week 4

Question 1

what are the functions of water

Answer 1

– Nutrient transport– Protection– Temperature regulation– Biochemical reactions– Medium for reactions

Question 2

what is extracellular fluid?

Answer 2

• ouside the cell

Question 3

what is the meant by daily water balance

Answer 3

the difference between fluid gain (drinking water and food contributes to hydration too) and fluid lost
- the term used for someone that has water balance is (in fluid)

Question 4

1.how do we get water?
2.how does water get lost

Answer 4

1. • drinking water
   • food
   • metabolic reaction (some reactions make water but its not a lot of water that comes from it)

2
- exercise 1000 ml
- urine 1300 ml
- feces 100ml
- skin 600ml

Question 5

what is negative fluid balance

Answer 5

• ## due to dehydrtation

Question 6

what is the water balance for an active adult?

Answer 6

3200 ml

Question 7

what are the methods for water assessment?

Question 8

what is Osmolality with units

Answer 8

a measure of the total dissolved particle
concentration (in mOsm/kg)

Question 9

why do you loose more water when you exercise in hot enviroment

Answer 9

• -

Question 10

why do we sweat?

Question 11

why do athletes and not drink enough water during exercise?

Answer 11

• access to fluid intake during sport (for example, in
• even if you have full access its not that easy to balance that fluid intake during exercise.

Question 12

what percentage should you not go under of loss in fluid?

Question 13

what are the consequences of water loss?

Question 14

In individuals with low activity levels what is the main way water is lost and how much ml in a day?

Answer 14

• urinary loss is often the major component of fluid loss
• 1300 ml

Question 15

what are ways of water loos other that urination

Answer 15

• exercise (sweating)
• ## diarrea

Question 16

explain how an active adult (exercise) become dehydrated

Answer 16

• water loss exceeds water intake
• this leads to negative fluid balance
• causing dehydration
• the persion is fluid deficit

Question 17

what is the scientific way of stating fluid balance

Answer 17

• ## in fluid balance euhydration

Question 18

when is dehydration called hypohydration

Answer 18

• when that body water deficit is greater than that normal day to day fluctuation.

Question 19

what is the indication of dehydration in percentage of body mass

Answer 19

• dehydration greater that 1% of body mass
• dehydration of 1% body mass is normal flucuations in your day to day