Neuroanatomy Exam: MCQ Trivia Quiz!

23 Questions | Total Attempts: 5116

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Neuroanatomy Exam: MCQ Trivia Quiz!


Questions and Answers
  • 1. 
    Components of the central nervous system include all of the following except the:
    • A. 

      Cerebellum

    • B. 

      Spinal cord

    • C. 

      Spinal nerves

    • D. 

      Diencephalon.

  • 2. 
    The term “rostral” means:
    • A. 

      Towards the tail

    • B. 

      Towards the nose

    • C. 

      Towards the dorsal aspect of the body

    • D. 

      Towards the ventral aspect of the body

  • 3. 
    The brainstem includes all of the following except the:
    • A. 

      Cerebellum

    • B. 

      Midbrain

    • C. 

      Pons

    • D. 

      Medulla

  • 4. 
    The white matter of the spinal cord is divided into three general regions known as anterior, posterior, and lateral:
    • A. 

      Horns

    • B. 

      Lemnisci

    • C. 

      Commissures

    • D. 

      Funiculi

  • 5. 
    Which sulcus separates the pons from the midbrain?
    • A. 

      Central Sulcus

    • B. 

      Superior Pontine Sulcus

    • C. 

      Lateral Sulcus

    • D. 

      Inferior Pontine Sulcus

  • 6. 
    The roof of the fourth ventricle is formed by the:
    • A. 

      Corpus Callosum

    • B. 

      Thalamus

    • C. 

      Cerebellum

    • D. 

      Tectum

  • 7. 
    The trigeminal nerve arises from the brain at the level of the:
    • A. 

      Medulla

    • B. 

      Pons

    • C. 

      Midbrain

    • D. 

      Diencephalon

  • 8. 
    The portion of the ventricular system that is located within the midbrain is the:
    • A. 

      Lateral Ventricle

    • B. 

      Third Ventricle

    • C. 

      Cerebral Aqueduct

    • D. 

      Fourth Ventricle

  • 9. 
    The mammillary bodies are part of the:
    • A. 

      Medulla

    • B. 

      Pons

    • C. 

      Midbrain

    • D. 

      Diencephalon

  • 10. 
    All of the following arteries are branches of the basilar artery except the:
    • A. 

      Pontine Arteries

    • B. 

      Middle Cerebral Artery

    • C. 

      Posterior Cerebral Artery

    • D. 

      Superior Cerebellar Artery

  • 11. 
    In early embryogenesis, the notochord develops in the midline from the:
    • A. 

      Floorplate

    • B. 

      Mesoderm

    • C. 

      Neural Tube

    • D. 

      Ectoderm

  • 12. 
    The secondary embryonic brain vesicle that gives rise to the pons and cerebellum is the:
    • A. 

      Telencephalon

    • B. 

      Mesencephalon

    • C. 

      Metencephalon

    • D. 

      Myelencephalon

  • 13. 
    Which statement about the early precursor cells of the neural tube is incorrect?
    • A. 

      The cells form a pseudostratified columnar epithelium.

    • B. 

      The cells extend between the pia and the lumen of the neural tube.

    • C. 

      The cells lose contact with the pial surface during mitosis.

    • D. 

      The cell nuclei move closest to the lumen of the neural tube during the period of DNA replication (S phase).

  • 14. 
    Inductive signals, generated by the activity of specific genes, are responsible for the differentiation of all of the following cell types except:    
    • A. 

      Ependymal cells.

    • B. 

      Neurons

    • C. 

      Astrocytes

    • D. 

      Oligodendrocytes.

  • 15. 
    Extracellular matrix adhesion molecules enable axonal elongation by binding with which of the following receptors located in the membrane of the growth cone?
    • A. 

      Cadherins

    • B. 

      Laminins

    • C. 

      Integrins

    • D. 

      Fibronectins

  • 16. 
    Which statement about cell adhesion molecules (CAMs) is incorrect?
    • A. 

      CAMs are only found within the cell membranes of neurons and glia.

    • B. 

      CAMs encourage growing axons to maintain contact and form axon bundles.

    • C. 

      CAMs act as both ligand and receptor, forming dimers of like molecules.

    • D. 

      CAMs may be calcium dependent or calcium independent.

  • 17. 
    Which of the following molecules is a chemoattractant that plays an important role in guiding axonal growth at midline crossing points such as the optic chiasm?
    • A. 

      Semaphorin.

    • B. 

      Netrin

    • C. 

      Nogo

    • D. 

      Nerve Growth Factor

  • 18. 
    Which of the following statements about trophic interactions is incorrect?
    • A. 

      Trophic interactions are mediated by trophic substances called neurotrophins.

    • B. 

      Trophic interactions determine the size of neuronal populations during development.

    • C. 

      Trophic interactions occur between presynaptic neurons and postsynaptic neurons.

    • D. 

      Trophic interactions no longer play a role in neuron survival and function in the adult nervous system.

  • 19. 
    Which of the following events is a typical following injury to axons in the central nervous system?
    • A. 

      Schwann cells proliferate and increase production of neurotrophic factors.

    • B. 

      Myelin membranes (oligodendrocytes) produce chemorepellants that discourage axonal growth e.g. Nogo

    • C. 

      Neuronal cell bodies upregulate expression of genes that support axonal growth.

    • D. 

      Axons extend axonal sprouts towards target cells.

  • 20. 
    In the neurological exam, confrontational testing, with the patient fixating on the examiner’s nose, is used to determine: 
    • A. 

      Visual acuity

    • B. 

      The integrity of the visual fields

    • C. 

      Color vision

    • D. 

      The status of the retinal vasculature

  • 21. 
    The integrity of the trigeminal (V) cranial nerve can be determined by asking the patient to:
    • A. 

      Open the jaw against resistance

    • B. 

      Puff out the cheeks

    • C. 

      Close eyes tightly

    • D. 

      Protrude the tongue

  • 22. 
    Eliciting a patient’s gag reflex tests the integrity of the:
    • A. 

      Trigeminal (V) and facial (VII) nerves.

    • B. 

      Hypoglossal (XII) nerve.

    • C. 

      Accessory (XI) nerve.

    • D. 

      Glossopharyngeal (IX) and vagus (X) nerves.

  • 23. 
    Tests of motor coordination, as well as dexterity and balance, assess the function of the:
    • A. 

      Basal ganglia

    • B. 

      Cerebellum

    • C. 

      Cerebral cortex

    • D. 

      Brainstem

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