Fluid and Electrolytes

Question 1

What are the four ECF compartments?

Answer 1

Intravascular, interstitial, lymph, transcellular

Question 2

What is an electrolyte?

Answer 2

Substance whose molecules dissociate or split into ions when placed in water

Question 3

What is filtration pressure made of?

Answer 3

Hydrostatic pressure, oncotic pressure

Question 4

What is hydrostatic pressure?

Answer 4

Pressure exerted by fluid within a closed system - “push”

Question 5

What is oncotic pressure?

Answer 5

By proteins - “pull”

Question 6

What it the level of NaCl in the blood at normal levels?

Answer 6

0.9%

Question 7

Levels of sodium

Answer 7

135-145mEq/L

Question 8

Functions of sodium?

Answer 8

Water balance, major ECF cation, nerve impulses

Question 9

Potassium levels

Answer 9

3.5-5.0mEq/L

Question 10

Function of Potassium

Answer 10

Major ICF cation, cardiac conduction, metabolism

Question 11

Calcium levels

Answer 11

8.5-10.5 mg/dl

Question 12

Calcium function, what does it need to be absorbed?

Answer 12

Muscle contraction, blood clotting. Needs vit. D to be absorbed

Question 13

Phosphate levels (weird)

Answer 13

1.6-2.9mEq/L

Question 14

Phosphate functions

Answer 14

Forms bones and teeth, metabolism, regulates Ca levels, basically everything

Question 15

Magnesium levels

Answer 15

1.5-2.5mEq/L

Question 16

Magnesium functions

Answer 16

Operates Na-K pump, relaxes muscle contractions, nerve impulses, cardiac function, clotting, protein synthesis

Question 17

What effects fluid balance?

Answer 17

Age (old people less soggy), gender (women more fat cells), temp, lifestyle, diet, exercise, stress