Question

what device measures the volume and flow of air during inspiration and expiration?

1. spirometer
2. bronchoscope
3. silicosis
4. sphygmomanometer

Explanation:

A spirometer is a device used to measure the volume and flow of air during inspiration and expiration. A bronchoscope is used to view the airways, silicosis is a lung - disease caused by silica dust exposure, and a sphygmomanometer measures blood pressure.

Answer:

1. Spirometer