Module 2- Body Fluids

Question 1

fluids bathe our cells to maintain homeostasis. true or false?

Answer 1

true. 
when we drink fluid it goes thru a path: 
a) digestive system
b) circulatory system
c) cells
d) lymphatic system
e) circulatory system

Question 2

what are the 2 major body fluid compartments?

Answer 2

1) INTRAcellular fluid (ICF) –> inside all cells, 70% of body fluids
2) EXTRAcellular fluid (ECF) –> outside cells, makes up internal enviro of body, 2 components:
a) interstitial fluid–> directly outside cells to bathe them
b) plasma–> watery part of blood

Question 3

what is the average total body water amount and distribution?

Answer 3

average TBW is 42 litres.

• ICF is around 67%
• interstitial is 26%
• plasma is 6%

Question 4

what is plasma made of?

Answer 4

• 92% water
• 8% other substances–> proteins, ions, nutrients, waste, etc
• it is a COLLOIDAL solution–> plasma proteins are SUSPENDED in the fluid

Question 5

SALTY CHOCOLATE BANANA

Answer 5

to remember % distribution of cell ions inside/outside:
salt on outside–> NA and CL
chocolate on outside–> CA

banana on inside–> K