PPP 2 - Body Fluids and Blood Study Guide Test.
What are the body fluid compartments? - CORRECT ANSWER * Intracellular* - inside each cell is a compartment, surrounded by plasma membrane and containing fluid. Around cells is extracellular fluid
*Vascular system* - transports fluid in blood. P...
PPP 2 - Body Fluids and Blood Study
Guide Test.
What are the body fluid compartments? - CORRECT ANSWER * Intracellular* - inside each cell is a
compartment, surrounded by plasma membrane and containing fluid. Around cells is extracellular fluid
*Vascular system* - transports fluid in blood. Plasma is an example and is part of ECF.
*interstitial* is the fluid that is part of the extracellular fluid that is outside the vascular and lymphatic
systems, bathing the cells. It surrounds cells in the various tissues of the body.
What seperates ECF from ICF? - CORRECT ANSWER Plasma membrane
What separates Interstial fluid and blood plasma? - CORRECT ANSWER Capillary walls
What proportion of body is intraceullar vs extracellular fluid? - CORRECT ANSWER 1/3 of total body
water is extracellular
2/3 of total body water is intracellular
So for 60% of a typical man, TBW would be around 42L.
So around 14L would be extracellular and 28L would be intracellular
How much % of total body weight is water? - CORRECT ANSWER 60% of total body weight in the average
young male is WATER.
So for an average man, total body water (TBW) it is 42L
This fluid will be distributed between the compartments (ECF + ICF)
, What are components of extracellular fluid? - CORRECT ANSWER ECF is around 1/3 of TBW. So around
28L.
(Remember TBW = 60% total body weight therefore 42L).
ECF is made up of:
*15% interstitial fluid* around 10.5L
+
*5% plasma* = around 3.5L
How much is total blood volume? - CORRECT ANSWER So plasma makes up 5% of TBW. Which is 3.5L
However, total blood volume is 8% of TBW = 5.5L
That's because blood cells also have intracellular fluid within it
What is a body fluid compartment? - CORRECT ANSWER Physiological collections of organs and tissues
containing water, separated by cell membrane.
How do you calculate total body water from a given weight? - CORRECT ANSWER 0.6 x (body weight)
How do you calculate ICF from a given weight? - CORRECT ANSWER 0.4 x (body weight)
How do you calculate ECF from a given weight? - CORRECT ANSWER 0.2 x (body weight)
What are some types of other fluid compartments? "Transcellular fluids" - CORRECT ANSWER CSF
Aqueous and vitreous humour
Synovial fluid
Amniotic fluid
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