John Rapidly Pulls a Plunger Out of a Cylinder, Increasing

question 35

Multiple Choice

John rapidly pulls a plunger out of a cylinder, increasing its volume. As the plunger moves away, the gas molecules bouncing elastically off the plunger are:

• A) rebounding at a higher speed than they would have if the plunger weren't removed.
• B) rebounding at a lower speed than they would have if the plunger weren't removed.
• C) rebounding at the same speed as they would have if the plunger weren't removed.
• D) Whether they speed up or slow down depends on how fast the plunger is removed.

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Definitions:

Posttraumatic Stress Disorder (PTSD)

Syndrome characterized by physiological arousal associated with recurrent memories and dreams arising from a traumatic event that occurred months or years earlier.

Nigrostriatal Dopamine System

A pathway in the brain involved in movement control and regulation, often associated with conditions like Parkinson's disease when dysfunctional.

Lesions

Areas of tissue that have been damaged through injury or disease, affecting the function of the part.

Huntington Disease

A genetic disorder causing the progressive breakdown of nerve cells in the brain, characterized by movement, cognitive, and psychiatric disorders.