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WorksheetsWAYGROUND: Ch. 3.2 Cells of the Nervous System
Total questions: 15
Worksheet time: 8mins
What is the primary function of dendrites in a neuron?
To transmit signals away from the neuron
To receive signals from other neurons
To store neurotransmitters
To protect the neuron
Which part of the neuron contains the nucleus?
Axon
Dendrite
Soma
Terminal button
Explain the role of the semipermeable membrane in a neuron.
It allows all molecules to pass through freely.
It stops all molecules from passing through.
It allows smaller molecules and molecules without an electrical charge to pass through.
It only allows charged molecules to pass through.
What is the function of synaptic vesicles in the terminal buttons?
To generate electrical signals
To house neurotransmitters
To protect the axon
To receive signals from other neurons
Describe the process by which signals are transmitted across a neuron.
Signals are received by the axon and transmitted to the dendrites.
Signals are received by the dendrites, transmitted electrically across the soma, and down the axon.
Signals are generated in the terminal buttons and sent to the soma.
Signals are stored in the synaptic vesicles and released when needed.
What is the primary role of neurotransmitters in the nervous system?
To transmit electrical signals
To act as chemical messengers
To protect the neuron
To store genetic information
Identify the part of the neuron that is responsible for transmitting signals away from the soma.
Dendrite
Axon
Synaptic vesicle
Nucleus
How does the structure of a neuron facilitate its function as an information processor?
The axon stores information for long-term use.
The dendrites receive signals, and the axon transmits them to other neurons.
The soma generates new neurons for processing.
The terminal buttons protect the neuron from damage.
What is the significance of the axon's length in signal transmission?
Longer axons transmit signals faster.
Shorter axons are more efficient in signal transmission.
Axon length does not affect signal transmission.
Axons can vary in length, affecting the speed and distance of signal transmission.
Which of the following best describes the soma of a neuron?
It is the site where neurotransmitters are released.
It is the cell body containing the nucleus.
It is the long extension that transmits signals.
It is the protective covering of the neuron.
What is the role of the terminal buttons in a neuron?
To generate electrical signals
To release neurotransmitters into the synapse
To protect the axon
To receive signals from other neurons
Explain how the semipermeable membrane contributes to the neuron's function.
It allows all molecules to pass through, ensuring constant communication.
It selectively allows certain molecules to pass, maintaining the neuron's internal environment.
It prevents any molecules from entering or leaving the neuron.
It only allows charged molecules to pass through, facilitating signal transmission.
Which part of the neuron is primarily involved in receiving signals from other neurons?
Axon
Dendrite
Soma
Terminal button
Discuss the importance of neurotransmitters in the communication between neurons.
They generate electrical signals within the neuron.
They act as chemical messengers, facilitating communication between neurons.
They protect the neuron from external damage.
They store genetic information for neuron replication.
What is the function of the axon in a neuron?
To receive signals from other neurons
To transmit signals away from the soma
To store neurotransmitters
To protect the neuron
