Nervous SySTEM - Level 2

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| By Keb1980
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Keb1980
Community Contributor
Quizzes Created: 13 | Total Attempts: 25,137
Questions: 17 | Attempts: 385

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Nervous System Quizzes & Trivia

Questions and Answers
  • 1. 

    The nervous system is divided into two major divisions :

    • A.

      Central nervous system and peripheral nervous system

    • B.

      Central nervous system and autonomic nervous system

    • C.

      Brain and spinal cord

    • D.

      Peripheral nervous system & the brain

    Correct Answer
    A. Central nervous system and peripheral nervous system
    Explanation
    The correct answer is Central nervous system and peripheral nervous system. The nervous system is divided into two major divisions: 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 and ganglia outside of the CNS. This division allows for the coordination and communication between the brain and the rest of the body.

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  • 2. 

    The components of the central nervous system include:

    • A.

      Spinal cord & cranial nerves

    • B.

      Sympathetic & parasympathetic system

    • C.

      Brain & spinal cord

    • D.

      Cranial & spinal nerves

    Correct Answer
    C. Brain & spinal cord
    Explanation
    The central nervous system consists of the brain and the spinal cord. These two components work together to process and transmit information throughout the body. The brain is responsible for higher cognitive functions, such as thinking, memory, and emotions, while the spinal cord serves as a pathway for transmitting signals between the brain and the rest of the body. Together, the brain and spinal cord play a crucial role in coordinating and controlling bodily functions.

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  • 3. 

    The three basic parts of a neurone are :

    • A.

      Cell body, sensory and afferent nerves

    • B.

      Cell body, nucleus & axon

    • C.

      Cell body, axon and dendrites

    • D.

      Cell body, motor and efferent nerves

    Correct Answer
    C. Cell body, axon and dendrites
    Explanation
    The correct answer is "Cell body, axon and dendrites". A neuron consists of three main parts: the cell body, which contains the nucleus and other organelles necessary for the neuron's functioning; the axon, which carries electrical signals away from the cell body; and the dendrites, which receive signals from other neurons and transmit them to the cell body. These three parts work together to allow neurons to communicate and transmit information throughout the nervous system.

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  • 4. 

    A sensory nerve is responsible for sending messages :

    • A.

      From the brain and spinal cord

    • B.

      To and from the brain and spinal cord

    • C.

      To the brain and spinal cord

    Correct Answer
    C. To the brain and spinal cord
    Explanation
    A sensory nerve is responsible for sending messages to the brain and spinal cord. This is because sensory nerves are specialized to transmit information from sensory receptors in the body to the central nervous system, which includes the brain and spinal cord. These sensory messages include information about touch, temperature, pain, and other sensory experiences, allowing the brain and spinal cord to process and respond to these stimuli.

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  • 5. 

    The region of the brain concerned with the co-ordination of skeletal muscle is the :

    • A.

      Cerebellum

    • B.

      Pons

    • C.

      Midbrain

    • D.

      Cerebrum

    Correct Answer
    A. Cerebellum
    Explanation
    The cerebellum is responsible for coordinating the movements of skeletal muscles. It receives information from various parts of the brain and sensory systems, and then sends signals to the muscles to control their movements and maintain balance and posture. It plays a crucial role in motor control and coordination, ensuring smooth and precise movements. The pons and midbrain are also important regions of the brain, but they are not primarily involved in the coordination of skeletal muscle. The cerebrum is responsible for higher cognitive functions and does not directly control muscle coordination.

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  • 6. 

    The connective tissue membranes that envelop the central nervous system are:

    • A.

      Cerebrospinal membranes

    • B.

      Meninges

    • C.

      Myelin sheath

    • D.

      Cerebrum

    Correct Answer
    B. Meninges
    Explanation
    The correct answer is "Meninges." The meninges are the connective tissue membranes that envelop the central nervous system. They consist of three layers: the dura mater, arachnoid mater, and pia mater. These membranes provide protection and support to the brain and spinal cord. The cerebrospinal membranes, myelin sheath, and cerebrum are not correct answers in this context.

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  • 7. 

    This pathology is a specific form of headache, with symptoms such as nausea, vomiting and visual disturbances also occuring.

    • A.

      Epilepsy

    • B.

      Migraine

    • C.

      Sciatica

    • D.

      Bell's palsy

    Correct Answer
    B. Migraine
    Explanation
    Migraine is the correct answer because it is a specific form of headache that is characterized by symptoms such as nausea, vomiting, and visual disturbances. These symptoms are commonly associated with migraines and differentiate them from other types of headaches. Epilepsy, sciatica, and Bell's palsy do not typically present with these symptoms, making migraine the most likely explanation.

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  • 8. 

    This pathology causes lower back pain which can also affect the buttocks and the thigh.

    • A.

      Epilepsy

    • B.

      Migraine

    • C.

      Sciatica

    • D.

      Bell's palsy

    Correct Answer
    C. Sciatica
    Explanation
    Sciatica is a condition that occurs when the sciatic nerve, which runs from the lower back down through the buttocks and into the thigh, becomes irritated or compressed. This can result in lower back pain that radiates down the leg, often causing pain in the buttocks and thigh as well. Therefore, given the symptoms described, sciatica is the most likely explanation for the lower back pain that can also affect the buttocks and thigh.

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  • 9. 

    This pathology is a disorder of the 7th cranial nerve (facial nerve) and results in paralysis on one side of the face.

    • A.

      Epilepsy

    • B.

      Bell's palsy

    • C.

      Sciatica

    • D.

      Migraine

    Correct Answer
    B. Bell's palsy
    Explanation
    Bell's palsy is a disorder of the 7th cranial nerve, also known as the facial nerve. It is characterized by sudden, temporary paralysis or weakness on one side of the face. This condition can cause facial drooping, difficulty closing the eye or smiling, and loss of taste on the affected side. It is believed to be caused by inflammation or viral infection, although the exact cause is still unknown. Bell's palsy is not related to epilepsy, sciatica, or migraines.

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  • 10. 

    A neurological condition that results in recurrent seizures.

    • A.

      Migraine

    • B.

      Sciatica

    • C.

      Epilepsy

    • D.

      Bell's palsy

    Correct Answer
    C. Epilepsy
    Explanation
    Epilepsy is a neurological condition characterized by recurrent seizures. Seizures occur due to abnormal electrical activity in the brain. This condition can affect people of any age and can be caused by various factors such as genetics, brain injury, or infections. Seizures can manifest in different ways, including convulsions, loss of consciousness, or abnormal sensations. Proper diagnosis and treatment are essential to manage epilepsy and reduce the frequency and severity of seizures.

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  • 11. 

    Which part of the nervous system stimulates activity and provides energy ?

    • A.

      Sympathetic

    • B.

      Parasympathetic

    Correct Answer
    A. Sympathetic
    Explanation
    The sympathetic nervous system is responsible for stimulating activity and providing energy in the body. It activates the fight-or-flight response, increasing heart rate, dilating blood vessels, and releasing stress hormones such as adrenaline. This response prepares the body for physical activity and helps to mobilize energy reserves.

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  • 12. 

    What type of neurone is a motor neurone?

    • A.

      Afferent

    • B.

      Efferent

    • C.

      Interneurone

    • D.

      Associated

    Correct Answer
    B. Efferent
    Explanation
    A motor neuron is a type of efferent neuron. Efferent neurons are responsible for carrying signals from the central nervous system to the muscles and glands, allowing for voluntary movement and involuntary responses. Motor neurons specifically transmit signals from the brain and spinal cord to the muscles, enabling the control of muscle contractions and movements. Therefore, the correct answer is efferent.

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  • 13. 

    Which cranial nerve is a sensory nerve of smell?

    • A.

      Trigeminal

    • B.

      Olfactory

    • C.

      Facial

    Correct Answer
    B. Olfactory
    Explanation
    The cranial nerve that is responsible for the sense of smell is the Olfactory nerve. This nerve carries sensory information from the olfactory receptors in the nasal cavity to the brain, allowing us to detect and perceive different odors. The Trigeminal nerve is primarily responsible for facial sensation and motor functions, while the Facial nerve controls the muscles of facial expression and also carries some taste sensations. Therefore, the correct answer is Olfactory.

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  • 14. 

    Which cranial nerve is a mixed neurone and conducts impulse to and from the face and neck?

    • A.

      Trigeminal

    • B.

      Olfactory

    • C.

      Facial

    Correct Answer
    C. Facial
    Explanation
    The facial nerve is a mixed nerve that carries both sensory and motor fibers. It innervates the muscles of facial expression, controls taste sensation in the anterior two-thirds of the tongue, and also carries sensory information from the face and neck. Therefore, the facial nerve conducts impulses to and from the face and neck.

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  • 15. 

    Which cranial nerve controls the muscles of mastication and conducts impulses to and from several areas of the face and neck?

    • A.

      Trigeminal

    • B.

      Facial

    • C.

      Olfactory

    Correct Answer
    A. Trigeminal
    Explanation
    The trigeminal nerve controls the muscles of mastication, which are responsible for chewing and biting. It also conducts impulses to and from several areas of the face and neck, including sensation from the skin of the face, the mucous membranes of the nose and mouth, and the cornea of the eye. The facial nerve is responsible for controlling the muscles of facial expression, while the olfactory nerve is responsible for the sense of smell. Therefore, the correct answer is the trigeminal nerve.

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  • 16. 

    Which part of a neurone receive and transmit stimuli towards the cell body?

    • A.

      Dendrite

    • B.

      Axon

    • C.

      Myelin sheath

    Correct Answer
    A. Dendrite
    Explanation
    Dendrites are the part of a neuron that receive and transmit stimuli towards the cell body. They are branch-like structures that extend from the cell body and receive signals from other neurons or sensory receptors. These signals are then transmitted to the cell body, where they are integrated and processed before being passed on to the axon for further transmission. Dendrites play a crucial role in the communication and functioning of neurons within the nervous system.

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  • 17. 

    Which part of a neurone insulates and accelerates the conduction of the nerve impulse?

    • A.

      Dendrite

    • B.

      Axon

    • C.

      Myelin sheath

    Correct Answer
    C. Myelin sheath
    Explanation
    The myelin sheath is a fatty, insulating layer that surrounds the axon of a neuron. It acts as an electrical insulator, preventing the leakage of electrical signals and allowing for faster conduction of nerve impulses. The myelin sheath is formed by specialized cells called oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system. This insulation and acceleration of the nerve impulse is crucial for efficient communication between neurons and the proper functioning of the nervous system.

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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 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 06, 2011
    Quiz Created by
    Keb1980
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