Which Event Occurs First

question 83

Multiple Choice

Which event occurs first?

• A)The diaphragm contracts.
• B)Air moves into the lungs.
• C)The phrenic nerve fires.
• D)The inspiratory neurons in the medulla fire.

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Definitions:

Suspension

The arrangement of tires, air in tires, springs, dampers, and connecting mechanisms that link a vehicle to its wheels, facilitating movement between them.

Air Suspension

A type of vehicle suspension system powered by an air pump or compressor, creating a smoother ride by inflating rubber bellows located under the chassis.

Height Control Valves

Devices in air suspension systems that maintain or adjust the height of a vehicle by controlling air flow into or out of the air springs.

Pneumatic-actuated Reaction Delay

The lag or delay in response time in systems controlled by pneumatic actuators, often due to the time it takes to pressurize and depressurize the system.