Olsen Nervous System Quiz

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| By Craigolsen
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Craigolsen
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Quizzes Created: 2 | Total Attempts: 624
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  • 1/20 Questions
    Which one is the Frontal Lobe? - ProProfs

    Which one is the Frontal Lobe?

    • A
    • B
    • C
    • D
    • E
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About This Quiz

The Olsen Nervous System Quiz explores key aspects of human neurology, assessing knowledge on voluntary and involuntary actions, sensory neurons, and brain functions essential for life. It's designed for learners to understand complex neural mechanisms.

Olsen Nervous System Quiz - Quiz

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  • 2. 

    Why is your tongue more sensitive than your elbow?

    • Your tongue is more sensitive than your elbow because it's internal.

    • Your tongue is more sensitive than your elbow because it has a greater concentration of sensory nerurons

    • Your tongue is more sensitive than your elbow because it has more epithelial cells.

    • Your tongue is more sensitive than your elbow because it has more surface area.

    Correct Answer
    A. Your tongue is more sensitive than your elbow because it has a greater concentration of sensory nerurons
    Explanation
    The answer is that the tongue is more sensitive than the elbow because it has a greater concentration of sensory neurons. Sensory neurons are responsible for detecting and transmitting sensory information to the brain. The tongue has a higher density of these neurons compared to the elbow, allowing it to perceive and differentiate various tastes, textures, and temperatures more effectively. This increased concentration of sensory neurons in the tongue enhances its sensitivity compared to the elbow.

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  • 3. 

    Your body's entire nervous system is made up of _______________________.

    • The brain, heart, and spinal cord.

    • The brain, spinal cord, and neurons

    • The CNS only

    • The PNS only

    Correct Answer
    A. The brain, spinal cord, and neurons
    Explanation
    The correct answer is the brain, spinal cord, and neurons. The nervous system is composed of the brain, spinal cord, and neurons. The brain is responsible for processing and interpreting information, while the spinal cord serves as a pathway for transmitting signals between the brain and the rest of the body. Neurons are the fundamental building blocks of the nervous system, transmitting electrical signals and allowing for communication within the body.

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  • 4. 
    The role of the dendrite is: - ProProfs

    The role of the dendrite is:

    • To receive messages

    • To send messages

    Correct Answer
    A. To receive messages
    Explanation
    The dendrite is a part of a neuron that receives messages from other neurons or sensory receptors. It acts as a receiving antenna, collecting and transmitting signals to the cell body of the neuron. This allows the neuron to integrate and process incoming information, which is crucial for the communication and functioning of the nervous system.

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  • 5. 

    What does the autonomic nervous system control?

    • The autonomic nervous system controls voluntary actions, like moving.

    • The autonomic nervous system controls your conscious thoughts.

    • The autonomic nervous system controls involuntary actions, like your heartbeat.

    • The autonomic nervous system controls skeletal muscles.

    Correct Answer
    A. The autonomic nervous system controls involuntary actions, like your heartbeat.
    Explanation
    The autonomic nervous system controls involuntary actions, such as the heartbeat. This means that it regulates processes in the body that occur automatically and without conscious effort, such as breathing, digestion, and heart rate. Voluntary actions, like moving and conscious thoughts, are controlled by the somatic nervous system. The autonomic nervous system is responsible for maintaining homeostasis and ensuring that essential bodily functions are carried out without conscious control.

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  • 6. 
    The part of the neuron labelled "D" is" - ProProfs

    The part of the neuron labelled "D" is"

    • An axon

    • A dendrite

    • The myelin sheath

    • The cell body

    Correct Answer
    A. A dendrite
    Explanation
    The part of the neuron labelled "D" is a dendrite. Dendrites are branch-like structures that receive signals from other neurons and transmit them towards the cell body. They play a crucial role in the communication between neurons by receiving incoming signals and integrating them to determine whether the neuron should generate an electrical impulse.

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  • 7. 
    The roll of the axon is: - ProProfs

    The roll of the axon is:

    • To receive messages

    • To send messages

    Correct Answer
    A. To send messages
    Explanation
    The axon is a long, slender projection of a neuron that carries electrical impulses away from the cell body. It is responsible for transmitting these messages, or action potentials, to other neurons, muscles, or glands. Therefore, the correct answer is "to send messages."

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  • 8. 
    Which one is the Temporal Lobe? - ProProfs

    Which one is the Temporal Lobe?

    • A

    • B

    • C

    • D

    • E

    Correct Answer
    A. B
    Explanation
    The Temporal Lobe is located on the sides of the brain, above the ears. It is responsible for processing auditory information, including language comprehension, as well as memory and emotion. Based on the given options, option B is the correct answer as it is the only option that is positioned on the sides of the brain.

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  • 9. 
    Which one is the Occipital Lobe? - ProProfs

    Which one is the Occipital Lobe?

    • A

    • B

    • C

    • D

    • E

    Correct Answer
    A. D
    Explanation
    The Occipital Lobe is responsible for processing visual information. In the given options, D is the only option that represents the Occipital Lobe.

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  • 10. 

    Which part of the brain helps keep your balance so you don't fall flat on your face?

    • Cerebellum

    • Medulla Oblongata

    • Pituitary Gland

    • Spinal Cord

    Correct Answer
    A. Cerebellum
    Explanation
    The cerebellum is responsible for maintaining balance and coordination in the body. It receives information from sensory systems like the inner ear and the eyes, and uses this information to coordinate muscle movements and maintain balance. Without the cerebellum, our movements would be uncoordinated and we would have difficulty maintaining our balance, often resulting in falling. The medulla oblongata, pituitary gland, and spinal cord do not have a direct role in balance and coordination.

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  • 11. 

    What does the somatic nervous system control?

    • The somatic system controls involuntary actions, like your heartbeat.

    • The somatic system controls voluntary actions, like moving.

    • The somatic system controls your body's many soma.

    • The somatic system controls all of the involuntary and voluntary actions.

    Correct Answer
    A. The somatic system controls voluntary actions, like moving.
    Explanation
    The somatic nervous system is responsible for controlling voluntary actions, such as moving. This means that it regulates the skeletal muscles and allows us to consciously control our body movements. In contrast, involuntary actions like the heartbeat are controlled by the autonomic nervous system, specifically the cardiac muscles. Therefore, the correct answer is that the somatic system controls voluntary actions, like moving.

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  • 12. 
    Which one if the Parietal Lobe? - ProProfs

    Which one if the Parietal Lobe?

    • A

    • B

    • C

    • D

    • E

    Correct Answer
    A. E
  • 13. 
    The part of the neuron labelled "C" is: - ProProfs

    The part of the neuron labelled "C" is:

    • An axon

    • A dendrite

    • The myelin sheath

    • The cell body

    Correct Answer
    A. The cell body
    Explanation
    The part of the neuron labelled "C" is the cell body. The cell body, also known as the soma, contains the nucleus and other organelles necessary for the neuron's normal functioning. It integrates incoming signals from dendrites and generates outgoing signals through the axon. The cell body is responsible for maintaining the neuron's overall health and metabolic processes.

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  • 14. 

    A synapse is:

    • A special chemical that goes between neurons

    • The shorter part of the neuron, next to the cell body

    • The longer part of the neuron, extending out from the cell body

    • A gap between two neurons

    Correct Answer
    A. A gap between two neurons
    Explanation
    A synapse is a specialized junction or gap between two neurons where they can communicate with each other. It allows for the transmission of signals from one neuron to another through the release and reception of neurotransmitters. This communication is essential for the proper functioning of the nervous system and the coordination of various bodily processes.

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  • 15. 
    The part of the neuron labelled "B" is : - ProProfs

    The part of the neuron labelled "B" is :

    • An axon

    • A dendrtite

    • The myelin sheath

    • The cell body

    Correct Answer
    A. An axon
    Explanation
    The part of the neuron labelled "B" is an axon. The axon is a long, slender projection that carries electrical signals away from the cell body of the neuron. It is responsible for transmitting these signals, known as action potentials, to other neurons, muscles, or glands. The axon is covered by the myelin sheath, which helps to insulate and protect the axon, but the myelin sheath itself is not the part labelled "B". The dendrites receive signals from other neurons, while the cell body contains the nucleus and other organelles.

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  • 16. 
    Which one is the Cerebellum? - ProProfs

    Which one is the Cerebellum?

    • A

    • B

    • C

    • D

    • E

    Correct Answer
    A. C
    Explanation
    The correct answer is C because the cerebellum is a part of the brain that is responsible for coordinating voluntary movements, balance, and posture. It is located at the back of the brain, below the occipital lobes and behind the brainstem.

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  • 17. 

    Which part of the brain keeps you breathing?

    • The part of the brain that keeps you breathing is the cerebrum.

    • The part of the brain that keeps you breathing is the brain stem.

    • The part of the brain that keeps you breathing is the pituritary glands.

    • The part of the brain that keeps you breathing is the cerebellum..

    Correct Answer
    A. The part of the brain that keeps you breathing is the brain stem.
    Explanation
    The brain stem is responsible for regulating basic bodily functions, including breathing. It contains the medulla oblongata, which controls involuntary actions such as breathing, heart rate, and blood pressure. The cerebrum is responsible for higher cognitive functions, such as thinking and problem-solving, but it does not directly control breathing. The pituitary glands are responsible for hormone regulation and do not play a role in breathing. The cerebellum is involved in coordinating movement and balance, but it is not directly responsible for controlling breathing. Therefore, the correct answer is the brain stem.

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  • 18. 

    What is an action that occurs without your brains help?

    • An action that occurs without your brains help is breathing.

    • Actions that occur without your brains help are voluntary actions.

    • An action that occurs without your brains help is a stimulus.

    • An action that occur without your brains help is a reflex.

    Correct Answer
    A. An action that occur without your brains help is a reflex.
    Explanation
    A reflex is an action that occurs without conscious thought or control from the brain. It is an automatic response to a stimulus that is processed in the spinal cord or lower brain centers. Breathing, on the other hand, is a vital function that is controlled by the brainstem and requires input from the brain. Therefore, the correct answer is that a reflex is an action that occurs without the brain's help.

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  • 19. 

    Your "emotional" thoughts are believed to originate in the ___________________.

    • Cerebellum

    • Medulla oblongata

    • Amygdala

    • Heart

    Correct Answer
    A. Amygdala
    Explanation
    The amygdala is responsible for processing emotions, including fear and aggression. It plays a crucial role in the formation of emotional memories and the regulation of emotional responses. As part of the limbic system, it receives sensory information from various parts of the brain and helps to interpret and assign emotional significance to it. Therefore, the amygdala is believed to be the origin of our "emotional" thoughts. The cerebellum is primarily involved in motor coordination, the medulla oblongata controls vital functions such as breathing and heart rate, and while the heart is connected to emotions metaphorically, it is not the actual origin of emotional thoughts.

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  • 20. 

    Neurotransmitters are:

    • The outer covering of the dendrite

    • Chemicals that diffuse between nerve cells

    • Another name for a synapse

    • The electrical signal inside a neuron

    Correct Answer
    A. Chemicals that diffuse between nerve cells
    Explanation
    Neurotransmitters are chemicals that diffuse between nerve cells. They are responsible for transmitting signals across synapses, the junctions between neurons. These chemicals are released from the presynaptic neuron and bind to receptors on the postsynaptic neuron, allowing for the transmission of electrical impulses and communication between nerve cells. Neurotransmitters play a crucial role in various physiological processes, including mood regulation, learning, memory, and muscle movement.

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  • Current Version
  • Oct 14, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 18, 2014
    Quiz Created by
    Craigolsen
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