Dr Gawad Physiology Course Online Exams – Basal Ganglia

6 Questions | Total Attempts: 1033

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Dr Gawad Physiology Course Online Exams   Basal Ganglia - Quiz

6 MCQs (Only one correct answer) Each MCQ: 1 mark, Total mark: 6 (you will get the results immediately with correction by the web) Allowed time: 6 min Good Luck​ dr Mohammed Abdel Gawad


Questions and Answers
  • 1. 
    Regarding basal ganglia connections, which is true:
    • A. 

      Destruction of the substania nigra leads to disruption of both direct and indirect connections.

    • B. 

      The thalamus is only important for the indirect internal connections.

    • C. 

      Globus pallidus main neurotransmitter is the glycine.

    • D. 

      Cortex main effect on striatum is inhibitory.

  • 2. 
    Regarding basal ganglia connections, which is true:
    • A. 

      Direct circuit is inhibitory to motor cortex

    • B. 

      Indirect pathway is facilitatory to ongoing movements

    • C. 

      Putamen is included in the control of arm swinging during walking

    • D. 

      Globus pallidus is stimulatory to muscle tone

  • 3. 
    Regarding parkinsonism, which is true:
    • A. 

      Tremors are coarse, kinetic, disappears during sleep

    • B. 

      It occurs proximally before distally parts of the limb

    • C. 

      Rigidity is a form of hyperkinetic disturbance

    • D. 

      None of the above

  • 4. 
    Regarding basal ganglia connections, which is true:
    • A. 

      Subthalamus is the discharging center

    • B. 

      Striatum is the receiving center

    • C. 

      Substantia nigra is stimulatory

    • D. 

      All of the above

  • 5. 
    Regarding basal ganglia connections, which is true:
    • A. 

      Direct circuit is inhibitory to motor cortex

    • B. 

      Indirect pathway is inhibitory to unwanted movements

    • C. 

      There is no balance betweeen the two circuits

    • D. 

      None of the above

  • 6. 
    Concerning nigro-striatal projection, which is true:
    • A. 

      Stimulation of D1 increases unwanted movements

    • B. 

      Stimulation of D2 inhibits ongoing movements

    • C. 

      The nigrostriatal pathway net effect is exciting of the cortex

    • D. 

      All of the above