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Central Nervous System and Sensory Neurons Interaction

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Central Nervous System and Sensory Neurons Interaction

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Questions and Answers

What is the main function of primary sensory neurons?

To receive information through association with receptors

To convey information from the body or environment into the brain and spinal cord (correct)

To activate striated muscles and modulate the activity of cardiac and smooth muscles and glands

To form synapses with second order neurons

Where are the cell bodies of somatic motor neurons located?

In the peripheral nervous system

In the dorsal root ganglia or cranial nerve ganglia

In clusters or nuclei within the central nervous system (correct)

In the visceral motor system

What is the function of the central process of a primary sensory neuron?

To enter the central nervous system and form synapses with second order neurons (correct)

To convey information from the body or environment into the brain and spinal cord

To receive information either directly or through association with receptors

To activate striated muscles and modulate the activity of cardiac and smooth muscles and glands

Which type of neurons are part of the visceral motor system (autonomic nervous system)?

Visceral motor neurons (C) Signup and view all the answers

What is the primary function of motor neurons?

To activate striated muscles and modulate the activity of cardiac and smooth muscles and glands (A) Signup and view all the answers

Where are the cell bodies of primary sensory neurons located?

In the dorsal root ganglia or cranial nerve ganglia (A) Signup and view all the answers

Which nerves are not included in the discussion?

The olfactory nerve and the optic nerve (A) Signup and view all the answers

What are the nuclei that are the origin of all somatic and visceral motor output of the central nervous system?

The location of all alpha motor neurons and preganglionic visceral motor neurons (B) Signup and view all the answers

What is the most important general principle of organization in the central nervous system from the viewpoint of clinical practice?

Each CNS function involves groups of interconnected neurons distributed throughout several CNS subdivisions (D) Signup and view all the answers

What are the groups of neurons that together subserve a particular function called?

Systems (C) Signup and view all the answers

What are the structures containing the neurons and axons of a particular system collectively referred to as?

Pathways (D) Signup and view all the answers

What will be studied in future tutorials?

Several important sensory and motor pathways in detail (C) Signup and view all the answers