In Healthy and Untrained Subjects,the Alinear Rise in Minute Ventilation

question 4

Multiple Choice

In healthy and untrained subjects,the alinear rise in minute ventilation observed during incremental exercise (i.e. ,ventilatory threshold) could be due to

• A)a significant decline in arterial PO₂.
• B)an increase in arterial PCO₂.
• C)an increase in arterial pH.
• D)a decrease in arterial pH.

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The conditions and stimuli an individual is exposed to while in the mother's uterus, which can influence development and health.