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Nervous Tissue: The Neuron quiz #2

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  • Which part of a neuron conducts an action potential?
    The axon conducts an action potential.
  • Which cell types are not part of the nervous system? A) Neurons B) Glial cells C) Muscle cells D) Schwann cells
    C) Muscle cells
  • In which type of neuron conduction is the nerve impulse fastest?
    Myelinated axon
  • Where is the protective covering of the axon?
    The protective covering of the axon is the myelin sheath.
  • How do dendrites contribute to the function of a neuron?
    They receive incoming signals
  • Neurons communicate with each other through which structure?
    Neurons communicate with each other through synapses.
  • What part of the neuron receives signals from other neurons?
    Dendrites receive signals from other neurons.
  • What part of a neuron receives the impulse?
    Dendrites
  • The interplay of multiple excitatory and inhibitory inputs most affects what part of a neuron?
    The cell body (soma) is most affected by the interplay of multiple excitatory and inhibitory inputs.
  • What role do nerve cells play in the human body?
    Nerve cells generate and conduct electrical impulses for communication.
  • Which process of a neuron receives incoming signals and transmits them to the cell body?
    Dendrites receive incoming signals and transmit them to the cell body.
  • What part of a neuron sends a signal to other neurons?
    Axon
  • Which part of a neuron receives signals?
    Dendrites
  • Which component of a neuron is responsible for transmitting signals to another cell?
    The axon is responsible for transmitting signals to another cell.
  • Which is the correct description for a bipolar neuron?
    A bipolar neuron has one axon and one dendrite.
  • What is the correct flow of a message through a neuron?
    The message flows from dendrites to the cell body to the axon.
  • What is the function of a dendrite?
    The function of a dendrite is to receive incoming signals from other neurons.
  • Which part of the neuron receives information?
    Dendrites receive information.
  • Where do somatic motor neurons reside?
    Somatic motor neurons reside in the spinal cord.
  • Which part of the neuron carries the signal away from the cell body toward the synapse?
    The axon carries the signal away from the cell body toward the synapse.
  • How do messages travel from one neuron to another?
    Messages travel from one neuron to another via synaptic transmission.
  • Why is the outside of a neuron positively charged?
    The outside of a neuron is positively charged due to the distribution of ions across the membrane.
  • Which part of a neuron receives incoming signals from other cells?
    Dendrites receive incoming signals from other cells.
  • What does it mean if nerve fibers decussate?
    If nerve fibers decussate, they cross over to the opposite side of the body.
  • Which factors contribute to increasing the speed of nerve impulse transmission?
    Myelination and larger axon diameter contribute to increasing the speed of nerve impulse transmission.
  • Which portion of the neuron is responsible for transmitting electrical impulses?
    The axon is responsible for transmitting electrical impulses.
  • Which structure is responsible for transmitting signals from one nerve cell to the next?
    The synapse is responsible for transmitting signals from one nerve cell to the next.
  • What part of a neuron acts as a facilitator of communication between neurons?
    Synapse
  • Which part transmits signals?
    The axon transmits signals.
  • What is the function of the dendrites?
    The function of the dendrites is to receive incoming signals from other neurons.
  • Which structure is responsible for converting signals to electrical impulses?
    The dendrites are responsible for converting signals to electrical impulses.
  • I send signals to motor neurons. What am I?
    You are a sensory neuron.
  • Which part of a neuron is not considered a structural component of the neuron itself?
    Synapse
  • Which part of the neuron is not considered a structural component of the neuron itself?
    Synapse
  • What might happen if a neuron is unable to accurately pass signals?
    If a neuron is unable to accurately pass signals, communication between neurons may be disrupted, leading to impaired function.
  • What do neurons in the precentral gyrus do?
    Neurons in the precentral gyrus are involved in motor control.
  • Where is the nucleus of a neuron found?
    The nucleus of a neuron is found in the cell body (soma).
  • Which part of a neuron receives information from other neurons?
    Dendrites
  • Which part of a neuron integrates information from other neurons?
    Cell body
  • In a myelinated neuron, what is the role of the myelin sheath?
    In a myelinated neuron, the myelin sheath increases the speed of nerve impulse transmission.