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Anatomy: Central and Peripheral Nervous System Organization

12 Questions

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Anatomy: Central and Peripheral Nervous System Organization

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Questions and Answers

What is the main function of the autonomic nervous system?

Regulates the heartbeat (correct)

Controls voluntary activities

Forms the spinal cord

Coordinates movement of skeletal muscles

Which part of the autonomic nervous system prepares the body for an emergency situation?

Sympathetic (correct)

Cranial nerves

Parasympathetic

Spinal nerves

What are the components of the central nervous system according to the text?

Cranial nerves and their ganglia

Spinal nerves and their ganglia

Telencephalon and diencephalon (correct)

Medulla oblongata, pons, and cerebellum

What is the function of grey matter in the nervous system?

Consists of nerve cell bodies Signup and view all the answers

Which part of the brain presents between the hindbrain and forebrain?

Midbrain Signup and view all the answers

What does the autonomic nervous system control?

Involuntary structures like the heart Signup and view all the answers

What is the main difference between a ganglion and a tract?

The location in the nervous system Signup and view all the answers

Which structure functions as a bridge connecting the two sides of the CNS?

Commissure Signup and view all the answers

What characterizes the spinal enlargements in the spinal cord?

Due to increased mass of motor cells Signup and view all the answers

What is the function of the dorsal root in a spinal nerve?

Associated with sensory input Signup and view all the answers

Where does the spinal cord terminate in relation to the vertebrae?

At T9 to L1 level Signup and view all the answers

What is the primary role of a pathway in the nervous system?

Being a chain of successive tracts with similar function Signup and view all the answers