Action Potentials

question 5

Multiple Choice

Action potentials

• A) occur when potassium ions enter the axon of a neuron.
• B) generally travel away from the cell body.
• C) become weaker as they travel down an axon.
• D) make the inside of an axon negative relative to the outside.

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Definitions:

Hallucination

The perception of something that is not present, such as hearing or seeing something that isn't there, often occurring without the presence of any external stimulus.

Delusion

A false belief or judgment held with conviction despite evidence to the contrary, often occurring as part of a psychiatric disorder.

Post-Traumatic Stress Disorder

A psychiatric condition initiated by either experiencing firsthand or observing a distressing event, leading to severe fear, recurring dreams, and flashback episodes.

Depression

A common and serious medical illness that negatively affects how you feel, the way you think and how you act, offering symptoms like sadness and lack of interest in activities.