The Nervous System

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Which connective tissue layer surrounds groups of fascicles (groups of axons)?

Perineurium (correct)

Endoneurium

Schwann cells

Epineurium

What is the connective tissue layer that surrounds nerves (groups of fascicles)?

Endoneurium

Epineurium (correct)

Perineurium

Schwann cells

What is the function of Schwann cells in nerve conduction?

To transmit electrical signals

To protect the axons

To provide nutrients to the axons

To produce myelin sheath (correct)

What is the role of the endoneurium in nerve tissue?

To surround axons Signup and view all the answers

Which type of matter contains neuronal cell bodies in the cerebrum?

Gray matter Signup and view all the answers

What type of cells are found in the choroid plexus?

Ependymal cells Signup and view all the answers

What is the function of the central canal in the spinal cord?

To contain cerebrospinal fluid Signup and view all the answers

What is the connective tissue capsule that surrounds a ganglion?

Connective tissue capsule Signup and view all the answers

What cells produce the myelin sheath in peripheral nerves?

Schwann cells Signup and view all the answers

What is the function of fibroblasts in peripheral nerves?

To support and maintain the connective tissue Signup and view all the answers

Which cells in the nervous system respond to environmental changes and transmit nerve impulses?

Neurons Signup and view all the answers

Which component of a neuron is responsible for receiving information from other neurons at synapses?

Dendrites Signup and view all the answers

What is the function of the axon hillock in a neuron?

To make the decision to send an action potential or not Signup and view all the answers

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

To support and protect neurons Signup and view all the answers

What is the role of the nissl substance in a neuron?

To synthesize proteins Signup and view all the answers

What is the main function of the dendritic spines in a neuron?

To receive information from other neurons Signup and view all the answers

What is the function of the axon in a neuron?

To transmit nerve impulses Signup and view all the answers

What is the function of the axolemma in a neuron?

To transmit nerve impulses Signup and view all the answers

What are the components of the cytoskeleton in a neuron?

Microtubules, actin, microfilaments, intermediate filaments Signup and view all the answers

What is the main function of nervous tissue?

To transmit nerve impulses Signup and view all the answers

Which type of neuron has two or more dendrites and one axon?

Multipolar neuron Signup and view all the answers

Which type of neuron has one dendrite and one axon?

Bipolar neuron Signup and view all the answers

Which type of neuron has a single process that splits into two branches, one longer and one shorter?

Unipolar neuron Signup and view all the answers

Which type of neuron has many dendrites but no axon and functions to regulate electrical charges of nearby neurons?

Anaxonic neuron Signup and view all the answers

Which type of synapse connects the axon of one neuron to the dendrite of another neuron?

Axodendritic synapse Signup and view all the answers

Which type of synapse connects the axon of one neuron to the cell body of another neuron?

Axosomatic synapse Signup and view all the answers

Which type of synapse connects the axon of one neuron to the axon of another neuron?

Axoaxonic synapse Signup and view all the answers

What is the function of astrocytes in the CNS?

All of the above Signup and view all the answers

Which glial cell synthesizes myelin in the CNS?

Oligodendrocytes Signup and view all the answers

Which glial cell provides immune defense and removes microbial invaders in the CNS?

Microglia Signup and view all the answers

Which connective tissue layer surrounds groups of fascicles (groups of axons)?

Perineurium Signup and view all the answers

What is the main function of fibroblasts in peripheral nerves?

Producing connective tissue Signup and view all the answers

Which glial cell synthesizes myelin in the CNS?

Oligodendrocytes Signup and view all the answers

What is the function of the axolemma in a neuron?

Initiating nerve impulses Signup and view all the answers

Which type of synapse connects the axon of one neuron to the dendrite of another neuron?

Axodendritic synapse Signup and view all the answers

What is the role of the nissl substance in a neuron?

Synthesizing proteins Signup and view all the answers

What is the connective tissue capsule that surrounds a ganglion?

Connective tissue capsule Signup and view all the answers

Which type of neuron has a single process that splits into two branches, one longer and one shorter?

Unipolar neuron Signup and view all the answers

What is the function of the central canal in the spinal cord?

Containing cerebrospinal fluid Signup and view all the answers

Which glial cell provides immune defense and removes microbial invaders in the CNS?

Microglia Signup and view all the answers

Which component of a neuron is responsible for transmitting nerve impulses?

Axon Signup and view all the answers

What is the function of the axon hillock in a neuron?

Initiating action potential Signup and view all the answers

What is the main function of astrocytes in the CNS?

Maintaining the blood-brain barrier Signup and view all the answers

What is the role of the nissl substance in a neuron?

Synthesizing proteins Signup and view all the answers

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

Providing immune defense Signup and view all the answers

What is the function of Schwann cells in nerve conduction?

Producing the myelin sheath in the PNS Signup and view all the answers

What is the function of fibroblasts in peripheral nerves?

Producing connective tissue Signup and view all the answers

What is the connective tissue layer that surrounds groups of fascicles (groups of axons)?

Perineurium Signup and view all the answers

What is the function of the central canal in the spinal cord?

Containing cerebrospinal fluid Signup and view all the answers

What is the function of the axolemma in a neuron?

Sending an action potential or not Signup and view all the answers

Which type of neuron has many dendrites but no axon and functions to regulate electrical charges of nearby neurons?

Anaxonic neuron Signup and view all the answers

What is the main function of astrocytes in the CNS?

Structural and metabolic support Signup and view all the answers

What is the function of the axon hillock in a neuron?

Sending the information Signup and view all the answers

Which type of matter contains neuronal cell bodies in the cerebrum?

Gray matter Signup and view all the answers

What is the function of Schwann cells in nerve conduction?

Form myelin sheaths around peripheral nerves Signup and view all the answers

Which type of synapse connects the axon of one neuron to the dendrite of another neuron?

Axodendritic synapse Signup and view all the answers

What is the main function of the dendritic spines in a neuron?

Receiving the information Signup and view all the answers

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

Supporting neurons Signup and view all the answers

Which component of a neuron is responsible for receiving information from other neurons at synapses?

Dendrites Signup and view all the answers

What is the function of fibroblasts in peripheral nerves?

Produce connective tissue Signup and view all the answers

The Nervous System

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Questions and Answers

Which connective tissue layer surrounds groups of fascicles (groups of axons)?

What is the connective tissue layer that surrounds nerves (groups of fascicles)?

What is the function of Schwann cells in nerve conduction?

What is the role of the endoneurium in nerve tissue?

Which type of matter contains neuronal cell bodies in the cerebrum?

What type of cells are found in the choroid plexus?

What is the function of the central canal in the spinal cord?

What is the connective tissue capsule that surrounds a ganglion?

What cells produce the myelin sheath in peripheral nerves?

What is the function of fibroblasts in peripheral nerves?

Which cells in the nervous system respond to environmental changes and transmit nerve impulses?

Which component of a neuron is responsible for receiving information from other neurons at synapses?

What is the function of the axon hillock in a neuron?

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

What is the role of the nissl substance in a neuron?

What is the main function of the dendritic spines in a neuron?

What is the function of the axon in a neuron?

What is the function of the axolemma in a neuron?

What are the components of the cytoskeleton in a neuron?

What is the main function of nervous tissue?

Which type of neuron has two or more dendrites and one axon?

Which type of neuron has one dendrite and one axon?

Which type of neuron has a single process that splits into two branches, one longer and one shorter?

Which type of neuron has many dendrites but no axon and functions to regulate electrical charges of nearby neurons?

Which type of synapse connects the axon of one neuron to the dendrite of another neuron?

Which type of synapse connects the axon of one neuron to the cell body of another neuron?

Which type of synapse connects the axon of one neuron to the axon of another neuron?

What is the function of astrocytes in the CNS?

Which glial cell synthesizes myelin in the CNS?

Which glial cell provides immune defense and removes microbial invaders in the CNS?

Which connective tissue layer surrounds groups of fascicles (groups of axons)?

What is the main function of fibroblasts in peripheral nerves?

Which glial cell synthesizes myelin in the CNS?

What is the function of the axolemma in a neuron?

Which type of synapse connects the axon of one neuron to the dendrite of another neuron?

What is the role of the nissl substance in a neuron?

What is the connective tissue capsule that surrounds a ganglion?

Which type of neuron has a single process that splits into two branches, one longer and one shorter?

What is the function of the central canal in the spinal cord?

Which glial cell provides immune defense and removes microbial invaders in the CNS?

Which component of a neuron is responsible for transmitting nerve impulses?

What is the function of the axon hillock in a neuron?

What is the main function of astrocytes in the CNS?

What is the role of the nissl substance in a neuron?

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

What is the function of Schwann cells in nerve conduction?

What is the function of fibroblasts in peripheral nerves?

What is the connective tissue layer that surrounds groups of fascicles (groups of axons)?

What is the function of the central canal in the spinal cord?

What is the function of the axolemma in a neuron?

Which type of neuron has many dendrites but no axon and functions to regulate electrical charges of nearby neurons?

What is the main function of astrocytes in the CNS?

What is the function of the axon hillock in a neuron?

Which type of matter contains neuronal cell bodies in the cerebrum?

What is the function of Schwann cells in nerve conduction?

Which type of synapse connects the axon of one neuron to the dendrite of another neuron?

What is the main function of the dendritic spines in a neuron?

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

Which component of a neuron is responsible for receiving information from other neurons at synapses?

What is the function of fibroblasts in peripheral nerves?

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