Chapter 11: Autonomic And Motor Systems

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Chapter 11: Autonomic And Motor Systems
Chapter 11: autonomic and motor systems

  
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  • 1. 
    The Autonomic Nervous System Innervates all but one effector organ. Which of the following?
    • A. 

      Skeletal Muscle Cells

    • B. 

      Cardiac Muscle

    • C. 

      Smooth Muscle

    • D. 

      Glands

    • E. 

      Adipose Tissue


  • 2. 
    The ___________ Nervous System functions occur at a subconscious level.

  • 3. 
    The ANS is aka the _______ ______ __________

  • 4. 
    Effector organs of the autonomic nervous system include all of the following except
    • A. 

      The heart muscle

    • B. 

      Smooth muscle in the pupils of the eye

    • C. 

      Respiratory muscles

    • D. 

      Sweat glands

    • E. 

      Salivary glands


  • 5. 
    According to the concept of dual innervation by the autonomic nervous system, if sympathetic activity inhibits pancreatic secretions, then the parasympathetic nervous system should
    • A. 

      Inhibit pancreatic secretions as wel

    • B. 

      Stimulate pancreatic secretions

    • C. 

      Have no effect on pancreatic secretions


  • 6. 
    The adrenal medulla
    • A. 

      Contains sympathetic postganglionic neurons

    • B. 

      Is part of the brainstem

    • C. 

      Releases epinephrine into the blood

    • D. 

      Is part of the parasympathetic nervous system

    • E. 

      Is controlled by the somatic nervous system


  • 7. 
    Which of the following receptor types does not activate G proteins?
    • A. 

      Nicotinic cholinergic

    • B. 

      Muscarinic cholinergic

    • C. 

      ᵨ1 adrenergic

    • D. 

      ᵦ1 adrenergic

    • E. 

      ᵦ3 adrenergic


  • 8. 
    The origin of motor neurons is the
    • A. 

      Ventral horn of the spinal cord

    • B. 

      Dorsal horn of the spinal cord

    • C. 

      Lateral horn of the spinal cord


  • 9. 
    Which of the following is the location of the cardiovascular regulatory centers?
    • A. 

      Thalamus

    • B. 

      Hypothalamus

    • C. 

      Limbic system

    • D. 

      Pons

    • E. 

      Medulla oblongata


  • 10. 
    How many motor neurons innervate a single skeletal muscle cell
    • A. 

      0

    • B. 

      1

    • C. 

      Several

    • D. 

      Hundreds

    • E. 

      Millions


  • 11. 
    The motor end plate is
    • A. 

      The specialized synaptic terminal of the motor neuron

    • B. 

      The specialized synaptic terminal of the autonomic postganglionic neurons

    • C. 

      The specialized region of skeletal muscle innervated by a motor neuron

    • D. 

      The specialized region of an effector organ innervated by an autonomic postganglionic neuron


  • 12. 
    Neurotransmitter is released from which portion of a postganglionic neuron?
    • A. 

      Terminal bouton

    • B. 

      Axon terminal

    • C. 

      Varicosity

    • D. 

      Cell body

    • E. 

      Dendrites


  • 13. 
    Which branch of the ANS is most active when the body is at rest?

  • 14. 
    True or False: The communication between preganglionic neurons and postganglionic neurons in the ANS is one-to-one

  • 15. 
    Which neurons in the peripheral nervous system are cholinergic?

  • 16. 
    Which neurons in the peripheral nervous system are adrenergic?

  • 17. 
    A decrease in cAMP is associated with what class of adrenergic receptor?

  • 18. 
    Activation of a adrenergic receptors usually produces (excitation/ inhibition)?

  • 19. 
    ᵦ2 adrenergic receptors have a greater affinity for (epinephrine/ norepineohrine).

  • 20. 
    The motor end plate has (nicotinic/ muscarinic) cholinergic receptors.

  • 21. 
    The enzyme that degrades acetylcholine in the synaptic cleft is called _________.

  • 22. 
    Name two primary neurotransmitters in the peripheral nervous system

  • 23. 
    __________ are neurons that release acetylcholine

  • 24. 
    ________ are neurons that release norepinephrine

  • 25. 
    Name two types of cholinergic receptors

  • 26. 
    Muscle cells innervated by only one motor neuron

  • 27. 
    Motor neuron + all muscle fibers it innervates

  • 28. 
    The synapse between a motor neuron and a skeletal muscle cell

  • 29. 
    Axon terminals of the motor neuron which store and release acetylcholine

  • 30. 
    Specialized region of a skeletal muscle fiber's plasma membrane located at the neuromuscular junction

  • 31. 
    Depolarization of the motor end plate of a skeletal muscle fiber caused by acetylcholine binding to nicotinic cholinergic receptors

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