Nervous System Quiz: How Much You Know?

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| By Becky Porch
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Becky Porch
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Quizzes Created: 1 | Total Attempts: 184
| Attempts: 184
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  • 1/15 Questions

    Which of the following is NOT a part of a neuron?

    • Axon
    • Dendrite
    • Cell body
    • All of these are parts of a neuron
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About This Quiz

Explore the complexities of the nervous system in this engaging quiz! Test your knowledge on neurons, the CNS, sensory neurons, and more. Perfect for learners looking to understand brain structures and their functions in connecting emotions to experiences.

Nervous System Quiz: How Much You Know? - Quiz

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  • 2. 

    Neurons classified by structure include unipolar, multipolar, and _____.

    Explanation
    The correct answer is bipolar. Neurons can be classified by their structure, and this classification includes three types: unipolar, multipolar, and bipolar. Unipolar neurons have a single process extending from the cell body, while multipolar neurons have multiple processes extending from the cell body. Bipolar neurons have two processes extending from the cell body, one axon and one dendrite. This classification helps in understanding the different functions and connections of neurons in the nervous system.

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  • 3. 

    The three major parts of the brain are the cerebrum, the brain stem, and the _______

    Explanation
    The cerebellum is the correct answer because it is one of the three major parts of the brain. It is located at the back of the brain, beneath the cerebrum. The cerebellum plays a crucial role in coordinating voluntary movements, balance, posture, and motor learning. It receives information from various parts of the brain and spinal cord and helps to fine-tune movements and maintain equilibrium. Without the cerebellum, our ability to control and coordinate movements would be severely impaired.

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  • 4. 

    Which of the following make up the CNS?

    • Brain and spinal cord

    • Brain and nerves

    • Spinal cord and nerves

    • Nerves

    Correct Answer
    A. Brain and spinal cord
    Explanation
    The central nervous system (CNS) consists of the brain and spinal cord. These two structures are responsible for processing and transmitting information throughout the body. The brain is the control center of the body, coordinating and regulating various bodily functions. The spinal cord acts as a pathway for communication between the brain and the rest of the body, relaying sensory and motor signals. Together, the brain and spinal cord form the central command center of the nervous system, playing a crucial role in maintaining homeostasis and facilitating complex behaviors.

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  • 5. 

    What connects the brain to the spinal cord?

    • Cerebrum

    • Cerebellum

    • Brain stem

    • Corpus callosum

    Correct Answer
    A. Brain stem
    Explanation
    The brain stem connects the brain to the spinal cord. It is responsible for relaying messages between the brain and the rest of the body, including controlling basic functions such as breathing, heart rate, and blood pressure. The brain stem also plays a crucial role in maintaining consciousness and regulating sleep and wake cycles.

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  • 6. 

    Rapid involuntary response to a stimulus is a ______.

    Correct Answer
    reflex
    Explanation
    A rapid involuntary response to a stimulus is known as a reflex. Reflexes are automatic and do not require conscious thought or decision-making. They occur in response to a specific stimulus and are designed to help protect the body and maintain homeostasis. Examples of reflexes include the knee-jerk reflex, where the leg extends involuntarily when the knee is tapped, and the blinking reflex, where the eyelids close automatically in response to a sudden bright light or object approaching the eye.

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  • 7. 

    Which cells produce myelin?

    • Schwann

    • Neuroglial

    • Astrocytes

    • None of these

    Correct Answer
    A. Schwann
    Explanation
    Schwann cells are responsible for producing myelin. Myelin is a fatty substance that forms a protective covering around nerve fibers in the peripheral nervous system. This insulation helps to increase the speed and efficiency of nerve signal transmission. Schwann cells are found in the peripheral nervous system and wrap around individual nerve fibers, creating multiple layers of myelin. In contrast, neuroglial cells are a general category of cells that support and protect neurons, but they do not produce myelin. Astrocytes, another type of neuroglial cell, also do not produce myelin. Therefore, the correct answer is Schwann cells.

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  • 8. 

    The two kinds of nerve cells are neurons and?

    • Ganglia

    • Neuroglial

    • Neurologic

    • Synaptic

    Correct Answer
    A. Neuroglial
    Explanation
    Neuroglial cells are a type of nerve cell that provide support and protection to neurons in the central nervous system. They do not transmit electrical impulses like neurons, but they play a crucial role in maintaining the overall functioning of the nervous system. Therefore, neuroglial is the correct answer as it represents the other type of nerve cell besides neurons.

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  • 9. 

    Which of the following carry impulses from the body part to the CNS?

    • Associative neurons

    • Motor neurons

    • Sensory neurons

    • Efferent neurons

    Correct Answer
    A. Sensory neurons
    Explanation
    Sensory neurons carry impulses from the body part to the central nervous system (CNS). These neurons are responsible for transmitting sensory information such as touch, temperature, pain, and other sensory stimuli from the body to the CNS. Once the impulses reach the CNS, they are processed and interpreted, allowing the body to respond accordingly. Sensory neurons play a crucial role in our ability to perceive and interact with the external environment.

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  • 10. 

    What allows a person to connect emotions to experiences?

    • Limbic system

    • Cerebrospinal fluid

    • Insula

    • None of these

    Correct Answer
    A. Limbic system
    Explanation
    The limbic system is responsible for connecting emotions to experiences. It is a complex network of brain structures, including the amygdala, hippocampus, and hypothalamus, that play a crucial role in regulating emotions, memory, and motivation. Through its connections with other parts of the brain, the limbic system helps to process and interpret emotional stimuli, allowing individuals to form emotional responses to their experiences. The cerebrospinal fluid and insula are not directly involved in this process.

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  • 11. 

    A deep groove in a brain is a?

    • Fissure

    • Sulcus

    • Gyrus

    • Convolution

    Correct Answer
    A. Fissure
    Explanation
    A deep groove in the brain is called a fissure. Fissures are large, deep grooves that divide the brain into different lobes and regions. They are usually found in the cerebral cortex and play a crucial role in separating and organizing different areas of the brain. Fissures are important landmarks for neuroanatomy and help in understanding the structure and function of the brain. Sulcus, gyrus, and convolution are also terms used to describe different features of the brain, but they do not specifically refer to deep grooves like fissures do.

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  • 12. 

    What color are myelinated nerve fibers?

    • Gray

    • Brown

    • White

    • Transparent

    Correct Answer
    A. White
    Explanation
    Myelinated nerve fibers are white in color because they are covered in a fatty substance called myelin. This myelin sheath gives the nerve fibers a white appearance.

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  • 13. 

    The fat-filled space between the dura mater and the vertebrae is called the

    • Cerebrospinal space

    • Arachnoid space

    • Epidural space

    • Dura mater space

    Correct Answer
    A. Epidural space
    Explanation
    The correct answer is epidural space. The epidural space is a fat-filled space located between the dura mater (the outermost layer of the meninges) and the vertebrae. It provides cushioning and protection for the spinal cord and spinal nerves. The cerebrospinal space refers to the space within the brain and spinal cord where cerebrospinal fluid circulates. The arachnoid space is the space between the arachnoid mater and the pia mater, two layers of the meninges. The dura mater space does not exist as a distinct anatomical term.

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  • 14. 

    What are the nerves called that attach to the end of the spinal cord and run downward?

    • Spinal termination

    • Cauda equine

    • Plexuses

    • Reticular formation

    Correct Answer
    A. Cauda equine
    Explanation
    The correct answer is cauda equine. The cauda equine refers to a bundle of nerves that extend from the end of the spinal cord. These nerves resemble a horse's tail, which is what "cauda equine" means in Latin. These nerves branch out and run downward within the spinal canal, providing innervation to the lower body and limbs. The cauda equine is responsible for transmitting sensory and motor signals between the spinal cord and the lower extremities.

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  • 15. 

    What is the name of the protective layer that touches the spinal cord and brain and carries the blood vessels?

    • Pia mater

    • Dura mater

    • Arachnoid mater

    • Myelin

    Correct Answer
    A. Pia mater
    Explanation
    The pia mater is the innermost layer of the meninges, which are protective membranes that surround the spinal cord and brain. It is a thin and delicate layer that directly touches the spinal cord and brain and contains blood vessels that supply nutrients and oxygen to these organs. The pia mater acts as a protective cushion and also helps in the circulation of cerebrospinal fluid.

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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 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 01, 2016
    Quiz Created by
    Becky Porch
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