intro to fluids

Question 1

Total body water (percent of body weight) in infants

Answer 1

70% (bc of low body fat and bone mass)

Question 2

Total body water (percent of body weight) in males

Answer 2

60%

Question 3

Total body water (percent of body weight) in females

Answer 3

50% (higher percent of fatty tissue

Question 4

Total body water (percent of body weight) in elderly/obese

Answer 4

lower proportion of water

Question 5

What is intracellular fluid (ICF)

Answer 5

water within cells

Question 6

what is extracelular fluid (ECF)

Answer 6

water outside cells

Question 7

Electrolyte properties

Answer 7

ionic bonds, dissociate into ions in water, conduct electrical currents, cause fluid shifts.

Question 8

Non-Electrolyte properties

Answer 8

covalent bonds, don’t dissociate in water, dont conduct electricity, can cause fluid shifts.

Question 9

What control fluid balance

Answer 9

Thirst mechanism (hypothalamus), Antidiuretic Hormone (ADH), Atrial natriuretic peptide

Question 10

how does water move between ivf and isf compartments

Answer 10

hydrostatic pressure (pushes water out of IVF into ISF) and Osmotic prssure (does the opposite).