Central Nervous System (CNS) Overview

These flashcards cover key concepts related to the Central Nervous System, CNS medications, disorders, and their effects, as mentioned in the lecture notes.

What are the two major regions of the nervous system?

The central nervous system (CNS) and peripheral nervous system (PNS).

What does the central nervous system comprise?

The brain and spinal cord.

What is anxiety characterized by?

Pathological or extreme anxiety or dread that disrupts daily activities.

What are common symptoms of anxiety disorders?

Aches, pains, stomach aches, headaches, heart racing, trembling, sweating, difficulty concentrating.

What defines Attention-Deficit/Hyperactivity Disorder (ADHD)?

Hyperactivity, lack of impulse control, and inability to concentrate.

What is a seizure?

A transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.

What are common symptoms of Parkinson’s disease?

Tremor at rest, bradykinesia, muscle rigidity, postural instability.

How do CNS depressants affect the body?

They can cause sedation, respiratory depression, decreased heart rate, and decreased blood pressure.

What is the mechanism of action of benzodiazepines?

They are used for sedation, antianxiety, and anticonvulsant effects.

What are key risks associated with CNS stimulants like methylphenidate?

Serious cardiovascular risks, including sudden death, stroke, and increased blood pressure.