Nutrition Ch. 8

Question 1

How much of the body is made up of water?

Answer 1

60%

Question 2

6 major functions of water in the body?

Answer 2

1. Transport nutrients
2. Cleansing agent
3. Lubricant
4. Protector
5. Temperature regulator
6. Chemical Reactor

Question 3

What does water balance mean?

Answer 3

consume as much water as you lose

Question 4

What sources of water come into the body?

Answer 4

Food, liquids, water created by metabolism

Question 5

Where is water lost out of the body?

Answer 5

Kidneys, skin, lungs, feces

Question 6

what are the 3 elements of thirst?

Answer 6

1. blood steals water from salivary glands
2. hormone response
3. message to the kidneys

Question 7

What is dehydration and the signs?

Answer 7

when thirst lags behind lack of water

Signs: Headache, fatigue, thirst, confusion, elevated heart rate.

Question 8

What is water intoxication and signs?

Answer 8

when too much water is consumed and electrolytes are thrown off balance, blood gets too diluted, and cells swell.

Question 9

what factors impact fluid needs?

Answer 9

Foods eaten, temperature and humidity, altitude, activity level, age, diseases like with medication.

Question 10

Difference between hard and soft water?

Answer 10

Hard water has high concentrations of calcium and magnesium and soft water has high sodium levels. people with high blood pressure should avoid soft water.