WorksheetsHydration
Total questions: 15
Worksheet time: 8mins
Is powerade Hypotonic, hypertonic, or Isotonic?
Hypotonic
Hypertonic
Osmosis
Isotonic
Define dehydration.
Lack of water in the body
Water loss in excess of 2% of body weight
Too much water in the body
Water loss in excess of 20% of body weight
Dehydration can cause an increase in blood viscosity. What does 'blood viscosity' mean?
Amount of blood
Thickness of blood
Amount of red blood cells in the blood
Speed of blood flow
2% loss of body weight through sweat can lead to ______% decrease in sporting performance.
20%
70%
0% (no change)
50%
An increase in blood viscosity can... (2 answers)
Increase heart rate
Decrease heart rate
Decreases blood flow to the surface of the skin which increases body temperature
Increase blood flow to the surface of the skin which decreases body temperature
Due to less blood being pumped to the working muscles (as blood moves from slowly when dehydrated), there is a decrease in oxygen delivered to the muscles.s
True
False
Name an electrolyte lost through sweating.
(a)
Why is oxygen needed during exercise?
Needed to produce ATP in the ATP-PC system.
Needed to produce ATP in the anaerobic system.
Needed to produce ATP in the aerobic system.
It is not required.
What is the recommended consumption of water per hour of activity?
1 litre
250-550ml
400-800ml
800-900ml
What do isotonic drinks contain?
Glucose (simple carbohydrates)
Glucose (simple carbohydrates) and water
Glucose (simple carbohydrates) and electrolytes
Water
Less oxygen being delivered to muscles results in
No change
Lactic acid
Sweating
Fatigue
Negative effects of dehydration include (3 answers)
Lactic acid
Poor decision making
Fatigue
Decrease in body temperature
Poor concentration
Loss of electrolytes lead to
Muscle cramp
Headaches
Dehydration
Fatigue
Blood consists of _____% plasma
45
55
65
75
Define euhydration
Normal state of body water content
Above normal state of body water content
Below normal state of body water content
Loss of water through sweating
