Central Nervous SySTEM: Basic Test! Quiz

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| By Vikram7797
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Vikram7797
Community Contributor
Quizzes Created: 1 | Total Attempts: 1,981
Questions: 10 | Attempts: 1,981

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Central Nervous System: Basic Test! Quiz - Quiz

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Questions and Answers
  • 1. 

    What are the two main organs of the Central Nervous System?

    • A.

      Brain & Spinal Cord

    • B.

      Brain & Liver

    • C.

      Spinal Cord & Kidney

    • D.

      Kidney & Liver

    Correct Answer
    A. Brain & Spinal Cord
    Explanation
    The central nervous system consists of the brain and spinal cord. These two organs work together to control and coordinate the functions of the body. The brain is responsible for processing information, making decisions, and controlling voluntary and involuntary actions. The spinal cord acts as a pathway for information to travel between the brain and the rest of the body, as well as controlling reflexes. Together, the brain and spinal cord play a crucial role in the functioning of the central nervous system.

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  • 2. 

    Do all living things have a central nervous system?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Not all living things have a central nervous system. While most animals, including humans, have a central nervous system consisting of the brain and spinal cord, there are many organisms that lack this complex system. For example, single-celled organisms like bacteria and protists do not have a central nervous system. Additionally, some simpler multicellular organisms like sponges and jellyfish have decentralized or diffuse nervous systems instead of a centralized one. Therefore, the statement "all living things have a central nervous system" is false.

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  • 3. 

    What is the name of the fluid that the brain is floating in?

    • A.

      Blood plasma

    • B.

      Braineous Fluid

    • C.

      Cerebrospinal Fluid

    • D.

      Cerebrocranium Fluid

    Correct Answer
    C. Cerebrospinal Fluid
    Explanation
    The fluid that the brain is floating in is called cerebrospinal fluid. This clear, colorless liquid surrounds the brain and spinal cord, providing protection and cushioning against any impact or injury. It also helps to regulate the chemical environment of the brain and remove waste products.

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  • 4. 

    Which of these activities require the CNS?

    • A.

      Walking

    • B.

      Reading

    • C.

      Playing a sport

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the activities mentioned, walking, reading, and playing a sport, require the Central Nervous System (CNS). The CNS consists of the brain and spinal cord, which are responsible for coordinating and controlling all bodily movements and functions. Walking involves the coordination of muscles and balance, which is controlled by the CNS. Reading requires the processing of visual information and comprehension, which is also controlled by the CNS. Playing a sport involves complex motor skills, decision-making, and coordination, all of which are regulated by the CNS. Therefore, all of these activities require the involvement of the CNS.

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  • 5. 

    The brain is protected by the vertebral column while the spinal cord is protected by the skull.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The brain is actually protected by the skull, not the vertebral column. The skull is a strong and rigid structure that surrounds and encases the brain, providing it with physical protection from external forces. On the other hand, the spinal cord is protected by the vertebral column, which is made up of a series of individual bones called vertebrae. These vertebrae form a bony canal that houses and shields the spinal cord, helping to prevent injury and damage.

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  • 6. 

    An example of a neurological disorder that occurs in the brain is?

    • A.

      Parkinson's Disease

    • B.

      Paraplegia

    • C.

      Quadriplegia

    Correct Answer
    A. Parkinson's Disease
    Explanation
    Parkinson's Disease is a neurological disorder that affects the brain. It is characterized by the degeneration of dopamine-producing cells in the brain, leading to symptoms such as tremors, rigidity, and difficulty with movement and coordination. The disorder primarily affects the motor system but can also cause non-motor symptoms such as cognitive impairments and mood changes. Parkinson's Disease is caused by a combination of genetic and environmental factors, and there is currently no cure for the condition. Treatment focuses on managing symptoms and improving quality of life.

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  • 7. 

    Damage to Broca's Area would result in some ability to understand speech but an inability to produce intelligible words.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Damage to Broca's Area, located in the frontal lobe of the brain, is associated with a condition called Broca's aphasia. This condition typically leads to difficulty in producing coherent speech while comprehension of language remains relatively intact. Individuals with damage to Broca's Area may struggle to form words and sentences, resulting in a limited ability to express themselves verbally. Therefore, the statement that damage to Broca's Area would result in some ability to understand speech but an inability to produce intelligible words is true.

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  • 8. 

    Paraplegia occurs when the four limbs of the body is paralysed.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Paraplegia is a condition characterized by paralysis or loss of function in the lower half of the body, typically affecting both legs and sometimes parts of the trunk. It does not necessarily involve paralysis of all four limbs. Therefore, the statement that paraplegia occurs when all four limbs of the body are paralyzed is incorrect.

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  • 9. 

    Quadriplegia occurs when there is damage towards the cervical vertebrae.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Quadriplegia is a condition that results in paralysis of all four limbs and the torso. It occurs when there is damage to the cervical vertebrae, which are located in the neck region of the spine. The cervical vertebrae are responsible for supporting the head and allowing for movement and flexibility in the neck. Damage to these vertebrae can disrupt the communication between the brain and the rest of the body, leading to quadriplegia. Therefore, the statement that quadriplegia occurs when there is damage towards the cervical vertebrae is true.

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  • 10. 

    Mr.Joel is enjoying the sunrise with his students. Which lobe of the brain allows them to do so?

    • A.

      Frontal Lobe

    • B.

      Occipital Lobe

    • C.

      Parietal Lobe

    • D.

      Temporal Lobe

    Correct Answer
    B. Occipital Lobe
    Explanation
    The occipital lobe is responsible for processing visual information, including the ability to see and perceive colors, shapes, and movement. In this scenario, Mr. Joel and his students are enjoying the sunrise, which involves the visual experience of seeing the colors and patterns in the sky as the sun rises. Therefore, it is the occipital lobe that allows them to enjoy the sunrise.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 24, 2016
    Quiz Created by
    Vikram7797
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