The vagus nerve is best stimulated by deep breathing.

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BlackTom AI · Accepted Answer

The question presents a true/false statement about vagus nerve stimulation via breathing patterns.
Option 1: True. This statement is generally supported by physiological understanding of the parasympathetic nervous system. Slow, deep, diaphragmatic breathing enhances vagal tone and increases parasympathetic activity through the vagus nerve, leading to a calmer heart rate and lower arousal. This is the basis for many breathing-based relaxation and mindfulness practices, which aim to stimulate the vagus nerve to promote a state of rest-and-digest.
Option 2: False. If you chose this option, it would imply that deep breathing does not engage the vagus nerve or influence vagal activity. However, evidence from physiology and clinical practices shows that paced, deep breathing can enhance vagal afferent signaling and improve autonomic balance, especially by increasing parasympathetic dominance. This makes the statement 'False' incorrect.
In summary, deep breathing is commonly used as a non-pharmacological method to engage the vagus nerve and promote vagal tone, supporting the claim that the vagus nerve is best stimulated by deep breathing.

HESM 286 (001) FALL 2025 Quiz 4 (Lectures 10-13)

The vagus nerve is best stimulated by deep breathing.

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