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What is the correct way to handle a book that says 'Printing is for personal, private use only. No part of this book may be reproduced or transmitted without publisher's prior permission'?
What is the correct way to handle a book that says 'Printing is for personal, private use only. No part of this book may be reproduced or transmitted without publisher's prior permission'?
According to the information, what is not permitted without the publisher's consent?
According to the information, what is not permitted without the publisher's consent?
What is indicated by the phrase 'Violators will be prosecuted'?
What is indicated by the phrase 'Violators will be prosecuted'?
Why might a book include the statement 'No part of this book may be reproduced or transmitted without publisher's prior permission'?
Why might a book include the statement 'No part of this book may be reproduced or transmitted without publisher's prior permission'?
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The provided content includes a URL that seems to be from a print request page. What is the main function of this type of URL?
The provided content includes a URL that seems to be from a print request page. What is the main function of this type of URL?
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Based on the given information, what is the primary reason for the inclusion of the copyright and usage statement?
Based on the given information, what is the primary reason for the inclusion of the copyright and usage statement?
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What can be inferred from the provided text about the permitted distribution of the book?
What can be inferred from the provided text about the permitted distribution of the book?
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If a student wishes to include a paragraph from the book in their assignment, what would they need to ensure before doing so?
If a student wishes to include a paragraph from the book in their assignment, what would they need to ensure before doing so?
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Flashcards
Page Number
Page Number
A specific page number within a larger document.
Print Date and Time
Print Date and Time
The date and time when the document was printed.
Printed by: ...
Printed by: ...
A unique identifier typically associated with the individual who initiated the printing process.
Copyright Notice
Copyright Notice
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Page X of Y
Page X of Y
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Study Notes
Neurologic Disorders
- Knowledge of nursing implications and interventions related to assessment and diagnostic testing for neurologic disorders is essential.
- Neurologic disorders often involve imbalances in neurotransmitters.
Neuron Structure
- Neurons are the basic functional unit of the nervous system.
- Neuron parts include dendrites, a cell body, and an axon.
- Dendrites receive electrochemical messages.
- The axon carries electrical impulses away from the cell body.
- Some axons have a myelinated sheath for faster conduction.
- Clusters of nerve cell bodies are called ganglia or nuclei.
- Glial cells support, protect, and nourish neurons. There are significantly more glial cells compared to neurons.
Nervous System Anatomy and Physiology
- The nervous system includes the central nervous system (CNS) and the peripheral nervous system.
- The CNS comprises the brain and spinal cord.
- The peripheral nervous system includes cranial nerves, spinal nerves, and the autonomic nervous system.
- The nervous system controls motor, sensory, autonomic, cognitive, and behavioral functions.
- The brain contains over 100 billion cells.
Brain Structure
- The brain is approximately 2% of total body weight (approximately 1400g in young adults and 1200g in older adults).
- Major areas of the brain include the cerebrum, brain stem, and cerebellum.
- The cerebrum has two hemispheres, thalamus, hypothalamus, and basal ganglia.
- The cerebrum has a wrinkled surface called gyri, increasing surface area.
- Sulci (fissures) separate the gyri.
- The corpus callosum connects the two cerebral hemispheres.
- The cerebral cortex (outer part of the hemispheres) contains gray matter (neuron cell bodies).
- Myelinated nerve fibers and neuroglial cells form tracts/pathways for communication between brain areas.
- The brain has various lobes (frontal, parietal, occipital, and temporal).
Neurotransmitters
- Neurotransmitters communicate messages between neurons or from neurons to target cells.
- They are stored in synaptic vesicles.
- Released neurotransmitters bind to receptors on target cells, either exciting or inhibiting cellular activity.
- Enzymes or reabsorption by neurons regulate the level of neurotransmitters.
- Imbalances in neurotransmitters can cause neurologic disorders.
- Examples of neurotransmitters and their sources/actions are given in Table 60-1.
Diagnostic Tests
- Ongoing research develops diagnostic tests for neurotransmitters.
- Positron emission tomography (PET) and single-photon emission computed tomography (SPECT) can detect changes in neurotransmitter levels.
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Description
This quiz covers essential knowledge about the nervous system, including neuron structure, the anatomy and physiology of nervous system components, and nursing implications related to neurologic disorders. Test your understanding of the roles and functions of neurons and glial cells, as well as diagnostic interventions in neurology.
