Which of the following statements is CORRECT about the factors that lead to increases in heart rate during incremental exercise?

Question

Which  of the following statements is  CORRECT  about the factors that lead to increases in heart rate during incremental exercise?

Answer

Withdrawal of vagal tone through decreased parasympathetic activation and increased sympathetic activation.

Answer

Withdrawal of vagal tone through increased parasympathetic activation and increased sympathetic activation.

Answer

Increased vagal tone through decreased parasympathetic activation and increased sympathetic activation.

Answer

The parasympathetic nervous system is the only activated pathway responsible for increased heart rate during exercise.

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