Laser Technician IBEC Board Exam 2026 - Free International Board of Electrologist Certification Practice Questions.

Question: 1 / 495

Which two components make up the central nervous system?

Spinal cord and peripheral nerves

Brain and spinal cord

The central nervous system (CNS) is primarily composed of the brain and spinal cord. The brain serves as the control center for the body, processing sensory information, regulating bodily functions, and enabling cognition and emotions. The spinal cord acts as a major conduit for transmitting signals between the brain and the rest of the body, facilitating motor control and reflex actions. Understanding this anatomy is crucial for professionals in the field, as it lays the foundation for comprehending how various treatments, including laser therapy, may influence nervous system responses.

In contrast, other options include elements outside the central nervous system. For example, peripheral nerves and cranial nerves are integral components of the peripheral nervous system, which connects the CNS to limbs and organs, but they do not constitute the central nervous system itself. Recognizing these distinctions is important for effective practice in the field.

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Brain and cranial nerves

Peripheral nerves and sensory neurons

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