Potassium

Question 1

potassium is the major cation in _____ fluid

Answer 1

intracellular

Question 2

potassium functions

Answer 2

fluid balance, Na/K ATPase pump (nerve transmission, muscle contraction), inhibits Ca excretion

Question 3

RDA for potassium

Answer 3

Adults= 4700mg/d

Question 4

very high sources of potassium >300 mg/serving

Answer 4

banana, cantaloupe, papaya, dried fruit, avocado, milk, sweet potatoes and white potatoes, squash, corn

Question 5

high sources of potassium (200-300mg/serving)

Answer 5

kiwi, orange, peach, mushrooms, pumpkin, nuts, chocolate

Question 6

what is potassium deficiency calle

Answer 6

hypokalemia

Question 7

what are he symptoms of hypokalemia

Answer 7

cardiac arhythmias, myopathy, irritability, mental confusion, glucose intolerance

Question 8

what is potassium toxicity called

Answer 8

hyperkalemia

Question 9

who is at risk of hyperkalemia and what are the symptoms

Answer 9

risk: patients with kidney disease symptoms: cardiac arrhythmias, cardiac arrest

Question 10

which mineral stabilizes ATP

Answer 10

magnesium

Question 11

where are you more likely to find magnesium and potassium

Answer 11

plant products

Question 12

magnesium deficiency may present as_____; while a toxicity may present as _____

Answer 12

muscle weakness; slurred speech

Question 13

which mineral is utilized by kinases

Answer 13

magnesium

Question 14

what is an indicator of both hypo- and hyperkalemia

Answer 14

cardiac arrythmias

Question 15

hyperphosphatemia leads to decreased _____ absorption

Answer 15

decreased calcium absorption

Question 16

hypmagnesemia decreases parathyroid hormone which _____ ca absorbtion

Answer 16

decreases

Question 17

hypernatremia increases Ca ______

Answer 17

excretion

Question 18

hyperkalemia increases calcium _____ and can lead to ____.

Answer 18

absorption and can lead to hypocalcemia