sodium

Question 1

sodium is a major _____ in extracellular fluid

Answer 1

cation

Question 2

functions of sodium

Answer 2

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

Question 3

how does sodium maintain osmotic pressure

Answer 3

with K and Cl

Question 4

sodium is regulated by?

Answer 4

aldosterone

Question 5

sodium ingestion=

Answer 5

excretion rates, 95% of sodium excreted in urine

Question 6

what can cause sodium and fluid retention

Answer 6

estrogen

Question 7

RDA for sodium

Answer 7

1500mg

Question 8

sources of sodium

Answer 8

salt, processed or canned food, condiments, cured meats, naturally found in meats, veggies and grains

Question 9

symptoms of sodium deficiency

Answer 9

muscle cramps, nausea, vomiting, dizziness, coma, seizures

Question 10

what is sodium deficiency called? who is at risk?

Answer 10

hyponatremia, risk: excessive sweating and severe trauma

Question 11

TUI of sodium

Answer 11

2300mg/d

Question 12

what is sodium toxicity called? who is at riske?

Answer 12

hypernatrmia. risk: elderly and kidney disease

Question 13

what are the symptoms of hypernatremia

Answer 13

hypertension, hypocalcemia, osteroperosis, tetany

Question 14

excess N can increase?

Answer 14

calcium excretion