Quiz On Anatomy Nervous System! Trivia

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  • 1/34 Questions

    What is the autonomic nervous systems sympathetic response, where is it located and what are its effects on the body.

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About This Quiz

Explore the structure and function of the nervous system with this engaging quiz. Test your knowledge on the central and peripheral nervous systems, understand neuron diversity, and differentiate between somatic and visceral controls.

Quiz On Anatomy Nervous System! Trivia - Quiz

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  • 2. 

    What is the Parasympathetic nervous response, where is it located, and how does it affect the body.

  • 3. 

    What structural components make up the Central Nervous System?

    • Somadic components

    • Nerves and Ganglia

    • Brain and Spinal Chord

    Correct Answer
    A. Brain and Spinal Chord
    Explanation
    The central nervous system is made up of the brain and spinal cord. These two components are essential for the functioning of the nervous system. The brain is responsible for processing information, controlling body functions, and coordinating movements. The spinal cord acts as a pathway for transmitting signals between the brain and the rest of the body. Together, the brain and spinal cord form the central command center of the nervous system, allowing for the integration and coordination of various bodily functions.

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  • 4. 

    What Structural components make up the Peripheral Nervous system?

    • Somadic components

    • Nerves and Ganglia

    • Brain and Spinal Chord

    Correct Answer
    A. Nerves and Ganglia
    Explanation
    The correct answer is "Nerves and Ganglia." The peripheral nervous system is made up of nerves, which are bundles of axons that transmit signals between the central nervous system and other parts of the body. Ganglia are clusters of nerve cell bodies located outside the central nervous system. Together, nerves and ganglia form the structural components of the peripheral nervous system.

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  • 5. 

    What are ganglia?

    • Components connecting neurons

    • Collection of neural axons

    • Collection of neuronal body's

    Correct Answer
    A. Collection of neuronal body's
    Explanation
    Ganglia are collections of neuronal bodies, which are clusters of nerve cells. They are found outside the central nervous system and are responsible for relaying information between neurons. Ganglia are important for coordinating various bodily functions and can be found in different parts of the body, such as the autonomic ganglia in the peripheral nervous system.

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  • 6. 

    Afferent Signals __________ information to/from the body while Efferent signals _________ information to/from the body.

    Correct Answer
    Afferent- bring Efferent-send
    Explanation
    Afferent signals refer to the sensory signals that bring information from the body to the central nervous system, while efferent signals refer to the motor signals that send information from the central nervous system to the body.

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  • 7. 

    Somadic Control involves _____________ control of the body while Visceral Control involves ________ control of the body.

    Correct Answer
    Somadic--conscious Visceral--involuntary
    Explanation
    Somadic control refers to the conscious control of the body, meaning that it is under the control of our conscious mind. This type of control allows us to intentionally move our body parts or perform specific actions. On the other hand, visceral control involves involuntary control of the body. This means that it is not under our conscious control and is instead regulated by our autonomic nervous system. Visceral control is responsible for regulating functions such as digestion, heart rate, and breathing, which occur automatically without our conscious effort.

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  • 8. 

    Neurons are the most diverse type of cell in size and shape.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Neurons are indeed the most diverse type of cell in terms of both size and shape. This is because neurons have specialized structures called dendrites and axons that allow them to transmit electrical signals and communicate with other cells. The size and shape of these structures can vary greatly depending on the specific function and location of the neuron within the nervous system. Additionally, neurons can have different types of branching patterns and connections, further contributing to their diversity in size and shape.

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  • 9. 

    All none or which of the following make up a neuron?

    • Cell body

    • Dendrite

    • Axon

    • Synapse

    Correct Answer(s)
    A. Cell body
    A. Dendrite
    A. Axon
    A. Synapse
    Explanation
    The correct answer includes all of the options listed. A neuron is composed of a cell body, dendrites, an axon, and synapses. The cell body contains the nucleus and other organelles necessary for the neuron's functioning. Dendrites receive signals from other neurons and transmit them to the cell body. The axon carries signals away from the cell body to other neurons or muscles. Synapses are the junctions between neurons where signals are transmitted. All of these components work together to allow neurons to transmit and process information in the nervous system.

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  • 10. 

    What are dendrites?

    • Short processes which bring signals into the cell body

    • Long processes that send signals out of the cell body

    • Gaps between axons and post synaptic cells

    Correct Answer
    A. Short processes which bring signals into the cell body
    Explanation
    Dendrites are short processes that bring signals into the cell body. They are responsible for receiving information from other neurons and transmitting it to the cell body. Dendrites have numerous branches and are covered in tiny protrusions called dendritic spines, which increase the surface area available for receiving signals. This allows dendrites to collect and integrate incoming signals from multiple sources, enabling communication and information processing within the nervous system.

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  • 11. 

    What are axons?

    • Short processes which bring signals into the cell body

    • Long processes that send signals out of the cell body

    • Gaps between axons and post synaptic cells

    Correct Answer
    A. Long processes that send signals out of the cell body
    Explanation
    Axons are long processes that transmit signals away from the cell body of a neuron. They are responsible for conducting electrical impulses known as action potentials, which allow communication between neurons and other cells in the body. Axons can vary in length, with some extending over long distances within the body. They are covered by a fatty substance called myelin, which helps to insulate and speed up the transmission of signals along the axon.

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  • 12. 

    What are synapses?

    • Short processes which bring signals into the cell body

    • Long processes that send signals out of the cell body

    • Gaps between axons and post synaptic cells

    Correct Answer
    A. Gaps between axons and post synaptic cells
    Explanation
    Synapses are gaps between axons and post-synaptic cells. They are the points of communication between neurons, where signals are transmitted from one neuron to another. Axons send signals out of the cell body, while the post-synaptic cells receive these signals. The synapses act as the connection points where the signals are transmitted across the gap.

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  • 13. 

    What does myelination aid in?

    • Lowers the specialization of cell body barrier

    • Speeds transition of signal down the axon

    • Shrinks overall surface area of ganglia

    Correct Answer
    A. Speeds transition of signal down the axon
    Explanation
    Myelination aids in speeding up the transition of signals down the axon. Myelin is a fatty substance that forms a protective covering around the axons of neurons. This covering acts as an insulator, allowing electrical signals to be transmitted more efficiently and quickly along the axon. The myelin sheath helps to prevent signal loss or interference, resulting in faster transmission of signals between neurons.

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  • 14. 

    The CNS cortex

    • Covers the brain

    • Makes up cell bodies deep within the brain

    • Connects axons and neurons

    Correct Answer
    A. Covers the brain
    Explanation
    The CNS cortex is the outer layer of the brain that covers and protects it. It is made up of cell bodies deep within the brain and also connects axons and neurons. The cortex plays a crucial role in various cognitive functions such as perception, memory, and decision-making.

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  • 15. 

    Gray matter is a collection of cell bodies which contain small myelinations.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Gray matter is indeed a collection of cell bodies, which are the main components of neurons. These cell bodies are responsible for processing and transmitting information in the nervous system. Additionally, gray matter contains small myelinations, which are fatty coverings that insulate and protect the axons of neurons. This insulation helps to increase the speed and efficiency of nerve signal transmission. Therefore, the statement that gray matter is a collection of cell bodies which contain small myelinations is true.

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  • 16. 

    All none or which of the following are Gray Matter.

    • Cortex

    • Nuclei

    • Tracts

    • Nerves

    Correct Answer(s)
    A. Cortex
    A. Nuclei
    Explanation
    Gray matter refers to the regions of the central nervous system that primarily consist of nerve cell bodies, dendrites, and glial cells. The cortex, which is the outer layer of the brain responsible for higher cognitive functions, is composed of gray matter. Nuclei, which are clusters of nerve cell bodies within the central nervous system, also contain gray matter. However, tracts and nerves primarily consist of white matter, which is composed of myelinated axons. Therefore, tracts and nerves are not considered gray matter.

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  • 17. 

    All none or which of the following are White Matter?

    • Cortex

    • Nuclei

    • Tracts

    • Nerves

    Correct Answer(s)
    A. Tracts
    A. Nerves
    Explanation
    White matter refers to the part of the central nervous system that is primarily composed of myelinated nerve fibers. These fibers form tracts, which are bundles of axons that connect different regions of the brain and spinal cord. Nerves, on the other hand, are structures that consist of bundles of axons outside of the central nervous system, such as those found in the peripheral nervous system. The cortex and nuclei, on the other hand, are part of the gray matter, which contains cell bodies and unmyelinated axons. Therefore, the correct answer is tracts and nerves.

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  • 18. 

    White matter tracts are part of the PNS.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    White matter tracts are not part of the peripheral nervous system (PNS). White matter refers to the regions of the central nervous system (CNS) that contain myelinated nerve fibers, while the PNS consists of nerves and ganglia outside of the CNS. Therefore, the statement is false.

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  • 19. 

    Tracts are connections to form the brain and PNS.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Tracts are indeed connections that form the brain and peripheral nervous system (PNS). They are bundles of nerve fibers that carry information between different parts of the nervous system. Tracts can be found within the brain, connecting different regions, as well as in the PNS, connecting the spinal cord to various parts of the body. Therefore, the statement "Tracts are connections to form the brain and PNS" is correct.

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  • 20. 

    PNS nerves do which of the following.

    • Connect to form brain and PNS

    • Cover the brain

    • Connect axons and neurons

    Correct Answer
    A. Connect axons and neurons
    Explanation
    PNS nerves connect axons and neurons. This means that they facilitate communication between different parts of the nervous system by transmitting electrical signals from one neuron to another or from a neuron to a muscle or gland. They act as a network of pathways that allow information to be relayed throughout the body, enabling various bodily functions and responses.

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  • 21. 

    The autonomic nervous system does all none or which of the following?

    • Sends signals out to the body

    • Receives signals from the body

    • Is associated with involuntary control

    Correct Answer(s)
    A. Sends signals out to the body
    A. Is associated with involuntary control
    Explanation
    The autonomic nervous system is responsible for sending signals out to the body and is associated with involuntary control. It regulates various bodily functions such as heart rate, digestion, and breathing, which are not under conscious control. Therefore, it does not receive signals from the body, as that is the role of the sensory nervous system.

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  • 22. 

    All none or which of the following does the autonomic nervous system innervate.

    • Smooth muscle

    • Cardiac muscle

    • Skeletal muscle

    • Epithelial muscle

    • Glands

    Correct Answer(s)
    A. Smooth muscle
    A. Cardiac muscle
    A. Glands
    Explanation
    The autonomic nervous system innervates smooth muscle, cardiac muscle, and glands. Smooth muscle is found in the walls of organs such as the intestines and blood vessels, and the autonomic nervous system controls its contraction and relaxation. Cardiac muscle is found in the heart, and the autonomic nervous system regulates its contraction to maintain heart rate and blood pressure. Glands, such as sweat glands and salivary glands, are also innervated by the autonomic nervous system, which controls their secretion. Skeletal muscle, which is responsible for voluntary movements, is not innervated by the autonomic nervous system. Epithelial muscle is not a recognized term in anatomy.

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  • 23. 

    Which cranial nerves carry sympathetic/parasympathetic responses?

    • I

    • III

    • V

    • VII

    • IX

    • X

    Correct Answer(s)
    A. III
    A. VII
    A. IX
    A. X
    Explanation
    The cranial nerves that carry sympathetic/parasympathetic responses are III, VII, IX, and X. These nerves are responsible for transmitting signals to various organs and tissues in the body to regulate involuntary functions such as heart rate, digestion, and pupil dilation. Cranial nerve III, also known as the oculomotor nerve, controls the muscles that move the eye and constrict the pupil. Cranial nerve VII, the facial nerve, controls facial expressions and salivary glands. Cranial nerve IX, the glossopharyngeal nerve, is involved in swallowing and salivation. Lastly, cranial nerve X, the vagus nerve, is the main parasympathetic nerve that innervates organs in the chest and abdomen, including the heart, lungs, and digestive system.

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  • 24. 

    What is the Spinal Chord a remnant of?

    • The lumen of the embryonic neural tube

    • The base of the brain stem

    • The lateral costals

    Correct Answer
    A. The lumen of the embryonic neural tube
    Explanation
    The spinal cord is a remnant of the lumen of the embryonic neural tube. During embryonic development, the neural tube forms and eventually differentiates into the brain and spinal cord. The lumen of the neural tube becomes the central canal of the spinal cord, which is filled with cerebrospinal fluid. The spinal cord plays a crucial role in transmitting sensory and motor signals between the brain and the rest of the body.

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  • 25. 

    Where does the Spinal chord end?

    • L1/L2

    • L3/L4

    • L5/L6

    Correct Answer
    A. L1/L2
    Explanation
    The spinal cord ends at the level of L1/L2. This is the last segment of the spinal cord before it tapers off into a bundle of nerves called the cauda equina. The cauda equina continues down the spinal canal and provides innervation to the lower extremities.

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  • 26. 

    What is the ending of the Spinal Chord called?

    • Cauda Equina

    • Conis Medularis

    • Cortex

    Correct Answer
    A. Conis Medularis
  • 27. 

    What does the Spinal Chord connect?

    • Spinal nerves

    • CNS and PNS

    • Brain and Body

    Correct Answer
    A. CNS and PNS
    Explanation
    The spinal cord connects the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord, while the PNS includes all the nerves outside of the CNS. Therefore, the spinal cord acts as a pathway for communication between the brain and the rest of the body, allowing sensory information to be transmitted to the brain and motor signals to be sent from the brain to the body.

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  • 28. 

    Spinal nerves are named according to vertebral level.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Spinal nerves are indeed named according to the vertebral level they originate from. There are 31 pairs of spinal nerves, each emerging from a specific level of the spinal cord. These levels correspond to the vertebrae in the spinal column, with eight cervical nerves, twelve thoracic nerves, five lumbar nerves, five sacral nerves, and one coccygeal nerve. This naming convention helps in identifying and locating specific spinal nerves based on their corresponding vertebral level.

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  • 29. 

    Spinal nerves are named according to the vertebral level below the nerve.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Spinal nerves are actually named according to the vertebral level above the nerve, not below. Each spinal nerve emerges from the spinal cord through an opening between two adjacent vertebrae, and it is named based on the level of the vertebra above it. For example, the spinal nerve that emerges between the first and second thoracic vertebrae is called the T1 spinal nerve. Therefore, the given statement is false.

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  • 30. 

    The Dorsal root is:

    • Afferent

    • Efferent

    • Made of motor fibers

    • Made of ganglia

    Correct Answer(s)
    A. Afferent
    A. Made of ganglia
    Explanation
    The dorsal root is a part of the spinal nerve that carries sensory information from the peripheral nerves to the spinal cord. It is afferent because it transmits signals towards the central nervous system. Additionally, it is made of ganglia, which are clusters of nerve cell bodies that serve as relay stations for the sensory information.

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  • 31. 

    The Ventral root is:

    • Afferent

    • Efferent

    • Made of motor fibers

    • Made of ganglia

    Correct Answer(s)
    A. Efferent
    A. Made of motor fibers
    Explanation
    The ventral root is the part of the spinal nerve that contains efferent fibers, which are responsible for carrying motor signals from the central nervous system to the muscles and glands. It is made up of motor fibers, which transmit signals that control voluntary muscle movements.

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  • 32. 

    The Spinal Nerves dorsal Ramus is located on the:

    • Brain

    • Anterior and limb musculature

    • Back musculature

    Correct Answer
    A. Back musculature
    Explanation
    The correct answer is back musculature. The spinal nerves dorsal ramus is a branch of the spinal nerve that innervates the muscles and skin of the back. It is responsible for providing sensory and motor function to the muscles in the back region, allowing for movement and sensation in this area of the body.

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  • 33. 

    The Spinal Nerves ventral ramus is located on the:

    • Brain

    • Anterior and limb musculature

    • Back musculature

    Correct Answer
    A. Anterior and limb musculature
    Explanation
    The Spinal Nerves ventral ramus is located on the anterior and limb musculature. The ventral ramus is a branch of the spinal nerve that carries motor and sensory information to and from the anterior (front) and limb muscles. It supplies the muscles of the arms, legs, and the anterior trunk. This branch is responsible for controlling voluntary movements and transmitting sensory information from the muscles and skin of the anterior and limb regions of the body.

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  • 34. 

    The central canal specifically is the remnant of the neurolation tube.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The central canal is indeed the remnant of the neuralation tube. During embryonic development, the neural tube forms and eventually differentiates into the brain and spinal cord. The central canal is a small, fluid-filled channel that runs through the center of the spinal cord and is lined with ependymal cells. It is a remnant of the original neural tube and plays a role in the circulation of cerebrospinal fluid. Therefore, the statement "The central canal specifically is the remnant of the neuralation tube" is true.

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  • Mar 20, 2023
    Quiz Edited by
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  • Mar 02, 2011
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