Fluids And Electrolytes AEMCA Prep

Question 1

What are the body fluid “compartments”?

Answer 1

INTRAcellular and EXTRAcellular

Question 2

Between the two compartments, how is fluid distributed?

Answer 2

33% extracellular fluid, 67% intracellular fluid

Extracellular fluid is separated into intravascular fluid (8%) and interstitial fluid (25%)

Question 3

What % of body weight is composed of body fluids in adults?

Answer 3

~60%

Question 4

What % of body weight is composed of body fluids in paediatrics?

Answer 4

~80%

Question 5

The higher someone’s total body fat is, the _____________ their % of body weight will be composed of water

Answer 5

Lower

Question 6

Someone with a high % of body fat will have (more/less) body fluids than someone with a low % body fluid

Answer 6

Trick question, they’ll both have relatively similar body fluid volumes. The only change is the ratio of body weight to body fluid

Question 7

True or false: Fatty (adipose) tissue has little to no water content?

Answer 7

This is true, fat tissue is essentially water-free.

Question 8

2/3 of the body’s total fluid volume is found in:

Answer 8

The cells

Question 9

What is the approximate total fluid volume in adults?

Answer 9

42 Litres

($840 worth of Nalgene water bottles)

Question 10

1/2 of the fluid in a newborn is…

Answer 10

Extracellular