Asked by Nicole LaVigne on Feb 18, 2024

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Which of the following statements about coronary heart disease (CHD) is true?

A) Attempts to reduce depression in CHD patients through the use of antidepressants have been highly successful.
B) Heart rate variability is not a risk factor for CHD.
C) Exercise is effective in reducing both CHD and depression.
D) Increased heart rate variability is an indication of poorer functioning of the autonomic nervous system.

Autonomic Nervous System

The part of the nervous system that controls bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.

  • The effectiveness of antidepressants in reducing depression in CHD patients.
  • The relationship between heart rate variability and CHD risk.
  • The impact of exercise on both CHD and depression.
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Olivia Weaver

Feb 18, 2024

Final Answer :
C
Explanation :
Exercise has been shown to be effective in reducing both CHD and depression. Option A is false as studies have shown mixed results regarding the efficacy of antidepressants in reducing depression in CHD patients. Option B is false as reduced heart rate variability has been identified as a risk factor for CHD. Option D is false as increased heart rate variability is actually considered a sign of better functioning of the autonomic nervous system.