Quiz: Ultimate Facts About Brain! Trivia

20 Questions | Total Attempts: 230

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Quiz: Ultimate Facts About Brain! Trivia


Questions and Answers
  • 1. 
    The brain consists of approximately 100 billion nerve cells called
    • A. 

      Somas.

    • B. 

      Nuclei.

    • C. 

      Neurotransmitters.

    • D. 

      Neurons.

  • 2. 
    Information in neurons usually flows in what order?
    • A. 

      Soma, dendrites, axon

    • B. 

      Dendrites, soma, axon

    • C. 

      Dendrites, myelin, axon terminals

    • D. 

      Axon, soma, axon terminals

  • 3. 
    The part of the neuron that sends information to other neurons “branches out” into smaller fibers, which end in bulb-shaped parts known as
    • A. 

      Myelin sheaths.

    • B. 

      Ion channels.

    • C. 

      Dendritic arcs.

    • D. 

      Axon terminals.

  • 4. 
    Which of the following is NOT a part of a neuron?
    • A. 

      Axon terminal

    • B. 

      Synapse

    • C. 

      Soma

  • 5. 
    The fact that the inside of human neurons measures about -70 millivolts compared to the outside of the cell allows each neuron to act like a(n)
    • A. 

      Tiny battery

    • B. 

      Chemical reactor

    • C. 

      Ion channel

    • D. 

      Shock absorber

  • 6. 
    During an action potential
    • A. 

      Sodium ions are pumped out of the neuron into the synaptic cleft.

    • B. 

      The molecular gates open to allow sodium ions into a neuron.

    • C. 

      The electrical stimulation must dip below -70 millivolts and remain so during the action potential

    • D. 

      Neurotransmitters enter the axon through gaps in the myelin sheath

  • 7. 
    A person would not be able to walk nor a musician moves his or her fingers to play an instrument without the neurotransmitter.
    • A. 

      Curare.

    • B. 

      Serotonin.

    • C. 

      Acetylcholine.

    • D. 

      Histamine.

  • 8. 
    Endorphins are released from the ________ gland.
    • A. 

      Adrenal

    • B. 

      Pituitary

    • C. 

      Pineal

    • D. 

      Thyroid

  • 9. 
    In a car accident, a person sustained major trauma to his brain and the spinal cord region of his neck. Damage, in this case, was mainly to areas of the
    • A. 

      Autonomic nervous system.

    • B. 

      Somatic nervous system

    • C. 

      Central nervous system

  • 10. 
    Involuntary changes in heart rate, blood pressure, digestion, and sweating are controlled by the
    • A. 

      Autonomic system

    • B. 

      Parietal lobe

    • C. 

      Somatic system

  • 11. 
    The part of the nervous system that quiets the body after arousal and helps maintain vital functions (like breathing) at moderate levels is the ________ branch.
    • A. 

      Sympathetic

    • B. 

      Parasympathetic

    • C. 

      Peripheral

  • 12. 
    While dissection was used to autopsy human and animal brains, which of the following brain tools can be used to map brain structures in living brains?
    • A. 

      CT scan and MRI scan

    • B. 

      PET scan and EEG

    • C. 

      EEG and EKG

  • 13. 
    Clarence was in a car accident, and the doctor suspects that he may have suffered damage to his brain. He is put within a chamber in which sound waves are utilized to give the doctors a three-dimensional picture of Clarence’s brain. Which technique is being utilized?
    • A. 

      EEG

    • B. 

      PET

    • C. 

      MRI

  • 14. 
    Which area of the brain is responsible for human intellectual superiority within the animal kingdom?
    • A. 

      Cerebral cortex

    • B. 

      Corpus callosum

    • C. 

      Cerebellum

  • 15. 
    The corpus callosum is a thick band of fibers that connect
    • A. 

      The motor cortex to the frontal lobe

    • B. 

      The two cerebral hemispheres

    • C. 

      The hindbrain to the midbrain

  • 16. 
    John has some paralysis and loss of sensation in his right side after a motorcycle accident. It is likely that there is brain damage in the
    • A. 

      Left hemisphere

    • B. 

      Cerebellum

    • C. 

      Right hemisphere

  • 17. 
    The surgical procedure of cutting the corpus callosum is done in cases of  
    • A. 

      Communication problems

    • B. 

      Severe epilepsy

    • C. 

      Split personality.

  • 18. 
    You are running the water for your bath and place your hand under the faucet to “feel” and adjust the temperature of the water. The temperature of the water registers in which brain area?
    • A. 

      Temporal lobes

    • B. 

      Frontal lobes

    • C. 

      Parietal lobes

  • 19. 
    Mary and John are listening to a speech pathologist pronounce words. Research shows that listening to these words will occur in ________ of the brain for Mary and  ________ of the brain for John.
    • A. 

      The right side; the left side

    • B. 

      Both sides; the left side

    • C. 

      Both sides; the right side

  • 20. 
    Christina enviously watches her tennis rival practice. She admires Serena’s control of the racket and finely coordinated movement. Having just covered the section on the brain in her psychology class, Christina states that Serena must have a highly developed.
    • A. 

      Hypothalamus

    • B. 

      Cerebellum

    • C. 

      Hippocampus.

    • D. 

      Limbic system