What Is a Valid Reason for Lowering the Intensity of Exercise

question 49

Multiple Choice

What is a valid reason for lowering the intensity of exercise at higher altitudes?

• A)Exposure to higher altitudes causes a decrease in pulmonary ventilation and heart rate
• B)High altitudes cause a decrease in cardiac output at submaximal workloads
• C)High altitudes cause an increase in pulmonary ventilation, heart rate, and cardiac output at submaximal workloads
• D)The angina threshold is lower due to a 25% reduction in maximal oxygen consumption

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