Francine Is Sleepy All Day; She Is Unaware, Though, That

question 92

Short Answer

Francine is sleepy all day; she is unaware, though, that she wakes briefly several hundred times each night due to short pauses in her breathing. She is likely suffering from _______, one of the sleep disturbances described in your text.

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Definitions:

Relay Piston

A component within a hydraulic or pneumatic system that transmits force from the relay valve to perform work, such as moving other parts.

Dual Circuit Foot Valve

A braking component in heavy vehicles, providing two separate pathways for brake fluid to ensure redundancy for safety.

Primary Section

The first or most important part of a system or structure, often serving as the foundational element.

S-cam Brake System

A type of drum brake system primarily used in heavy-duty vehicles, where an S-shaped cam is used to push the brake shoes apart and against the brake drum to generate friction and stop the vehicle.