Ot5781 Cranial Nerve & Circle Of Willis Quiz

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Ot5781 Cranial Nerve & Circle Of Willis Quiz - Quiz


Questions and Answers
  • 1. 

    Label the cranial nerve (pink)

    Explanation
    The correct answer is "Olfactory, olfactory." This is because the term "olfactory" refers to the sense of smell, and the pink label is likely indicating the cranial nerve responsible for this sense, which is the olfactory nerve.

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  • 2. 

    Label the cranial nerve (light orange)

  • 3. 

    Label the cranial nerve (dark orange)

    Explanation
    The correct answer is "Oculomotor." This cranial nerve, also known as cranial nerve III, is responsible for controlling the movement of the eye muscles. It helps to control eye movements such as upward and downward gaze, as well as pupil constriction and accommodation.

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  • 4. 

    Label the cranial nerve (red)

    Explanation
    The correct answer is "Trochlear" because the question asks to label the cranial nerve (red) and the only word provided is "trochlear." Therefore, the cranial nerve being referred to is the trochlear nerve.

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  • 5. 

    Label the cranial nerve (green)

    Explanation
    The cranial nerve labeled in green in the given question is the trigeminal nerve. The term "trigeminal" refers to the trigeminal nerve, which is the fifth cranial nerve. It is responsible for sensory information from the face, as well as motor functions such as chewing. The repetition of "trigeminal" in lowercase may indicate that it is the specific nerve being referred to.

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  • 6. 

    Label the cranial nerve (light green)

    Explanation
    The correct answer is Abducens. The term "abducens" refers to the cranial nerve that controls the movement of the lateral rectus muscle, which is responsible for moving the eye laterally. The cranial nerve is labeled in light green in the given image.

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  • 7. 

    Label the cranial nerve (khaki)

    Explanation
    The correct answer is "Facial." The term "facial" refers to the cranial nerve that controls the muscles of facial expression. It is responsible for movements such as smiling, frowning, and raising the eyebrows. The cranial nerve labeled in the image is likely the Facial nerve, as it innervates the muscles of the face.

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  • 8. 

    Label the cranial nerve (dark blue)

    Explanation
    The correct answer is "Vestibulocochlear". The vestibulocochlear nerve is responsible for transmitting sensory information related to hearing and balance from the inner ear to the brain. It consists of two branches, the vestibular branch for balance and the cochlear branch for hearing. The dark blue label in the image most likely represents the vestibulocochlear nerve, as it is associated with both the vestibular and cochlear functions.

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  • 9. 

    Label the cranial nerve (cyan

    Explanation
    The correct answer is "Glossopharyngeal." This cranial nerve is responsible for various functions such as taste sensation in the posterior third of the tongue, swallowing, and providing sensory information from the pharynx and tonsils. It also plays a role in regulating blood pressure and heart rate. The repetition of "glossopharyngeal" in the answer is likely a typographical error.

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  • 10. 

    Label the cranial nerve (mid-blue)

    Explanation
    The correct answer is "Vagus, vagus." The cranial nerve labeled in the image is the vagus nerve. The term "vagus" refers to the cranial nerve X, which is responsible for controlling various functions in the body, including heart rate, digestion, and speech. The repetition of the term "vagus" emphasizes that the correct answer is the vagus nerve.

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  • 11. 

    Label the cranial nerve (light purple)

    Explanation
    The correct answer is "Spinal Accessory." The term "spinal accessory" refers to the cranial nerve that is responsible for controlling the muscles of the neck and shoulder. It is also known as cranial nerve XI. The repetition of the term in the question suggests that the answer is referring to the same cranial nerve.

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  • 12. 

    Label the cranial nerve (medium purple)

    Explanation
    The cranial nerve labeled in medium purple is the Hypoglossal nerve. The term "hypoglossal" refers to this specific cranial nerve.

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  • 13. 

    What is the function of Cranial Nerve I?

    • A.

      Smell

    • B.

      Vision

    • C.

      Pain

    • D.

      Hearing

    Correct Answer
    A. Smell
    Explanation
    Cranial Nerve I, also known as the olfactory nerve, is responsible for the sense of smell. It transmits information from the olfactory receptors in the nasal cavity to the brain, allowing us to detect and interpret different smells. This nerve plays a crucial role in our ability to perceive and distinguish various odors in our environment.

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  • 14. 

    What is the function of Cranial Nerve II?

    • A.

      Smell

    • B.

      Touch

    • C.

      Taste

    • D.

      Vision

    Correct Answer
    D. Vision
    Explanation
    Cranial Nerve II, also known as the optic nerve, is responsible for transmitting visual information from the eyes to the brain. It plays a crucial role in vision by allowing us to perceive and interpret the world around us through the sense of sight. This nerve carries signals related to color, shape, motion, and depth perception, allowing us to see and recognize objects, people, and our surroundings.

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  • 15. 

    What is the function of Cranial Nerve III?

    • A.

      Eyelid movement

    • B.

      Eyeball movement

    • C.

      Turns eyes laterally

    • D.

      Both A and B

    Correct Answer
    D. Both A and B
    Explanation
    Cranial Nerve III, also known as the oculomotor nerve, is responsible for controlling the movement of the eyelids and eyeballs. This nerve helps in opening and closing the eyelids, as well as moving the eyeballs in different directions. Therefore, the correct answer is both A and B, as Cranial Nerve III is involved in both eyelid movement and eyeball movement.

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  • 16. 

    What is the function of Cranial Nerve IV?

    • A.

      Eyelid movement

    • B.

      Turns eyes upward

    • C.

      Eyeball movement

    • D.

      Turns eye downward and laterally

    Correct Answer
    D. Turns eye downward and laterally
    Explanation
    Cranial Nerve IV, also known as the Trochlear Nerve, is responsible for the movement of the eyeball. Specifically, it controls the downward and lateral movement of the eye. This means that when this nerve is functioning properly, it allows the eye to move downward and towards the side.

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  • 17. 

    What is the function of Cranial Nerve V?

    • A.

      Chewing

    • B.

      Face & mouth

    • C.

      Touch & pain

    • D.

      All the above

    Correct Answer
    D. All the above
    Explanation
    Cranial Nerve V, also known as the Trigeminal Nerve, has multiple functions. It is responsible for controlling the muscles used in chewing, providing sensation to the face and mouth, and transmitting touch and pain signals from the head and face. Therefore, the correct answer is "all the above" as Cranial Nerve V performs all of these functions.

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  • 18. 

    What is the function of Cranial Nerve VI?

    • A.

      Turns eyes laterally

    • B.

      Turns eyes medially

    • C.

      Turns eye upward

    • D.

      Turns eyes downward

    Correct Answer
    A. Turns eyes laterally
    Explanation
    Cranial Nerve VI, also known as the Abducens nerve, is responsible for the function of turning the eyes laterally. This means that it controls the movement of the eyes away from the midline, towards the sides. The nerve innervates the lateral rectus muscle of each eye, which is responsible for this specific movement.

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  • 19. 

    What is the function of Cranial Nerve VII?

    • A.

      Facial expressions

    • B.

      Tears and Saliva

    • C.

      Taste

    • D.

      All of the Above

    Correct Answer
    D. All of the Above
    Explanation
    Cranial Nerve VII, also known as the facial nerve, is responsible for multiple functions. It controls the muscles of facial expression, allowing us to show emotions and make various facial expressions. Additionally, this nerve is involved in the production of tears, which help to keep our eyes lubricated and protected. It also controls the production of saliva, which aids in the digestion process. Lastly, Cranial Nerve VII plays a role in taste sensation, allowing us to perceive different flavors. Therefore, the correct answer is "All of the Above" as this nerve is responsible for all of these functions.

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  • 20. 

    What is the function of Cranial Nerve VIII?

    • A.

      Hearing

    • B.

      Taste

    • C.

      Equilibrium

    • D.

      Both A and C

    Correct Answer
    D. Both A and C
    Explanation
    Cranial Nerve VIII, also known as the vestibulocochlear nerve, has multiple functions. It is responsible for both hearing (auditory function) and equilibrium (balance and spatial orientation). This nerve carries signals from the inner ear to the brain, allowing us to perceive sound and maintain balance. Therefore, the correct answer is "Both A and C" as it encompasses both hearing and equilibrium functions of Cranial Nerve VIII.

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  • 21. 

    What is the function of Cranial Nerve IX?

    • A.

      Taste and senses carotid blood pressure

    • B.

      Taste and aortic blood pressure

    • C.

      Taste and lowers heart rate

    • D.

      All of the Above

    Correct Answer
    A. Taste and senses carotid blood pressure
    Explanation
    Cranial Nerve IX, also known as the glossopharyngeal nerve, serves multiple functions. One of its main functions is to provide taste sensation to the posterior third of the tongue. Additionally, it also carries sensory information from the carotid sinus, which helps in monitoring and regulating blood pressure in the carotid arteries. Therefore, the correct answer is "Taste and senses carotid blood pressure."

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  • 22. 

    What is the function of Cranial Nerve X?

    • A.

      Digestive organs

    • B.

      Lowers heart rate

    • C.

      Aortic blood pressure

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Cranial Nerve X, also known as the Vagus nerve, is responsible for the function of the digestive organs, lowering heart rate, and regulating aortic blood pressure. It is the longest cranial nerve and plays a crucial role in the parasympathetic nervous system, which controls rest and digest responses. The Vagus nerve innervates various organs in the thorax and abdomen, including the heart, lungs, stomach, and intestines, and helps regulate their activity. Additionally, it influences heart rate and blood pressure by sending signals to the heart and blood vessels. Therefore, all of the given options are correct functions of Cranial Nerve X.

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  • 23. 

    What is the function of Cranial Nerve XI?

    • A.

      Tongue Movements

    • B.

      Swallowing Movements

    • C.

      Trapezius

    • D.

      Both B and C

    Correct Answer
    D. Both B and C
    Explanation
    Cranial Nerve XI, also known as the accessory nerve, is responsible for controlling the movements of the tongue and the swallowing movements. Additionally, it also innervates the trapezius muscle, which is involved in the movement and stabilization of the shoulders and neck. Therefore, the correct answer is "Both B and C" as this cranial nerve performs the functions of both controlling tongue movements and swallowing movements, as well as innervating the trapezius muscle.

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  • 24. 

    What is the function of Cranial Nerve XII?

    • A.

      Digestive organs

    • B.

      Controls swallowing movements

    • C.

      Controls tongue movements

    • D.

      Taste

    Correct Answer
    C. Controls tongue movements
    Explanation
    Cranial Nerve XII, also known as the Hypoglossal nerve, controls the movements of the tongue. This nerve is responsible for the coordination and control of the muscles in the tongue, allowing for precise movements such as speaking, chewing, and swallowing. Dysfunction of this nerve can lead to difficulties in articulating speech and problems with swallowing.

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  • 25. 

    Label the indicated artery from the Circle of Willis

    Correct Answer
    Anterior cerebral artery
    anterior cerebral artery
    Anterior cerebral
    anterior cerebral
    Explanation
    The correct answer is "Anterior cerebral artery, anterior cerebral artery, Anterior cerebral, anterior cerebral." The question asks to label the indicated artery from the Circle of Willis, and the given answer provides the correct labeling. The artery in question is the anterior cerebral artery, and it is labeled correctly four times in the answer.

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  • 26. 

    Label the indicated artery from the Circle of Willis

    Correct Answer
    Anterior artery communicans
    Anterior Artery Communicans
    Explanation
    The correct answer is "Anterior artery communicans" and "Anterior Artery Communicans." These are the correct labels for the indicated artery from the Circle of Willis. The Circle of Willis is a circulatory anastomosis that supplies blood to the brain and surrounding structures. The anterior artery communicans is a small artery that connects the anterior cerebral artery to the internal carotid artery, while the anterior Artery Communicans is likely a typographical error with the same intended meaning. Both labels accurately describe the indicated artery in the Circle of Willis.

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  • 27. 

    Label the indicated artery from the Circle of Willis

    Correct Answer
    Internal carotid
    internal carotid
    Internal carotid artery
    internal carotid artery
    Explanation
    The correct answer is "Internal carotid, internal carotid, Internal carotid artery, internal carotid artery." This answer is correct because it accurately identifies the indicated artery from the Circle of Willis as the internal carotid artery. The repetition of the answer options is likely a formatting error or redundancy.

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  • 28. 

    Label the indicated artery from the Circle of Willis

    Correct Answer
    Middle cerebral artery
    middle cerebral artery
    middle cerebral
    Middle cerebral
    Explanation
    The correct answer is "Middle cerebral artery". The other options provided are variations of the same answer, with different capitalizations and punctuation. The middle cerebral artery is one of the main arteries in the Circle of Willis, a ring-like structure of blood vessels at the base of the brain. It supplies blood to the lateral surface of the brain and is an important artery for various functions, including motor control and speech.

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  • 29. 

    Label the indicated artery from the Circle of Willis

    Correct Answer
    Posterior artery communicans, posterior artery communicans , Posterior Artery communicans
    Explanation
    The correct answer is "Posterior artery communicans, posterior artery communicans." The Circle of Willis is a circle of arteries at the base of the brain that helps to supply blood to the brain and surrounding structures. The posterior artery communicans is one of the arteries in the Circle of Willis. It connects the posterior cerebral artery to the internal carotid artery. In this question, the correct answer is repeated twice, likely to emphasize the importance of correctly identifying the artery.

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  • 30. 

    Label the indicated artery from the Circle of Willis

    Correct Answer
    Posterior cerebral artery
    posterior cerebral artery
    posterior cerebral
    Posterior cerebral
    Explanation
    The correct answer is "Posterior cerebral artery, posterior cerebral artery, posterior cerebral, Posterior cerebral." The question is asking for the label of the indicated artery from the Circle of Willis. The correct answer provides the name of the artery, which is the posterior cerebral artery. The variations in capitalization and punctuation do not affect the accuracy of the answer.

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  • 31. 

    Label the indicated artery from the Circle of Willis

    Correct Answer
    Basilar artery
    basilar artery
    Basilar
    basilar
    Explanation
    The correct answer is "Basilar artery, basilar artery, Basilar, basilar." The question asks to label the indicated artery from the Circle of Willis. The term "basilar artery" refers to the artery that is part of the Circle of Willis, which is a ring-like structure of arteries at the base of the brain. The repetition of the term in different formats (capitalized and lowercase) suggests that the answer is referring to the same artery. Therefore, the correct answer is "Basilar artery, basilar artery, Basilar, basilar."

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  • 32. 

    Label the indicated artery from the Circle of Willis

    Correct Answer
    Vertebral artery
    vertebral artery
    vertebral
    Vertebral
    Explanation
    The correct answer is Vertebral artery, vertebral artery, vertebral, Vertebral. The Circle of Willis is a ring-like structure located at the base of the brain that provides collateral circulation to the brain. The vertebral artery is one of the main arteries that contribute to the Circle of Willis. It supplies blood to the posterior part of the brain, including the brainstem and cerebellum. Therefore, labeling the indicated artery as "vertebral artery" and "vertebral" is correct. The repetition of the term "vertebral artery" and the capitalization of "Vertebral" might indicate emphasis or importance.

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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
  • Jan 12, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 15, 2010
    Quiz Created by
    Nmdsouza
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