Which of the Following Statements Regarding Sleep Is True

question 210

Multiple Choice

Which of the following statements regarding sleep is true?

• A)As we age, we spend more time in REM sleep.
• B)As we age, we spend less time in stages 3 and 4 of sleep.
• C)Young infants spend about 75 percent of their total sleep in REM.
• D)Young adults (19- to 30-year olds) sleep less on average than elderly adults.

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Definitions:

FMVSS-121

Refers to the Federal Motor Vehicle Safety Standards regarding air brake systems, specifying design, performance, and maintenance criteria for safe operation.

Stopping Distance

The total distance a vehicle travels from the moment the brakes are applied until it comes to a complete stop, depending on speed, vehicle condition, and road conditions.

Tractor-Trailer

A vehicle comprising a towing engine (tractor) and a trailer, used primarily for transporting goods over long distances.

Spring Brake Relay Valve

A spring brake relay valve is a component in air brake systems that controls the application and release of the spring brakes, typically used in heavy-duty vehicles for parking and emergency brakes.