Anatomy of the Nervous System: Functions and Classification

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16 Questions

What is the function of the sensory input in the nervous system?

To gather information

Which part of the nervous system controls smooth and cardiac muscles?

Autonomic nervous system

What is the function of the motor output in the nervous system?

A response to integrated stimuli

Which division of the motor (efferent) division controls skeletal muscles?

Somatic nervous system

Which classification of the peripheral nervous system is concerned with nerve fibers carrying impulses away from the central nervous system?

Motor (efferent) division

Which part of the nervous system consists of the brain and spinal cord?

Central nervous system (CNS)

What is the function of astrocytes in the central nervous system (CNS)?

Anchoring neurons to nearby blood capillaries

Which type of cell monitors the health of neurons and can change into macrophages if infection occurs?

Microglia

What is the main function of ependymal cells in the central nervous system (CNS)?

Forming a barrier between the neurons and the rest of the body

What do oligodendrocytes do in the central nervous system (CNS)?

Wrap themselves around axons and form the myelin sheath

What is the function of satellite cells in the peripheral nervous system (PNS)?

Surrounding neuron cell bodies in the periphery

What is the role of Schwann cells (neurolemmocytes) in the peripheral nervous system (PNS)?

Producing myelin sheath around nerve fibers

Which region of a neuron conducts impulses toward the cell body?

Dendrites

What covers most long nerve fibers and acts as an insulating membrane?

Myelin sheath

'Neurons' are specialized cells that are primarily responsible for:

Transmitting messages

'Neuroglia' cells are primarily responsible for:

Supporting neurons in various ways

Test your knowledge on the functions and structural classification of the nervous system with this quiz. Explore sensory input, integration, motor output, and the structural classification of the central nervous system.

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