Exploring Cardiovascular Adaptations to Exercise

What does cardiac hypertrophy refer to in the context of exercise?

• Decrease in muscle size

• Reduction in blood volume

• Increase in heart muscle size

• Lowering of blood pressure

What role does the left ventricle play in cardiac hypertrophy?

• It stops functioning

• It thickens and contracts more forcefully

• It contracts less forcefully

• It becomes thinner

How does increased stroke volume affect resting heart rate?

• Increases blood pressure

• Increases resting heart rate

• Decreases resting heart rate

• No impact on heart rate

What is the effect of increased stroke volume on cardiac output?

• Reduces the efficiency of the heart

• Maintains cardiac output stable

• Increases cardiac output

• Decreases cardiac output

What is the primary benefit of increased capillary density in muscles?

• Higher resting heart rate

• Decreased glucose metabolism

• Reduced oxygen supply

• Increased blood flow and oxygen supply

What adaptation occurs in the alveoli due to exercise?

• Alveoli decrease in size

• Decrease in capillary numbers

• Alveoli stop functioning

• Increase in capillary numbers

What is indicated by a decrease in resting blood pressure due to exercise?

• Improved cardiovascular health

• Worsening cardiovascular health

• No change in health status

• Increased risk of hypertension

What happens to the heart rate recovery time as a result of regular exercise?

• Remains the same

• Decreases, indicating better fitness

• Increases significantly

• Becomes unpredictable

How does exercise affect the volume of blood plasma?

• Increases it

• Does not affect it

• Reduces the number of red blood cells

• Decreases it

What is the impact of aerobic training on blood pressure?

• Increases blood pressure

• Decreases blood pressure

• Only affects diastolic pressure

• Has no effect on blood pressure