Neuroscience Test 1 Review

27 Questions | Total Attempts: 535

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Neuroscience Quizzes & Trivia

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Questions and Answers
  • 1. 
    What area is located in/on the precentral gyrus? 
    • A. 

      Visual association cortex

    • B. 

      Primary visual cortex

    • C. 

      Primary auditory cortex

    • D. 

      Primary motor cortex

    • E. 

      Primary somatosensory cortex

  • 2. 
    What is the embryological origin of the thalamus? 
    • A. 

      Metencephalon

    • B. 

      Telencephalon

    • C. 

      Myelencephalon

    • D. 

      Diencephalon

    • E. 

      Mesencephalon

  • 3. 
    The central sulcus separates which lobes? 
    • A. 

      Temporal from parietal

    • B. 

      Frontal from parietal

    • C. 

      Frontal from temporal

    • D. 

      Parietal from occipital

  • 4. 
    Which area is a major relay center for information going to the cerebral hemispheres? 
    • A. 

      Hypothalamus

    • B. 

      Frontal Lobe

    • C. 

      Midbrain

    • D. 

      Medulla

    • E. 

      Thalamus

  • 5. 
    Newly formed neurons use which structures to travel to their final locations in the brain? 
    • A. 

      Microglial cells

    • B. 

      Ventricular zone cells

    • C. 

      Oligodendrocytes

    • D. 

      Radial glial cells

  • 6. 
    .Major sensory and motor deficits that are particularly prominent in the upper extremity would result from a blockage of which of the following arteries? 
    • A. 

      .Anterior cerebral artery

    • B. 

      .Posterior cerebral artery

    • C. 

      .Posterior communicating artery

    • D. 

      .Middle cerebral artery

    • E. 

      .Anterior communicating artery

  • 7. 
    .How does cerebrospinal fluid flow into the 4th ventricle? 
    • A. 

      .Lateral aperature

    • B. 

      .Arachnoid granulations

    • C. 

      .Median aperature

    • D. 

      .Interventricular foramen (of Monroe)

    • E. 

      .Cerebral aqueduct

  • 8. 
    .Which of the following drain blood into the confluence of sinuses? 
    • A. 

      .Straight, transverse, and superior sagittal sinuses

    • B. 

      .Superior sagittal, occipital, and sigmoid sinuses

    • C. 

      .Straight, occipital, and transverse sinuses

    • D. 

      .Superior sagittal, straight, and occipital sinuses

    • E. 

      .Sigmoid, straight, and transverse sinuses

  • 9. 
    .How does cerebrospinal leave the subarachnoid space? 
    • A. 

      .Median aperature

    • B. 

      .Interventricular foramen (of Monroe)

    • C. 

      .Lateral aperature

    • D. 

      .Cerebral aqueduct

    • E. 

      .Arachnoid granulations

  • 10. 
    .What are the three primary bulges that form at the cephalic end of the neural tube at four weeks? 
    • A. 

      .Rhombencephalon, prosencephalon, diencephalon

    • B. 

      .Myelencephalon, metencephalon, mesencephalon

    • C. 

      .Prosencephalon, mesencephalon, rhombencephalon

    • D. 

      .Telencephalon, rhombencephalon, metencephalon

  • 11. 
    • A. 

      .Voltage-gated potassium channel

    • B. 

      .Potassium leakage channel

    • C. 

      .Voltage-gated sodium channel

    • D. 

      .Sodium leakage channel

  • 12. 
    .Which axon type would have the highest action potential conduction velocity? 
    • A. 

      .Myelinated, large diameter

    • B. 

      .Myelinated small diameter

    • C. 

      .Unmyelinated, small diameter

    • D. 

      .Unmyelinated, large diameter

  • 13. 
    .In the normal axon, why is reverse propagation of the action potential is not possible? 
    • A. 

      .A result of sodium ion influx

    • B. 

      .Sodium channel inactivation

    • C. 

      .Because of potassium ion influx

    • D. 

      .Potassium channel inactivation

  • 14. 
    .What happens when an excitatory postsynaptic potential (EPSP) is being generated on a dendritic membrane? 
    • A. 

      .Sodium gates will open first, and then close as potassium gates open

    • B. 

      .Specific sodium gates will open

    • C. 

      .Both sodium and potassium gates will open

    • D. 

      .Sodium and potassium will flow through the same channel

    • E. 

      .Specific potassium gates will open

  • 15. 
    .What is the main ion channel responsible for the repolarization phase of an action potential? 
    • A. 

      .Potassium leakage channel

    • B. 

      .Sodium leakage channel

    • C. 

      .Voltage-gated potassium channel

    • D. 

      .Voltage-gated sodium channel

  • 16. 
    .Which cells form the blood-CSF barrier which is part of the blood-brain barrier? 
    • A. 

      .Microglia

    • B. 

      .Oligodendrocytes

    • C. 

      .Ependymal cells

    • D. 

      .Schwann cells

  • 17. 
    .Which cells create the myelin sheath of axons in the central nervous system? 
    • A. 

      .Astrocytes

    • B. 

      .Oligodendrocytes

    • C. 

      .Microglia

    • D. 

      .Schwann cells

    • E. 

      .Ependymal cells

  • 18. 
    .Opening a ligand-gated chloride channel will cause the resting membrane potential to do which of the following? 
    • A. 

      .Fire an action potential

    • B. 

      .Depolarize

    • C. 

      .Repolarize

    • D. 

      .Hyperpolarize

    • E. 

      .Generate an excitatory postsynaptic potential

  • 19. 
    .What is the main ion channel responsible for the release of neurotransmitter from the axonal terminal? 
    • A. 

      .Voltage-gated potassium channel

    • B. 

      .Voltage-gated sodium channel

    • C. 

      .Voltage-gated calcium channel

    • D. 

      .Voltage-gated chloride channel

  • 20. 
    .Which neurotransmitter usually causes fast inhibitory postsynaptic potentials (IPSPs) in the brain? 
    • A. 

      .Dopamine

    • B. 

      .Glutamate

    • C. 

      .GABA

    • D. 

      .Serotonin

    • E. 

      Glycine

  • 21. 
    . What is the inferior boundary of the frontal lobe?
    • A. 

      .lateral sulcus

    • B. 

      .parietooccipital sulcus

    • C. 

      .premotor gyrus

    • D. 

      .calcarine sulcus

  • 22. 
    . The primary somatosensory cortex is located in the ________.
    • A. 

      .occipital lobe

    • B. 

      .frontal lobe

    • C. 

      .temporal lobe

    • D. 

      .parietal lobe

  • 23. 
    The postcentral gyrus is located in which lobe?
    • A. 

      Occipital lobe

    • B. 

      .frontal lobe

    • C. 

      .temporal lobe

    • D. 

      .parietal lobe

  • 24. 
    . Which structure divides the occipital lobe into superior and inferior parts?
    • A. 

      .parietooccipital sulcus

    • B. 

      .lateral sulcus

    • C. 

      .central sulcus

    • D. 

      .calcarine sulcus

    • E. 

      Longitudinal fissure

  • 25. 
    .What is a function of the occipital lobe?
    • A. 

      .formation of memories

    • B. 

      .processing visual information

    • C. 

      .processing somatosensory information

    • D. 

      .processing auditory information

    • E. 

      Initiation of voluntary movements