Neuroanatomy And Spinal Cord Trivia Quiz!

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| By Ykaan2000
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Ykaan2000
Community Contributor
Quizzes Created: 17 | Total Attempts: 11,296
Questions: 8 | Attempts: 546

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Neuroanatomy And Spinal Cord Trivia Quiz! - Quiz

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Questions and Answers
  • 1. 

    The fibers exiting from the neuron and coming to the neuron (axon and dendrites) are called neurites.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because neurites refer to the fibers that exit from a neuron and connect to other neurons. These fibers include both the axon, which transmits signals away from the neuron, and the dendrites, which receive signals from other neurons. Therefore, the statement accurately describes the term "neurites" and its association with the axon and dendrites of a neuron.

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  • 2. 

    The nervous system is divided into two pars anatomically; somatic and autonomic nervous systems.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because the nervous system is not divided into two "pars" anatomically, but rather into two parts: the central nervous system (which includes the brain and spinal cord) and the peripheral nervous system (which includes all the nerves outside of the brain and spinal cord). The somatic and autonomic nervous systems are subdivisions of the peripheral nervous system, not anatomical divisions of the entire nervous system.

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  • 3. 

    The autonomic ganglia (sympathetic and parasympathetic ganglia) are located in the brain and spinal cord.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The autonomic ganglia (sympathetic and parasympathetic ganglia) are not located in the brain and spinal cord. Instead, they are located outside of the central nervous system, forming a network of nerve cell clusters that are distributed throughout the body. These ganglia are responsible for relaying signals between the central nervous system and the organs, glands, and smooth muscles, helping to regulate various bodily functions.

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  • 4. 

    The structural base of the functional unit of the nervous system is simple and similar in all neurons.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that the structural base of the functional unit of the nervous system, which is the neuron, is indeed simple and similar in all neurons. Neurons consist of a cell body, dendrites, and an axon. The cell body contains the nucleus and other organelles, while the dendrites receive signals from other neurons, and the axon transmits signals to other neurons. This basic structure is consistent across all neurons, regardless of their specific function or location in the nervous system. Therefore, the statement is true.

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  • 5. 

    The neuron conveying the signal is called the postsynaptic neuron.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is false. The neuron conveying the signal is actually called the presynaptic neuron. The presynaptic neuron releases neurotransmitters that travel across the synapse and bind to receptors on the postsynaptic neuron, which then generates a new electrical signal. Therefore, the postsynaptic neuron is the one receiving the signal, not conveying it.

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  • 6. 

    The autonomic nervous system is distributed throughout the central and peripheral nervous systems.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The autonomic nervous system is a division of the peripheral nervous system that controls involuntary bodily functions. It is responsible for regulating processes such as heart rate, digestion, and breathing. The autonomic nervous system is distributed throughout both the central and peripheral nervous systems, meaning that it has connections and influences on various parts of the body. Therefore, the statement that the autonomic nervous system is distributed throughout the central and peripheral nervous systems is true.

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  • 7. 

    On cross-section, the white matter is H-shaped in the spinal cord.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because on cross-section, the white matter in the spinal cord is not H-shaped. The white matter in the spinal cord is actually shaped like a butterfly or an "H" turned on its side. It consists of anterior, posterior, and lateral columns, which are not arranged in a distinct H-shape.

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  • 8. 

    The sensations are carried by somatic afferent fibers in the spinal and cranial nerves from the abundant receptors in the skin.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because somatic afferent fibers in the spinal and cranial nerves carry sensations from receptors in the skin. These receptors detect various sensations such as touch, pressure, temperature, and pain. The information is then transmitted through these nerve fibers to the central nervous system, allowing us to perceive and respond to different stimuli.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 06, 2015
    Quiz Created by
    Ykaan2000
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