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Questions and Answers
What is the primary function of CamScanner?
What is the primary function of CamScanner?
Which of the following features is likely not offered by CamScanner?
Which of the following features is likely not offered by CamScanner?
In what scenarios would CamScanner be most useful?
In what scenarios would CamScanner be most useful?
What type of user benefit does CamScanner provide in terms of document accessibility?
What type of user benefit does CamScanner provide in terms of document accessibility?
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Which of the following best describes the output format that CamScanner typically supports?
Which of the following best describes the output format that CamScanner typically supports?
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Study Notes
Nervous System Anatomy and Function
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The nervous system is composed of special cells called neurons.
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Neurons receive information from other cells through dendrites.
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The soma is the cell body of the neuron.
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Axons transmit information from the neuron to other cells.
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Many axons have a fatty sheath of myelin for faster impulse transmission.
Electrical Activity of Neurons
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Neurons have a resting potential of approximately -70mV, meaning the inside of the neuron is negatively charged.
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The electrical charge inside the neuron during its resting state is negative compared to the outside.
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During an action potential, ions move across the neuron membrane, causing a change in voltage.
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During the resting state, large amounts of positive sodium ions are found outside the neuron. Relatively more positive potassium ions are found inside the neuron.
Nervous System Components
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The central nervous system consists of the brain and the spinal cord.
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The peripheral nervous system includes sensory and motor neurons.
Nervous System Measurements
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Electromyogram (EMG) measures muscle functions.
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Electrocardiogram (ECG) measures heart functions.
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Electroencephalogram (EEG) measures brain waves.
Nervous System Processes
- Nerve impulses are transmitted through a chain of neurons, using action potentials and synapses.
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Description
Test your knowledge on the structure and function of the nervous system, including the roles of neurons, electrical activity, and the central and peripheral nervous systems. This quiz covers key concepts such as resting potential and action potentials. Get ready to assess your understanding of this vital biological system!
