Mammalian Nervous System Quiz
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Questions and Answers

What are the two main parts of the mammalian nervous system?

  • Brain and spinal cord
  • Motor Neurone and Sensory Neurone
  • Nerves and neurones
  • Central Nervous System (CNS) and Peripheral Nervous System (PNS) (correct)

What is the function of the Peripheral Nervous System (PNS)?

  • Coordinate and regulate body functions (correct)
  • Generate electrical impulses
  • Act as a relay between neurones
  • Control reflex actions

What is a reflex action?

  • Automatically and rapidly integrates and coordinates stimuli with the responses of effectors (correct)
  • A type of nerve impulse
  • The gap between neurones
  • A type of synapse

What is the role of a relay neurone in a simple reflex arc?

<p>To transmit signals between sensory and motor neurones (A)</p> Signup and view all the answers

What is the function of a synapse in the nervous system?

<p>To transmit signals between neurones (B)</p> Signup and view all the answers

What is a reflex action?

<p>An involuntary, unplanned sequence or action and nearly instantaneous response to a stimulus (C)</p> Signup and view all the answers

What initiates a neural signal in a reflex arc?

<p>Stimulus (A)</p> Signup and view all the answers

What is the function of a synapse in a reflex arc?

<p>Carries neural signal to a motor neuron (B)</p> Signup and view all the answers

Why do many reflexes not require conscious thought?

<p>Because the neural signals do not always travel to the brain (D)</p> Signup and view all the answers

What is the purpose of the startle reflex?

<p>To provide an automatic response to an unexpected stimulus (D)</p> Signup and view all the answers

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