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Nervous Tissue Part 1: Structure and Function

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Nervous Tissue Part 1: Structure and Function

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Questions and Answers

What is the major function of glial cells in the nervous system?

Production of hormones

Supportive, nutritive, and protective for nerve cells (correct)

Transmission of nerve impulses

Regulation of body temperature

What is the term for the part of a neuron that contains the nucleus and cytoplasm?

Cell body or perikaryon (correct)

Neurofilament

Axon

Dendrite

Which type of neuron has only one fiber arising from each pole of the cell?

Bipolar neuron (correct)

Multipolar neuron

Pseudo-unipolar neuron

Unipolar neuron

What is the name of the granules found in the cytoplasm of the cell body and dendrites?

Nissl granules Signup and view all the answers

What is the main difference between the central and peripheral nervous systems?

Anatomical structure Signup and view all the answers

What is the role of neurofilaments in neurons?

To provide support and maintain the structure of the neuron Signup and view all the answers

What is the term for the long, slender extension of a neuron that carries nerve impulses away from the cell body?

Axon Signup and view all the answers

What is the function of motor neurons?

To transmit motor impulses from CNS to muscles Signup and view all the answers

What is the most common type of neuron found in the human nervous system?

Multipolar neuron Signup and view all the answers

What type of neuron connects both motor and sensory neurons?

Associative neurons Signup and view all the answers

What is the function of neurofilaments in neurons?

Structural support Signup and view all the answers

What is the site of contact between two successive neurons?

The synapse Signup and view all the answers

What is the part of the neuron that may be a dendrite, a cell body or an axon?

The postsynaptic element Signup and view all the answers

What type of synapse occurs when the end foot contacts a dendrite?

Axodendritic synapse Signup and view all the answers

What type of synapse is characterized by the transport of impulses through gap junctions?

Electrical synapse Signup and view all the answers

What is the function of sensory neurons?

To transmit sensory impulses from receptors to CNS Signup and view all the answers

What is the dilated part of the axon terminal or the end foot?

The presynaptic element Signup and view all the answers