Fluid Intake Flashcards
How much of the body is made up of fluid?
60%
What value of the blood is osmolality?
285 – 295 mOsmol.kg-1 H2O
What is Dehydration?
• The process of losing fluid; everyone in here is dehydrating!
What is Hypohydration?
Physiological state of ‘too little’ total body water
What is Euhydration?
Physiological state of optimum ‘normal’ body water
What is Hyperhydration?
Physiological state of ‘too much’ total body water
What is Rehydration?
The process of gaining fluid; i.e. drinking
What 4 ways does body lose fluid?
Sweat (controlled variable) - Skin perspiration
Urine (controlled variable)
Respiratory water loss
Faeces
What 3 ways does the body gain fluid?
Ingested fluid
Fluid in food
Metabolic water gain
What is hypotonic?
Pure Water
What is isotonic?
Salty Water
What is hypertonic?
Very salty water
What happens to the osmolality when we drink too much?
Decrease osmolality
If the level of dehydration is at 9-10% what side effects can you expect?
Exhaustion
collapse
death
Name 3 hydration assessment methods?
- Body mass
- Urine
- Blood