Mcb N61 Quiz 1

57 Questions | Total Attempts: 81

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Epilepsy Quizzes & Trivia

SUBJECT AREAS: 1: brain lesions2: static brain-imaging methods3: stem cells, neurogenesis, gliogenesis4: dynamic brain-imaging methods5: PET scan6: history of the cyclotron and its implications7: lethal injection, death penalty8: Sperry’s chemoaffinity hypothesis9: echolocation, electroreception, magnetoreception10: cannabinoids, Cannabis plant, psychedelics11: endocannabinoid neurotransmitters, retrograde signaling12: electromagnetic spectrum, visible light, UV, IR, polarization13: seizures, epilepsy14: chemotaxis, phototropism15: opium, opioids/opiates16: CNS stimulants such as cocaine and amphetamine17: caffeine as a CNS stimulant18: sedative-hypnotic drugs and GABA receptor


Questions and Answers
  • 1. 
    Causes of circumscribed (localized) lesions include all of the following EXCEPT:
    • A. 

      Tumor

    • B. 

      Physical trauma

    • C. 

      Taking acetaminophen (Tylenol)

    • D. 

      Stroke

    • E. 

      An abnormal proliferation of cells in the brain

  • 2. 
    The term that is used to describe the rupture or blockage of a blood vessel leading to the death of cells in a localized region of the brain is called:
  • 3. 
    All of the following are TRUE about static brain imaging EXCEPT:
    • A. 

      Both autopsy and surgery are invasive procedures

    • B. 

      In a magnetic field, the nuclear spin of a proton can align in only one energy state

    • C. 

      MRI stands for Magnetic Resonance Imaging

    • D. 

      Repeated or constant exposure to X-ray is potentially harmful

    • E. 

      Computed Axial Tomography (CAT) involves exposure to X-ray from a variety of angles

  • 4. 
     During an MRI, what kind (the name) of atoms in the brain is most likely to flip when an external beam of radiofrequency energy is delivered?
  • 5. 
    During the course of brain development, a _______ differentiates into a _______ that are specialized to become some kind of cell in the nervous system.
    • A. 

      Neuroblast, glioblast

    • B. 

      Nervous-system progenitor cell, myoglobin

    • C. 

      Glioblast, nerve cell

    • D. 

      Nerve cell, stem cell

    • E. 

      Stem cell, nervous-system progenitor cell

  • 6. 
    Roger Sperry’s famous frog experiment involved rotating the frog’s eyeball and cutting which nerve?
  • 7. 
    1. An epileptic seizure related to infection, trauma, tumor, or other damage to a part of the brain is called a(n) _______________ seizure.
  • 8. 
    One of the standard ways of measuring the electrical activity associated with a brain seizure is
    • A. 

      Functional magnetic resonance imaging (fMRI)

    • B. 

      Computed axial tomography (CAT or CT) scan

    • C. 

      X-ray photography

    • D. 

      Magnetoencephalography (MEG)

    • E. 

      Electroencephalography (EEG)

  • 9. 
    The “runs” and “tumbles” of E. coli bacteria filmed by Howard Berg of Harvard University are a demonstration of chemotaxis called
  • 10. 
    When organisms such as the Phycomyces studied by Professor Presti move in response to light, they demonstrate
    • A. 

      Chemotaxis

    • B. 

      Somatosensory response

    • C. 

      Phototropism

    • D. 

      Vestibular response

    • E. 

      Canonical response

  • 11. 
    The medicinal properties of the opium poppy include cough suppression, treatment of diarrhea, and _______________, meaning relief of pain.
  • 12. 
    Compared to morphine, heroin is
    • A. 

      less hydrophobic than the morphine molecule

    • B. 

      more lipophilic than the morphine molecule

    • C. 

      less hydrophilic than the morphine molecule

    • D. 

      Likely to cross the blood brain barrier faster than the morphine molecule

    • E. 

      Likely to cross the blood brain barrier slower than the morphine molecule

  • 13. 
    The most widely used psychoactive drug in the world is:
  • 14. 
    True or False: Arecoamine is a chemical that comes from the betel palm nut.
    • A. 

      True

    • B. 

      False

  • 15. 
    True or False: Marijuana does NOT contain cannabinoids.
    • A. 

      True

    • B. 

      False

  • 16. 
    The effects of caffeine include:
    • A. 

      Increase heart rate

    • B. 

      Increase blood pressure

    • C. 

      Increase gastrointestinal motility

    • D. 

      A and B

    • E. 

      All of the above

  • 17. 
    Caffeine acts on the central nervous system by binding to:
    • A. 

      Cannabinoid receptors

    • B. 

      Acetycholine receptors

    • C. 

      Adenosine receptors

    • D. 

      Dopamine receptors

    • E. 

      Serotonin receptors

  • 18. 
    Adenosine:
    • A. 

      Has inhibitory effects in the brain

    • B. 

      Is produced endogenously in the body

    • C. 

      Competes with dopamine

    • D. 

      Is a vasoconstrictor

    • E. 

      A and B

  • 19. 
    In the nervous system, nicotine binds to:
  • 20. 
    Ethyl alcohol is another name for:
  • 21. 
    Sedative-Hypnotic drugs include:
    • A. 

      Alcohol

    • B. 

      Barbiturates

    • C. 

      Benzodiazepines

    • D. 

      All of the above

    • E. 

      None of the above

  • 22. 
    In a Lethal Injection Cocktail, the first drug to inject is normally:
  • 23. 
    1. Class of drugs which cause an unfamiliar state of consciousness or hallucinations is known as…
    • A. 

      Stimulants

    • B. 

      Cannabinoids

    • C. 

      Acetaminophens

    • D. 

      Oploids

    • E. 

      Amphetamines

  • 24. 
    Psychoactive drugs which alter the cognition and perception of the mind are also known as …
  • 25. 
    Neurotransmitters involved in retrograde signaling are known as…
    • A. 

      GABA NT

    • B. 

      Sodium NT

    • C. 

      Amphetamine NT

    • D. 

      Endocannabinoid NT

    • E. 

      Phototropsin NT