What is the best definition of “minute ventilation”?
Show answer and explanation
Correct answer: Tidal volume times respiratory rate
Minute ventilation equals tidal volume multiplied by respiratory rate, representing total air moved in and out of the lungs per minute.
Practice all 20 Respiratory Mechanics and Gas Exchange questions
Keep practicing
More Respiratory Mechanics and Gas Exchange questions
- Which lung volume component represents the volume of air remaining in the lungs after maximal expiration?
- Which statement correctly describes lung (pulmonary) compliance?
- Which of the following would decrease lung compliance under pathological conditions?
- What is ‘physiologic dead space’ in the context of ventilation and gas exchange?
- How does increasing tidal volume compare to increasing respiratory rate in improving alveolar ventilation in a hypercapnic patient?
- Which of the following factors does NOT significantly affect the diffusion of O₂ and CO₂ across the alveolar–capillary membrane?