YMCA L2 Anatomy - Nervous System

20 Questions | Total Attempts: 160

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YMCA L2 Anatomy - Nervous System

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Questions and Answers
  • 1. 
    What is the term given to the nervous system’s function of ensuring that the body maintains balance in order to operate effectively and efficiently?
    • A. 

      Homeostasis

    • B. 

      Osteoporosis

    • C. 

      Diffusion

    • D. 

      Cilliaendosis

  • 2. 
    Which division of the nervous system is responsible of nerve signals?
    • A. 

      Central Nervous System

    • B. 

      Peripheral Nervous System

    • C. 

      Autonomic Nervous System

    • D. 

      Somatic Nervous System

  • 3. 
    The central nervous system is made up of 
    • A. 

      Brain and spinal cord

    • B. 

      Nerves

    • C. 

      Glands

    • D. 

      Organs

  • 4. 
    Which of the following is not a role of the nervous system?
    • A. 

      Produce hormones

    • B. 

      Sensory changes

    • C. 

      Analyse and interpret

    • D. 

      Motor output

  • 5. 
    How many pairs of nerves are found in the peripheral nervous system?
    • A. 

      31

    • B. 

      33

    • C. 

      35

    • D. 

      28

  • 6. 
    Which division of the nervous system is responsible for the carrying of messages?
    • A. 

      Peripheral Nervous System

    • B. 

      Central Nervous System

    • C. 

      Automatic Nervous System

    • D. 

      Somadic Nervous System

  • 7. 
    Which part of the autonomic nervous system is responsible for speeding everything up?
    • A. 

      Sympathetic

    • B. 

      Parasympathetic

    • C. 

      Unsympathetic

    • D. 

      Desympathetic

  • 8. 
    Which part of the autonomic nervous system is responsible for slowing everything down?
    • A. 

      Parasympathetic

    • B. 

      Sympathetic

    • C. 

      Desympathetic

    • D. 

      Unsympathetic

  • 9. 
    Which division of the peripheral nervous system is responsible for all voluntary actions?
    • A. 

      Somatic

    • B. 

      Autonomic

    • C. 

      Automatic

    • D. 

      Promatic

  • 10. 
    Which division of the peripheral nervous system is responsible for all involuntary actions?
    • A. 

      Autonomic

    • B. 

      Somatic

    • C. 

      Automatic

    • D. 

      Promatic

  • 11. 
    The role of a motor neuron is to transmit a nerve impulse
    • A. 

      To effector organs

    • B. 

      To the brain

    • C. 

      To the spinal cord

    • D. 

      To the senses

  • 12. 
    Which neuron transmits the messages from the brain to the muscles/glands?
    • A. 

      Motor neurons

    • B. 

      Interneurons

    • C. 

      Sensory neurons

    • D. 

      Effector neurons

  • 13. 
    Which of the following is responsible for transmitting impulses towards the cell body?
    • A. 

      Dendrites

    • B. 

      Axon

    • C. 

      Myelin sheath

    • D. 

      Cytoplasm

  • 14. 
    According to the ‘all or none’ principle, the strength of muscle contraction is determined by
    • A. 

      The size and number of motor units being stimulated

    • B. 

      One muscle fibre contracting maximally

    • C. 

      The opposing muscles relaxing

    • D. 

      Size of the stimulus

  • 15. 
    The 'all or none law' states that
    • A. 

      The strength of muscle fibre contraction depends on the size of the stimulus

    • B. 

      A muscle fibre either contracts maximally or not at all

    • C. 

      For a muscle to contract, its opposing muscle must relax

    • D. 

      A strong muscle contraction is needed for coordinated movement to occur

  • 16. 
    Which of the following is a neuromuscular adaptation to high-intensity short duration exercise?
    • A. 

      Increase in type I muscle fibres and improved resistance to fatigue

    • B. 

      Frequency of nerve impulses to motor units increase

    • C. 

      Improved protein storage and availability as a fuel for exercise

    • D. 

      Reduced synchronous recruitment of motor units

  • 17. 
    Which of the following is not a benefit of enhanced neuromuscular connections?
    • A. 

      Increased stroke volume, cardiac output and heart rate

    • B. 

      Strengthening/growing new connections within the nervous system

    • C. 

      Speeding up the frequency of nerve impulses to the motor units

    • D. 

      Improved synchronous recruitment of motor units resulting in stronger muscle contractions

  • 18. 
    Regular aerobic exercise can improve motor fitness by
    • A. 

      Enhancing the growth of new connections within the nervous system

    • B. 

      Increasing the proportion of type II muscle fibres

    • C. 

      Improving the ability to store glycogen and fat as fuels for exercise

    • D. 

      Reducing synchronous recruitment of motor units

  • 19. 
    Which nervous system is responsible for the ‘fight or flight’ response that speeds up the heart rate?
    • A. 

      Central

    • B. 

      Motor

    • C. 

      Sympathetic

    • D. 

      Parasympathetic

  • 20. 
    Which neuron is responsible for taking messages to the brain?
    • A. 

      Sensory

    • B. 

      Interneurons

    • C. 

      Motor

    • D. 

      Effector

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