responses to physical activity

Question 1

immediate respiratory responses to physical activity

Answer 1

1. increased respiratory rate
2. increased gas exchange
3. increased oxygen uptake
4. increased tidal volume

Question 2

immediate circulatory responses to physical activity

Answer 2

1. increased cardiac output
2. increased heart rate
3. increased stroke volume
4. increase in blood pressure
5. temperature regulation
6. selective redistribution of blood
7. increased AVO2 difference

Question 3

long term respiratory aerobic training adaptations

Answer 3

1. increased tidal volume
2. increased pulmonary diffusing capacity
3. increased lung/vital capacity
4. decreased ventilation at rest
5. increased ventilatory efficiency

Question 4

long term cardiovascular aerobic training adaptations

Answer 4

1. increased stroke volume
2. increased maximum cardiac output
3. increased total blood volume + hemoglobin
4. decreased blood pressure
5. increased number of capillaries

Question 5

long term muscular aerobic training adaptations

Answer 5

1. increased mitochondria
2. increased AVO2 difference
3. increased aerobic enzymes
4. increased myoglobin
5. increased capillaries
6. increased glycogen storage
7. fibre type conversion
8. free fatty acids
9. increased recycling lactate
10. decreased myocardial oxygen cost

Question 6

long term performance aerobic training adaptations

Answer 6

1. anaerobic or lactate threshold
   - tolerate of lactic acid
   - more O2 tolerance
2. increased VO2 max

Question 7

long term muscular anaerobic training adaptations

Answer 7

1. muscle hypertrophy
2. increased glycogen stores
3. increased glycotic enzymes
4. increased muscular stores ATP and PC
5. increased speed and force of contraction as a result of nervous system adaptations