What change in ventilatory pattern is seen during the first stage of moderate exercise?
A) increase in alveolar ventilation within seconds after onset of exercise
B) increase in alveolar ventilation within minutes of onset of exercise
C) slight decrease in alveolar ventilation within seconds after onset of exercise
D) slight decrease in alveolar ventilation for first two minutes after onset of exercise

Question

Quizplus · Accepted Answer

During the first stage of moderate exercise, there is an immediate increase in alveolar ventilation. This adjustment happens within seconds after the onset of exercise to meet the increased oxygen demand and carbon dioxide removal.

What Change in Ventilatory Pattern Is Seen During the First