Some questions may require several answers.

1. Which best describes gaseous exchange?

   1.   ?       The process of changing the quantities of carbon dioxide and oxygen between the blood and the lungs.
   2.   ?       The process of swapping carbon dioxide with oxygen during exercise.
   3.   ?       The process of increasing the amount of oxygen and carbon dioxide breathed in and out in one breath.

2. Efficiency of gaseous exchange MOST affects......

   1.   ?       The performance of an athlete in an endurance race.
   2.   ?       The performance of a skill or set of skills in a competition.
   3.   ?       The performance of a sprinter more than the performance of a marathon runner.
   4.   ?       The performance of a darts player.

3. Which gas is inspired and carried by the red blood cells to the muscles?

   
   
   Check Hint
   1.   ?       Oxygen
   2.   ?       Carbon Dioxide
   3.   ?       Nitrogen
   4.   ?       Helium

4. Which gas is expired in higher quantities than inspired?

   
   
   Check Hint
   1.   ?       Oxygen
   2.   ?       Carbon Dioxide
   3.   ?       Nitrous Oxide
   4.   ?       Methane
   5.   ?       carbon dioxide

5. During strenuous exercise, the amount of oxygen which travels to the muscles is:

   1.   ?       Higher
   2.   ?       Lower
   3.   ?       The same

6. The higher the intensity of exercise, the higher the number of heart beats per minute and the higher the breathing rate. True or False?

   1.   ?       True
   2.   ?       False

7. During recovery from a 400 metre competition, the performer's breathing and heart rate would slow down until it reached resting rate. Which would show the greater drop in rate (per minute)?

   1.   ?       Breathing rate (Breaths Per Minute)
   2.   ?       Heart rate (Beats Per Minute)

8. Water vapour is expired from the lungs as a product of metabolism. Is it expired in higher or lower volumes during exercise?

   1.   ?       Higher
   2.   ?       Lower

9. Which is the MOST LIKELY ratio of resting BREATHING rate to resting HEART rate?

   1.   ?       16 breaths to 70 heart beats
   2.   ?       5 breaths to 100 heart beats
   3.   ?       8 breaths to 60 heart beats
   4.   ?       16 breaths to 50 heart beats

10. An recreational athlete aged 35 who smokes measures his pulse rate and breathing rate 1 minute, 5 minutes and 10 minutes after an 800 metre race. Which is the most likely set of results?

    1.   ?       1 minute: 25 to 180
       5 minutes: 22 to 150
       10 minutes: 19 to 95
    2.   ?       1 minute: 30 to 220
       5 minutes: 30 to 180
       10 minutes: 25 to 50
    3.   ?       1 minute: 25 to 150
       5 minutes: 28 to 120
       10 minutes: 29 to 100