune system
thyroid function
DNA production

Question 9

major function of fluoride in the body

Answer 9

dental and bone health

Question 10

iron functions

Answer 10

oxygen transport
immune function
growth needs

Question 11

sources of iron

Answer 11

animals
meats
clams and oysters
legumes/soy
spinach
vitamin C increases absorption from plant sources

Question 12

lab levels

Answer 12

hemoglobin: 4.5 to 6.5 or less than 7 for IDDM
RBC: 4 to 6 million

Question 13

S&S of iron deficiency anemia

Answer 13

• tachycardia
• fatigue and dizziness
• pale and sensitive to cold
• spoon shaped nails

Question 14

iron supplements needed for…

Answer 14

• pregnancy or lactation
• infants and toddlers
• teen girls
• vegans

Question 15

SE of iron supplements

Answer 15

• black tarry stools
• constipation
• GI irritation
• stained teeth (liquid form)
• overdose = deadly

Question 16

iodine function

Answer 16

allows synthesis of THYROID hormones