National Certified Addiction Counselor, Level I (NCAC I) Practice Exam

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Prepare for the National Certified Addiction Counselor, Level I (NCAC I) Exam with comprehensive flashcards and multiple choice questions. Each question comes with detailed explanations and hints. Get ready for your NCAC I certification!

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What is the primary function of the basal ganglia within the central nervous system (CNS)?

  1. Responsible for emotional responses

  2. Regulates involuntary and fine motor skills

  3. Coordinates sensory information

  4. Facilitates reasoning and decision-making

The correct answer is: Regulates involuntary and fine motor skills

The basal ganglia play a crucial role in the regulation of movement and the coordination of motor skills, which encompasses both involuntary actions and finely tuned motor movements. This collection of nuclei situated deep within the cerebral hemispheres is involved in the planning and smooth execution of movements. It helps in refining movements, reduces unwanted or extraneous movements, and is essential for skills that require precision, such as writing, playing musical instruments, or sports activities. The influence of basal ganglia extends to the initiation of movement as well, where it works in conjunction with other brain structures to facilitate starting and stopping of movements as needed. This is why the correct answer emphasizes the regulation of involuntary actions and fine motor skills, as these functions are central to the role of the basal ganglia in the central nervous system.