Physiology Exam For Students! Advanced Level Trivia Quiz

49 Questions | Total Attempts: 302

SettingsSettingsSettings
Please wait...
Physiology Quizzes & Trivia

Are you a physiology student taking up the advanced level this year? If you just said yes and are looking for a way to refresh your knowledge in what we learned so far you are in luck as the quiz below is perfect for that. Not only does it test what you understood but gives you a glimpse of how the exams are set out. Give it a shot!


Questions and Answers
  • 1. 
    The myelin sheaths of axons in the peripheral nervous system are formed by
    • A. 

      Astrocytes

    • B. 

      Microglial cells

    • C. 

      Oligodendrocytes

    • D. 

      Schwann cells

  • 2. 
    The intervals between myelin sheath segments are called
    • A. 

      Sheath segments

    • B. 

      Nodes of Ranvier

    • C. 

      Internodal segments

    • D. 

      Nodes of Schwann

  • 3. 
    In which region of a neuron is its neurotransmitter synthesised?
    • A. 

      Dendrites

    • B. 

      Cell body

    • C. 

      Axon hillock

    • D. 

      Axon terminals

  • 4. 
    The endoneurium
    • A. 

      Surrounds nerve cell bodies

    • B. 

      Surrounds individual axons and their Schwann cells

    • C. 

      Bundles axons into fascicles

    • D. 

      Bundles fascicles into nerves

  • 5. 
    A stimulus that is just strong enough to initiate an impulse in a neuron is called a ___________ stimulus
    • A. 

      Base line

    • B. 

      Synaptic

    • C. 

      Threshold

    • D. 

      Differential

  • 6. 
    Assume that an EPSP is being generated on the dendritic membrane. Which will occur?
    • A. 

      Specific Na+ gates will open

    • B. 

      Specific K+ gates will open

    • C. 

      A single type of channel will open permitting simultaneous flow of Na+ and K+

    • D. 

      Na+ gates will open first and then close as K+ gates open

  • 7. 
    • A. 

      The release of neurotransmitter by the presynaptic membrane

    • B. 

      Postsynaptic membranes bearing receptors that bind neurotransmitter

    • C. 

      Ions flowing through protein channels from the presynaptic to the postsynaptic neuron

    • D. 

      A fluid-filled gap separating the neurons

  • 8. 
    An IPSP is inhibitory because it
    • A. 

      Hyperpolarises the postsynaptic membrane

    • B. 

      Reduces the amount of neurotransmitter released by the presynaptic terminal

    • C. 

      Prevents calcium ion entry into the presynaptic terminal

    • D. 

      Changes the threshold of the neuron

  • 9. 
    An action potential
    • A. 

      Results from movement of Na+ and K+ ions across the neuron's membrane

    • B. 

      Is the event following depolarisation to threshold

    • C. 

      Is a signal that is transmitted to the distal end of a neuron to signal the release of a neurotransmitter

    • D. 

      All of the above

  • 10. 
    The summation of EPSPs from numerous presynaptic nerve fibres converging onto one postsynaptic neuron is called
    • A. 

      Spatial summation

    • B. 

      Long-term potentiation

    • C. 

      Temporal summation

    • D. 

      Synaptic plasticity

  • 11. 
    Hyperpolarisation of the postsynaptic membrane in response to glycine or GABA is produced by the opening of
    • A. 

      Na+ channels

    • B. 

      K+ channels

    • C. 

      Ca2+ channels

    • D. 

      Cl- channels

  • 12. 
    Biogenic amine neurotransmitters include all EXCEPT
    • A. 

      Noradrenaline

    • B. 

      Acetylcholine

    • C. 

      Dopamine

    • D. 

      Serotonin

  • 13. 
    In the control of emotion and motivation, the limbic system works together with the
    • A. 

      Pons

    • B. 

      Thalamus

    • C. 

      Hypothalamus

    • D. 

      Basal ganglia

  • 14. 
    The consolidation of short-term memory appears to be a function of the
    • A. 

      Substantia nigra

    • B. 

      Hippocampus

    • C. 

      Cerebral peduncles

    • D. 

      Cerebellum

  • 15. 
    A patient has suffered a cerebral haemorrhage that has caused dysfunction of the precentral gyrus of the right cerebral cortex. As a result the patient(s)
    • A. 

      Cannot voluntarily move their left arm or leg

    • B. 

      Feels no sensation on the left side of their body

    • C. 

      Feels no sensation on their right side

    • D. 

      Head falls off

  • 16. 
    The thalamus is
    • A. 

      The source of nearly all the axons that project to the cerebral cortex

    • B. 

      Concerned mainly with vision

    • C. 

      Concerned mainly with hearing

    • D. 

      Concerned with autonomic regulation

  • 17. 
    The reticular formation
    • A. 

      Is composed of nuclei scattered throughout the cerebellum

    • B. 

      Coordinates fine motor movements

    • C. 

      Maintains alertness and attention

    • D. 

      Is responsible for pain interpretation

  • 18. 
    There are _________ pairs of cranial nerves and __________ pairs of spinal nerves
    • A. 

      10;30

    • B. 

      31;21

    • C. 

      12;31

    • D. 

      30;10

  • 19. 
    Interneurons are found only in
    • A. 

      The brain

    • B. 

      The spinal cord

    • C. 

      The CNS

    • D. 

      Spinal nerves

  • 20. 
    Destruction of the ventral horn cells of the spinal cord results in loss of
    • A. 

      Integrating impulses

    • B. 

      Sensory impulses

    • C. 

      Voluntary motor impulses

    • D. 

      All of these

  • 21. 
    The grey matter of the spinal cord consists of
    • A. 

      Cell bodies and dendrites of motor neurons

    • B. 

      Interneurons

    • C. 

      Axon terminals of sensory neurons

    • D. 

      All of these

  • 22. 
    In a single reflex arc involved in the knee-jerk reflex, how many synapses are activated within the spinal cord?
    • A. 

      Thousands

    • B. 

      Twelve

    • C. 

      Two

    • D. 

      One

  • 23. 
    An ipsilateral reflex that causes rapid withdrawal from a painful stimulus is the
    • A. 

      Crossed extensor

    • B. 

      Flexor

    • C. 

      Golgi tendon

    • D. 

      Muscle stretch

  • 24. 
    Golgi tendon organs
    • A. 

      Are silenced when a muscle is stretched

    • B. 

      Inhibit the discharge of muscle spindles

    • C. 

      Produce inhibition of the motor neurons of their own muscle when they are activated

    • D. 

      Behave as receptors in parallel with contracting muscle fibres

  • 25. 
    Which statement is INCORRECT?
    • A. 

      Intrafusal muscle fibres are smaller than extrafusal fibres

    • B. 

      Tendon organs are commonly located in the belly of the muscle

    • C. 

      Gamma motor neurones do not innervate extrafusal muscle fibres

    • D. 

      The primary endings of muscle spindles terminate on more than one intrafusal fibre