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Spinal Cord Anatomy and Function Quiz

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Questions and Answers

What is the main function of the spinal cord?

Regulation of sensory information

Transmit sensory information to the brain (correct)

Control autonomic functions exclusively

Generate motor functions

Which part of the nervous system is the spinal cord considered to be a part of?

Somatic Nervous System

Peripheral Nervous System

Autonomic Nervous System

Central Nervous System (correct)

Where does the spinal cord end in the human body?

At the level of the brain stem

At the L1-L2 vertebrae (correct)

At the sacral vertebrae

At the foramen magnum

Which part of the spinal cord is responsible for transmitting motor functions?

Ventral nerve rootlets Signup and view all the answers

What are the two main enlargements found in the spinal cord?

Cervical and Lumbar enlargements Signup and view all the answers

Which lamina of the spinal cord is responsible for sensory functions?

Lamina V Signup and view all the answers

What is the main function of ascending tracts in the spinal cord?

Sensory functions Signup and view all the answers

Which column of the spinal cord contains motor interneurons?

Anterior (ventral) columns Signup and view all the answers

What gives the white matter of the spinal cord its white color?

High proportion of myelinated nerve fibers Signup and view all the answers

Which type of neurons receive impulses from the periphery of the body and are located in the dorsal horn of the spinal cord?

Sensory neurons Signup and view all the answers

What is the function of interneurons in the spinal cord?

Link sensory and motor neurons to form reflex arcs Signup and view all the answers

Where are the ANS (Autonomic Nervous System) neurons located in the spinal cord?

Lateral horn Signup and view all the answers

What type of touch is associated with the afferent signals received by the Nucleus proprius in the spinal cord?

Crude touch Signup and view all the answers