Overview Of The Nervous System Quiz

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  • 1/10 Questions

    The spinal cord is part of the central nervous system.

    • True
    • False
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About This Quiz

How well do you know about the human nervous system? Check out this 'Overview of the nervous system quiz' and check your knowledge for the same. Do you know our brain and nervous system control everything we do? It's basically our body's command center. Take the following quiz and learn more about neurons and parts of the brain. So, what are you waiting for? Shall we begin the quiz now? Best of luck to you in advance.

Overview Of The Nervous System Quiz - Quiz

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  • 2. 

    The division of the nervous system that contains the brain and spinal cord is called the __________________ nervous system.

    • Central

    • Peripheral

    • Cerebral

    • Parietal

    Correct Answer
    A. Central
    Explanation
    The correct answer is central. The division of the nervous system that contains the brain and spinal cord is referred to as the central nervous system. This system is responsible for processing and coordinating information received from the peripheral nervous system and sending out appropriate responses. It plays a crucial role in controlling and regulating bodily functions and behaviors.

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  • 3. 

    Axons carry nerve impulses away from the cell body.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Axons are long, slender extensions of a neuron that transmit electrical signals, known as nerve impulses, away from the cell body to other neurons, muscles, or glands. These impulses travel along the axon, which is covered by a myelin sheath that helps to speed up the transmission of signals. Therefore, it is correct to say that axons carry nerve impulses away from the cell body.

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  • 4. 

    What is the small gap between the axon and dendrite of two nearby neurons?

    • Cell body

    • Interneuron

    • Impulse

    • Synapse

    Correct Answer
    A. Synapse
    Explanation
    The small gap between the axon and dendrite of two nearby neurons is called a synapse. This is where communication occurs between neurons, as electrical impulses are transmitted from the axon of one neuron to the dendrite of another. The synapse allows for the transfer of information from one neuron to the next, enabling the transmission of signals throughout the nervous system.

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  • 5. 

    Which part of the brain is the largest?

    • Cerebellum

    • Cerebrum

    • Brain stem

    • Spinal cord

    Correct Answer
    A. Cerebrum
    Explanation
    The cerebrum is the largest part of the brain. It is responsible for higher cognitive functions such as thinking, reasoning, memory, and voluntary movement. It is divided into two hemispheres and consists of various lobes, including the frontal, parietal, temporal, and occipital lobes. The cerebrum plays a crucial role in complex activities and processes, making it the largest and most important part of the brain.

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  • 6. 

    Which of the following is NOT one of the three types of neurons?

    • Cerebral neuron

    • Sensory neuron

    • Interneuron

    • Motor neuron

    Correct Answer
    A. Cerebral neuron
    Explanation
    The term "cerebral neuron" is not commonly used in neuroscience or biology. The three types of neurons are sensory neurons, interneurons, and motor neurons. Sensory neurons transmit information from sensory organs to the central nervous system, interneurons are responsible for communication within the central nervous system, and motor neurons transmit signals from the central nervous system to muscles and glands. Therefore, "cerebral neuron" is not one of the three types of neurons.

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  • 7. 

    Signals from your brain or spinal cord to muscles and other parts of your body are carried by ______________________.

    • Cerebral neurons

    • Motor neurons

    • Sensory neurons

    • Interneurons

    Correct Answer
    A. Motor neurons
    Explanation
    Motor neurons are responsible for carrying signals from the brain or spinal cord to muscles and other parts of the body. These neurons transmit electrical impulses that control muscle movement and are essential for voluntary and involuntary movements. Unlike sensory neurons, which carry signals from sensory organs to the brain, motor neurons specifically transmit signals that initiate muscle contraction and movement. Cerebral neurons and interneurons are not directly involved in carrying signals to muscles, making motor neurons the correct answer.

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  • 8. 

    Which is the correct pathway of a reflex arc?

    • Motor neuron -> interneuron -> sensory neuron -> response

    • Sensory neuron -> response -> interneuron -> motor neuron

    • Motor neuron -> interneuron -> brain -> response 

    • Sensory neuron -> interneuron -> motor neuron -> response

    Correct Answer
    A. Sensory neuron -> interneuron -> motor neuron -> response
    Explanation
    The correct pathway of a reflex arc starts with the sensory neuron, which detects a stimulus and sends the information to the interneuron. The interneuron then processes the information and sends it to the motor neuron, which triggers a response or action. Finally, the response occurs as a result of the motor neuron's activation.

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  • 9. 

    Coughing and sneezing are controlled by the cerebrum.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Coughing and sneezing are not controlled by the cerebrum, but rather by the brainstem. The brainstem is responsible for regulating basic bodily functions, including reflexes like coughing and sneezing. These actions are triggered by irritants in the respiratory tract and are involuntary responses that help to clear the airways. The cerebrum, on the other hand, is responsible for higher cognitive functions such as thinking, reasoning, and voluntary movements.

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  • 10. 

    The part of the brain that functions in involuntary muscle coordination is the ______________________.

    • Cerebrellum

    • Brain stem

    • Cerebrum

    • Spinal cord

    Correct Answer
    A. Cerebrellum
    Explanation
    The cerebellum is the part of the brain that functions in involuntary muscle coordination. It plays a crucial role in maintaining balance, posture, and coordinating smooth movements. It receives information from various sensory systems and sends signals to the muscles to ensure precise and coordinated movements. Damage to the cerebellum can result in difficulties with motor control, such as unsteady gait, tremors, and problems with coordination.

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  • Current Version
  • Jun 10, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 26, 2022
    Quiz Created by
    Alfredhook3
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