Final answer:
Ventilatory rhythm refers to the rate of inhalations and exhalations, and nurses chart it when assessing patients' breathing.
Step-by-step explanation:
Ventilatory rhythm: refers to the rate of inhalations and exhalations. When assessing patients, nurses chart the rate, depth, and rhythm of respirations to monitor the functioning of the respiratory system. The rhythm helps determine if there are any abnormalities or irregularities in the breathing pattern.