Quiz On The Nervous System

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  • 1/14 Questions

    Which of these are the parts of the central nervous system?

    • Brain and spinal cord
    • Spinal cord and heart
    • Heart and brain
    • Brain and lungs
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About This Quiz

Are you ready to take a quiz on the nervous system? Our nervous system is complex and plays an integral part in control and coordination. With the help of this quiz, not only will you get to test your knowledge of the nervous system, but you will also have a better understanding of its parts, functions, and some other important information. All the best to you with this quiz!

Quiz On The Nervous System - Quiz

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  • 2. 

    Which of these is not a part of a nerve cell?

    • Root

    • Axon

    • Dendrites

    • None of these

    Correct Answer
    A. Root
    Explanation
    A nerve cell, also known as a neuron, consists of several components including the cell body, dendrites, and an axon. The root is not a part of a nerve cell. The root is typically associated with plants and is responsible for anchoring the plant and absorbing water and nutrients from the soil. In the context of nerve cells, the root is not relevant and does not play a role in the structure or function of a neuron.

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  • 3. 

    The nervous system consists of:

    • Brain

    • Spinal cord

    • Nerves

    • All of these

    Correct Answer
    A. All of these
    Explanation
    The correct answer is "All of these" because the nervous system is made up of the brain, spinal cord, and nerves. The brain is the control center of the nervous system, while the spinal cord acts as a pathway for nerve signals between the brain and the rest of the body. Nerves are the communication lines that transmit signals to and from the brain and spinal cord to different parts of the body. Therefore, all three components are essential for the functioning of the nervous system.

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  • 4. 

    The Peripheral Nervous System has all of the nerves outside of the Central Nervous System.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that the peripheral nervous system consists of all the nerves outside of the central nervous system, which includes the nerves that connect the brain and spinal cord to the rest of the body. This system is responsible for transmitting information between the central nervous system and the rest of the body, allowing for the control and coordination of bodily functions. Therefore, it is true that the peripheral nervous system has all of the nerves outside of the central nervous system.

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  • 5. 

    What does our nervous system not do?

    • Store water

    • Sense the changes internally and externally

    • Sense the changes externally

    • None of these

    Correct Answer
    A. Store water
    Explanation
    The nervous system is responsible for transmitting signals throughout the body and coordinating bodily functions. However, it does not have the ability to store water. This function is primarily carried out by the kidneys and the urinary system. Therefore, the correct answer is that the nervous system does not store water.

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  • 6. 

    What are synapses made of?

    • Presynaptic terminal

    • Postsynaptic terminal

    • Impulses

    • Both A & B

    Correct Answer
    A. Both A & B
    Explanation
    Synapses are composed of both a presynaptic terminal and a postsynaptic terminal. The presynaptic terminal is where neurotransmitters are released from the neuron, while the postsynaptic terminal is where these neurotransmitters are received by another neuron or cell. This structure allows for the transmission of impulses between neurons or from neurons to other cells, facilitating communication within the nervous system.

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  • 7. 

    What is the Myelin Sheath made of?

    • Swans' Cells

    • Szechuan cells

    • Axons

    • Schwann cells

    Correct Answer
    A. Schwann cells
    Explanation
    The myelin sheath is made of Schwann cells. Schwann cells are a type of glial cell that wrap around and insulate axons in the peripheral nervous system. They form a protective covering called the myelin sheath, which helps to speed up the transmission of electrical impulses along the axon. This insulation allows for faster and more efficient communication between neurons.

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  • 8. 

    Where is the cerebellum located?

    • In the back of the head

    • In the front of the head

    • In the middle of the head

    • None of these is true.

    Correct Answer
    A. In the back of the head
    Explanation
    The cerebellum is located in the back of the head. It is a small, cauliflower-shaped structure that is positioned at the base of the brain, just above the brainstem. It plays a crucial role in coordinating voluntary movements, maintaining balance, and fine-tuning motor skills. Its location in the back of the head allows it to receive sensory information from the spinal cord and other parts of the brain, and then send out motor signals to control movement and posture.

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  • 9. 

    There are 41 pairs of spinal nerves that affect sensory, motor, and mixed nerves.

    • False

    • True

    Correct Answer
    A. False
    Explanation
    The statement that there are 41 pairs of spinal nerves that affect sensory, motor, and mixed nerves is false. In reality, there are 31 pairs of spinal nerves that are responsible for transmitting sensory, motor, and mixed signals throughout the body. These nerves emerge from the spinal cord and are crucial for the functioning of the peripheral nervous system.

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  • 10. 

    The spinal nerves located in the chest area are called Lumbar nerves.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false because the spinal nerves located in the chest area are actually called Thoracic nerves, not Lumbar nerves. The thoracic nerves are responsible for transmitting sensory and motor information between the chest and the spinal cord. The lumbar nerves, on the other hand, are located in the lower back region and are responsible for transmitting signals to and from the lower limbs.

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  • 11. 

    Studying the nervous system helps therapists

    • Understand the bacteria growth all over our bodies

    • Understand the effects stress has on our body

    • Understand how nutrition affects our body

    • Understand our hormones and their roles in our body

    Correct Answer
    A. Understand the effects stress has on our body
    Explanation
    Studying the nervous system helps therapists understand the effects stress has on our body. The nervous system plays a crucial role in regulating our body's response to stress. It controls the release of stress hormones, such as cortisol, and activates the fight-or-flight response. By studying the nervous system, therapists can gain insights into how stress impacts various bodily functions, such as heart rate, blood pressure, and immune response. This understanding allows them to develop effective strategies and interventions to help individuals manage and cope with stress-related issues.

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  • 12. 

    Cerebrum is

    • The smallest part of the brain

    • The second largest part of the brain

    • The largest part of the brain

    • None of these is true.

    Correct Answer
    A. The largest part of the brain
    Explanation
    The cerebrum is the largest part of the brain and is responsible for higher functions such as thinking, reasoning, memory, and sensory processing. It is divided into two hemispheres and plays a crucial role in coordinating various complex activities.

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  • 13. 

    The 12th cranial nerve is pure sensory.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The 12th cranial nerve, also known as the hypoglossal nerve, is not pure sensory. It is actually a mixed nerve, meaning it contains both sensory and motor fibers. The hypoglossal nerve primarily innervates the muscles responsible for controlling the movements of the tongue. Therefore, the statement that the 12th cranial nerve is pure sensory is incorrect.

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  • 14. 

    What are Dendrites in a nerve cell?

    • Coated by the Myelin Sheath

    • They are projections from nerve soma.

    • They are nerve fibers.

    • They are released in times of stress.

    Correct Answer
    A. They are projections from nerve soma.
    Explanation
    The answer is "They are projections from nerve soma." Dendrites are part of a nerve cell (or neuron) and serve as the part that receives signals from other cells. They are projections or branches that extend from the main body of the neuron, called the soma or cell body. These dendrites have small protrusions called dendritic spines, which help to increase their surface area and allow them to receive more signals from other neurons. The signals received by the dendrites are then transmitted through the neuron, ultimately leading to the generation of a new signal or response. Dendrites play a crucial role in the communication between neurons and are essential for the proper functioning of the nervous system.

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  • Current Version
  • Apr 10, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 13, 2012
    Quiz Created by
    Rgetty
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