Sensory System (Nervous System)

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Nervous System Quizzes & Trivia

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Questions and Answers
  • 1. 

    Which of the following cranial nerves is not directly related to the eye? 

    • A.

      II

    • B.

      III

    • C.

      VI

    • D.

      VII

    Correct Answer
    D. VII
    Explanation
    Cranial nerves II, III, VI, and VII are all related to the eye. Cranial nerve II, also known as the optic nerve, is responsible for transmitting visual information from the eye to the brain. Cranial nerve III, also known as the oculomotor nerve, controls the movement of the eye and the constriction of the pupil. Cranial nerve VI, also known as the abducens nerve, controls the movement of the lateral rectus muscle, which helps to move the eye laterally. Cranial nerve VII, also known as the facial nerve, is not directly related to the eye. It is responsible for controlling the muscles of facial expression and transmitting taste sensations from the anterior two-thirds of the tongue.

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  • 2. 

    Which of the following cranial nerves can cause movement of trapezius muscle?

    • A.

      IV

    • B.

      VII

    • C.

      X

    • D.

      XI

    Correct Answer
    D. XI
    Explanation
    Cranial nerve XI, also known as the accessory nerve, can cause movement of the trapezius muscle. This nerve innervates the trapezius muscle, which is responsible for movements of the shoulder and neck. Damage or dysfunction of cranial nerve XI can result in weakness or loss of movement in the trapezius muscle, leading to difficulty in performing certain shoulder and neck movements.

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  • 3. 

    Which of the following cranial nerves causes sensation to 1/3 of the tongue?

    • A.

      IV

    • B.

      VII

    • C.

      X

    • D.

      XI

    Correct Answer
    B. VII
    Explanation
    Cranial nerve VII, also known as the facial nerve, is responsible for providing sensation to 1/3 of the tongue. This nerve innervates the taste buds on the anterior two-thirds of the tongue, allowing us to perceive taste sensations from this region. The other cranial nerves listed (IV, X, XI) do not have a direct role in providing sensation to the tongue.

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  • 4. 

    Which of the following cranial nerves can be directly linked to respiratory and cardiac dysfunction?

    • A.

      IV

    • B.

      VII

    • C.

      X

    • D.

      XI

    Correct Answer
    B. VII
    Explanation
    Cranial nerve VII, also known as the facial nerve, can be directly linked to respiratory and cardiac dysfunction. This is because the facial nerve innervates the muscles responsible for facial expressions, including the muscles involved in breathing and swallowing. Dysfunction of this nerve can lead to difficulty in breathing and swallowing, which can in turn affect respiratory and cardiac function. Therefore, cranial nerve VII is the correct answer in this case.

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  • 5. 

    Which of the following cranial nerves can be directly linked to respiratory and cardiac dysfunction?

    • A.

      IV

    • B.

      VII

    • C.

      X

    • D.

      XI

    Correct Answer
    C. X
    Explanation
    Cranial nerve X, also known as the vagus nerve, can be directly linked to respiratory and cardiac dysfunction. It is responsible for controlling the muscles involved in respiration and regulating the heart rate. Dysfunction of the vagus nerve can lead to problems such as difficulty breathing, irregular heart rate, and even cardiac arrest. Therefore, cranial nerve X is the correct answer as it directly affects both respiratory and cardiac functions.

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  • 6. 

    Which of the following cranial nerves can be directly linked to ptosis?

    • A.

      III

    • B.

      IV

    • C.

      V

    • D.

      VI

    Correct Answer
    B. IV
    Explanation
    Cranial nerve IV, also known as the trochlear nerve, can be directly linked to ptosis. Ptosis refers to the drooping of the upper eyelid, and cranial nerve IV is responsible for innervating the superior oblique muscle, which helps to elevate the eyelid. Dysfunction or damage to this nerve can result in weakness or paralysis of the superior oblique muscle, leading to ptosis.

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  • 7. 

    Which of the following cranial nerves can be directly linked to diplopia?

    • A.

      II

    • B.

      IV

    • C.

      V

    • D.

      VI

    Correct Answer
    B. IV
    Explanation
    Cranial nerve IV, also known as the trochlear nerve, is responsible for the movement of the superior oblique muscle of the eye. When this nerve is affected or damaged, it can lead to a condition called trochlear nerve palsy, which can cause diplopia or double vision. Therefore, cranial nerve IV can be directly linked to diplopia.

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  • 8. 

    Which of the following is another name for cranial nerve IX?

    • A.

      Trochlear

    • B.

      Vestibulocochlear

    • C.

      Hypoglossal

    • D.

      Glosspharyngeal

    Correct Answer
    D. GlosspHaryngeal
    Explanation
    Cranial nerve IX is also known as Glosspharyngeal.

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  • 9. 

    Athetosis type movements are often identified with a _______ lesion.

    • A.

      Midbrain

    • B.

      Basal ganglia

    • C.

      Subthalamic

    • D.

      Thalamus

    Correct Answer
    B. Basal ganglia
    Explanation
    Athetosis type movements are often identified with a basal ganglia lesion. The basal ganglia is a group of structures located deep within the brain that are involved in the control of movement. Damage to the basal ganglia can result in abnormal involuntary movements, including athetosis. Therefore, when athetosis type movements are present, it is often indicative of a lesion or dysfunction in the basal ganglia.

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  • 10. 

    Changes in personality and judgment are often associated with a _____lesion.

    • A.

      Frontal lobe

    • B.

      Parietal lobe

    • C.

      Broca's area

    • D.

      Wernicke's area

    Correct Answer
    A. Frontal lobe
    Explanation
    Changes in personality and judgment are often associated with a frontal lobe lesion. The frontal lobe is responsible for executive functions such as decision-making, problem-solving, and regulating behavior. Damage to this area can result in alterations in personality, impulsivity, poor judgment, and difficulty with planning and organizing. Lesions in other areas, such as the parietal lobe, Broca's area, or Wernicke's area, may be associated with different cognitive or language impairments, but are not specifically linked to changes in personality and judgment.

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  • 11. 

    Changes in motor aphasia are often associated with a _______ lesion.

    • A.

      Frontal lobe

    • B.

      Parietal lobe

    • C.

      Broca's area

    • D.

      Wernicke's area

    Correct Answer
    C. Broca's area
    Explanation
    Motor aphasia is a type of aphasia characterized by difficulty in speaking or forming words. It is caused by damage to the language centers in the brain. Broca's area, located in the frontal lobe of the brain, is responsible for the production of speech. Therefore, changes in motor aphasia are often associated with a lesion in Broca's area.

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  • 12. 

    Changes in sensory aphasia are often associated with a _______ lesion.

    • A.

      Frontal lobe

    • B.

      Parietal lobe

    • C.

      Broca's area

    • D.

      Wernicke's area

    Correct Answer
    D. Wernicke's area
    Explanation
    Sensory aphasia refers to a language disorder characterized by difficulty in understanding and processing spoken or written language. Wernicke's area, located in the temporal lobe of the brain, is responsible for language comprehension. Therefore, changes in sensory aphasia are often associated with a lesion in Wernicke's area.

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  • 13. 

    Which of the following diseases has not been directly linked with Bell's palsy?

    • A.

      AIDS

    • B.

      Diabetes

    • C.

      Lyme disease

    • D.

      Alzheimer's disease

    Correct Answer
    D. Alzheimer's disease
    Explanation
    Bell's palsy is a condition characterized by sudden weakness or paralysis of the facial muscles. It is typically caused by inflammation or compression of the facial nerve. While AIDS, diabetes, and Lyme disease have all been associated with an increased risk of developing Bell's palsy, there is currently no direct link between Alzheimer's disease and Bell's palsy. Alzheimer's disease is a neurodegenerative disorder that primarily affects memory and cognitive function, and it does not commonly manifest with facial paralysis.

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  • 14. 

     Which of the following cervical nerve roots best corresponds with activation of the triceps muscle?

    • A.

      C5

    • B.

      C6

    • C.

      C7

    • D.

      T2

    Correct Answer
    C. C7
    Explanation
    The triceps muscle is primarily innervated by the radial nerve, which arises from the C7 nerve root. Therefore, activation of the triceps muscle corresponds best with the C7 nerve root.

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  • 15. 

    The upper and middle trucks of the brachial plexus combine to form the ____ cord. 

    • A.

      Lateral

    • B.

      Posterior

    • C.

      Medial

    • D.

      Anterior

    Correct Answer
    A. Lateral
    Explanation
    The upper and middle trucks of the brachial plexus combine to form the lateral cord.

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  • 16. 

    The upper, middle, and lower trucks of the brachial plexus combine to form the ____ cord. 

    • A.

      Lateral

    • B.

      Posterior

    • C.

      Medial

    • D.

      Anterior

    Correct Answer
    B. Posterior
    Explanation
    The upper, middle, and lower trunks of the brachial plexus combine to form the posterior cord.

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  • 17. 

    The lower truck of the brachial plexus forms the ____ cord. 

    • A.

      Lateral

    • B.

      Posterior

    • C.

      Medial

    • D.

      Anterior

    Correct Answer
    C. Medial
    Explanation
    The lower truck of the brachial plexus forms the medial cord.

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  • 18. 

    Jerky and sudden random movements are often associated with a _____lesion.

    • A.

      Midbrain

    • B.

      Basal gangli

    • C.

      Subthalamic

    • D.

      Thalamus

    Correct Answer
    B. Basal gangli
    Explanation
    Jerky and sudden random movements, also known as chorea, are commonly associated with lesions in the basal ganglia. The basal ganglia are a group of structures located deep within the brain that play a crucial role in movement control. Damage or dysfunction in the basal ganglia can disrupt the normal coordination of movements, leading to the manifestation of abnormal, involuntary movements such as chorea. Therefore, the correct answer is basal ganglia.

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  • 19. 

    Which of the following arteries supplies Broca's area?

    • A.

      ACA

    • B.

      MCA

    • C.

      PCA

    • D.

      Lateral striate

    Correct Answer
    B. MCA
    Explanation
    Broca's area is a region in the frontal lobe of the brain that is responsible for speech production. The middle cerebral artery (MCA) is one of the major arteries that supplies blood to the brain, including the frontal lobe where Broca's area is located. Therefore, the MCA is the artery that supplies Broca's area.

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  • 20. 

    Which of the following arteries if ruptured can cause an oculomotor palsy?

    • A.

      ACA

    • B.

      MCA

    • C.

      PCa

    • D.

      Lateral striate

    Correct Answer
    C. PCa
    Explanation
    If the posterior cerebral artery (PCa) is ruptured, it can cause an oculomotor palsy. The oculomotor nerve controls the movement of the eye and is responsible for pupil constriction. When the PCa is damaged, it can lead to dysfunction of the oculomotor nerve, resulting in symptoms such as drooping eyelid, double vision, and dilated pupil. Therefore, a ruptured PCa can cause an oculomotor palsy.

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  • 21. 

    Which of the following is not true concerning Brown-Sequard syndrome?

    • A.

      Contralateral spinothalamic deficits

    • B.

      Ipsilateral spinothalamic deficits

    • C.

      Ipsilateral dorsal column deficits

    • D.

      Ipsilateral pyramidal tract deficits

    Correct Answer
    B. Ipsilateral spinothalamic deficits
    Explanation
    Brown-Sequard syndrome is a neurological condition caused by damage to one side of the spinal cord. It is characterized by a combination of ipsilateral (on the same side) and contralateral (on the opposite side) deficits. The correct answer, "Ipsilateral spinothalamic deficits," is not true because Brown-Sequard syndrome actually presents with contralateral spinothalamic deficits, meaning that the loss of pain and temperature sensation occurs on the opposite side of the body from the lesion.

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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
  • May 18, 2012
    Quiz Created by
    RNpedia.com
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