The Substantia Nigra

question 3

Multiple Choice

The substantia nigra

• A) uses dopamine as a neurotransmitter
• B) activates the direct pathway to promote movement
• C) inhibits the indirect pathway that inhibits movement
• D) is dysfunctional in Parkinson’s disease
• E) All of the above are true

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Definitions:

Early 20s

A period in human life ranging from ages 20 to 29, often associated with the transition to full adulthood and independence.

Bipolar Disorder

An emotional health issue distinguished by significant mood oscillations, ranging from high (mania or hypomania) to low (depression) states.

Manic

Refers to an abnormally elevated mood state, which may include symptoms like increased activity, energy levels, or euphoria, often seen in bipolar disorder.

Depression

A psychiatric disorder characterized by a lasting feeling of depression or a disinterest in engaging in activities, significantly altering day-to-day life.