Which of the Following Statements About Heart Rate Variability (HRV)is

question 20

Multiple Choice

Which of the following statements about heart rate variability (HRV) is NOT true?

• A)HRV refers to the time interval between heart beats.
• B)Epidemiological studies suggest that a low HRV is an excellent predictor of mortality in some patient populations.
• C)HRV decreases in response to regular aerobic exercise training.
• D)HRV is influenced by the balance between the parasympathetic nervous system and the sympathetic nervous system.

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