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Ch.7&8 Test-Nervous System & Special Senses

Quiz by James Bailard

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36 questions
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  • Q1
    What is the main purpose of the nervous system?
    exchanges gases between the body and the environment
    gathers information from the environment and body and coordinates actions
    regulates the body using hormones
    provides shape and structure for the body
    30s
  • Q2
    The nervous system is primarily composed of what type of cells?
    stem cells
    white cells
    skeletal muscle cells
    neurons
    30s
  • Q3
    _____________ nerves are responsible for bring messages from the sensory organs to the brain.
    Sensory
    Skeletal
    Axial
    Motor
    30s
  • Q4
    This division of the PNS would be used to transmit signals from the senses and sensory organs towards the brain
    Afferent
    Somatic
    Automatic
    Efferent
    30s
  • Q5
    This division of the PNS would be used to transmit signals to muscles/organs from the brain.
    Efferent
    Somatic
    Automatic
    Afferent
    30s
  • Q6
    _____________ nerves are responsible for carrying messages from the brain and spinal cord to other parts of the body and causes muscles to move.
    Motor
    Axial
    Sensory
    Skeletal
    30s
  • Q7
    The nervous system primarily communicates using -
    hormones
    none of the above
    blood cells
    electrical impulses
    30s
  • Q8
    What is the basic unit of the nervous system?
    Neurons
    Myelin
    Dendrites
    Axons
    30s
  • Q9
    Which part of a neuron is involved in receiving information from other neurons?
    Myelin
    Dendrites
    Interneuron
    Axon
    30s
  • Q10
    What does the myelin sheath around the axon do for the neuron?
    Speeds up impulse transmission
    Slows impulse transmission
    Causes the axon to break down
    Allows impulses to jump to next neuron
    30s
  • Q11
    What 2 ions cause the electrical potential within a neuron during a nerve impulse?
    Sodium and Potassium
    Potassium and Chloride
    Sodium and Calcium
    Sodium and Iron
    30s
  • Q12
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    30s
  • Q13
    2.
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    30s
  • Q14
    3.
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    30s
  • Q15
    4.
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    30s

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