Worksheetsimmediate physiological responses to training
Total questions: 20
Worksheet time: 10mins
What is the immediate physiological response of heart rate to training?
It stops temporarily.
It increases from the resting value.
It remains constant.
It decreases significantly.
What is stroke volume?
The amount of air inhaled per breath.
The number of times the heart beats in a minute.
The amount of blood pumped out of the left ventricle per contraction.
The amount of lactic acid in the blood.
How is cardiac output calculated?
By adding stroke volume and heart rate.
By multiplying stroke volume by heart rate.
By dividing stroke volume by heart rate.
By multiplying heart rate by ventilation rate.
What happens to ventilation rate during intense exercise?
It remains unchanged.
It decreases to conserve energy.
It stops to prevent hyperventilation.
It increases to remove more carbon dioxide.
What causes lactate levels to rise during exercise?
Decreased ventilation rate.
Increased use of the aerobic energy system.
Decreased heart rate.
Increased use of the lactic acid energy system.
What is the primary function of increased blood flow during exercise?
To decrease body temperature.
To increase lactic acid production.
To increase oxygen delivery and remove waste products.
To reduce heart rate.
What is the average stroke volume for a human at rest?
50 mL
70 mL
120 mL
100 mL
What is the role of vasodilation during exercise?
To decrease resistance to blood flow.
To reduce blood flow to muscles.
To decrease stroke volume.
To increase resistance to blood flow.
What is the lactate inflection point?
The point where lactate levels rise rapidly.
The point where lactate levels stabilize.
The point where lactate levels decrease.
The point where lactate levels are zero.
How does heart rate change before exercise in trained athletes?
It stops temporarily.
It increases slightly in anticipation.
It decreases significantly.
It remains constant.
What is the typical cardiac output at rest for both trained and untrained individuals?
7 Litres per minute
5 Litres per minute
3 Litres per minute
10 Litres per minute
What happens to stroke volume during high-intensity exercise?
It increases.
It remains constant.
It decreases.
It stops.
What is the primary reason for increased heart rate during exercise?
Decreased blood flow.
Increased oxygen demand.
Decreased carbon dioxide production.
Increased lactic acid removal.
How does ventilation rate change after exercise?
It remains elevated indefinitely.
It gradually returns to normal.
It decreases immediately to resting levels.
It stops completely.
What is the effect of aerobic training on lactate levels?
Lactate levels rise continuously.
Lactate levels are unaffected.
Lactate levels drop to zero.
Lactate levels remain stable.
What is the effect of regular aerobic exercise on resting heart rate?
It remains unchanged.
It increases significantly.
It decreases over time.
It fluctuates randomly.
How does the body primarily increase oxygen delivery to muscles during exercise?
By reducing blood flow to the skin.
By decreasing ventilation rate.
By increasing stroke volume and heart rate.
By decreasing heart rate.
What physiological change occurs in the blood vessels during prolonged exercise?
No change in blood vessel diameter.
Vasoconstriction to reduce blood flow to muscles.
Vasodilation to enhance blood flow to muscles.
Vasoconstriction to increase blood pressure.
How does the body regulate temperature during intense physical activity?
By decreasing sweat production.
By stopping blood flow to the skin.
By increasing blood flow to the skin.
By reducing heart rate.
How does the body respond to increased carbon dioxide levels during exercise?
By increasing ventilation rate.
By decreasing heart rate.
By reducing blood flow to the brain.
By stopping blood flow to the muscles.
