Cranial Nerve Quiz

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| By Laurynashley
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Laurynashley
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Quizzes Created: 4 | Total Attempts: 2,717
Questions: 15 | Attempts: 2,327

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Cranial Nerve Quiz - Quiz

Quiz on cranial nerves


Questions and Answers
  • 1. 

    Which cranial nerve provides the sensation of smell?

    Explanation
    The correct answer is I - Olfactory, Olfactory. The olfactory nerve, also known as cranial nerve I, is responsible for providing the sensation of smell. It is located in the nasal cavity and carries information from the olfactory receptors to the brain, allowing us to detect and perceive different odors.

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  • 2. 

    Which cranial nerve is for vision?

    Explanation
    The cranial nerve responsible for vision is the optic nerve, also known as cranial nerve II. It transmits visual information from the retina to the brain, allowing us to perceive and interpret visual stimuli. The repetition of "optic" in the answer choice reinforces the fact that cranial nerve II is indeed the correct option for vision.

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  • 3. 

    Which cranial nerve is for eye movements, opening of eyelid, papillary constriction / accommodation, and focusing?

    Explanation
    The correct answer is III - Oculomotor. The oculomotor nerve is responsible for controlling the movements of the eye, including opening of the eyelid, papillary constriction (constriction of the pupil), accommodation (focusing of the lens), and other functions related to eye movement.

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  • 4. 

    Which cranial nerve moves the eye downward / depresses the eye?

    Explanation
    The trochlear nerve (cranial nerve IV) is responsible for the movement of the eye downward or depression of the eye. It is the smallest cranial nerve and innervates the superior oblique muscle, which is responsible for moving the eye downward and inward. Dysfunction of the trochlear nerve can result in difficulty in moving the eye downward or double vision when looking downward. Therefore, the correct answer is IV - Trochlear.

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  • 5. 

    Which cranial nerve if for touch, temperature, and pain sensations from upper face, as well as mastication?

    Explanation
    The Trigeminal nerve (Cranial Nerve V) is responsible for transmitting touch, temperature, and pain sensations from the upper face. It is also involved in mastication, or the process of chewing.

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  • 6. 

    Which cranial nerve is for lateral eye movements?

    Explanation
    The cranial nerve responsible for lateral eye movements is the VI cranial nerve, also known as the Abducens nerve. This nerve controls the movement of the lateral rectus muscle, which is responsible for moving the eye away from the midline of the body. Dysfunction of the Abducens nerve can result in difficulty moving the eye laterally, leading to a condition called lateral rectus palsy.

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  • 7. 

    Which cranial nerve is for taste (gustation), facial expression, secretion of tears, saliva, and oral and nasal mucus?

    Explanation
    Cranial nerve VII, also known as the Facial nerve, is responsible for taste (gustation), facial expression, secretion of tears, saliva, and oral and nasal mucus. It innervates the muscles of facial expression, controls the secretion of tears and saliva, and carries taste sensations from the anterior two-thirds of the tongue. Therefore, the correct answer is VII - Facial, Facial.

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  • 8. 

    Which cranial nerve is for equilibrium and hearing?

    Explanation
    The cranial nerve responsible for both equilibrium and hearing is the Vestibulocochlear nerve, also known as Cranial Nerve VIII. This nerve is responsible for transmitting sensory information from the inner ear to the brain, allowing us to maintain balance and perceive sound.

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  • 9. 

    Which cranial nerve is for taste, touch, pressure, and temperature sensations of the tongue, regulation of blood pressure and respiration, and of salivation, swallowing, and gagging?

    Explanation
    The cranial nerve responsible for taste, touch, pressure, and temperature sensations of the tongue, regulation of blood pressure and respiration, and of salivation, swallowing, and gagging is the Glossopharyngeal nerve (Cranial Nerve IX).

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  • 10. 

    Which cranial nerve is for taste, sensations of hunger and gastrointestinal discomfort, swallowing, speech, deceleration of heart, and bronchi constriction?

    Explanation
    The cranial nerve responsible for taste, sensations of hunger and gastrointestinal discomfort, swallowing, speech, deceleration of heart, and bronchi constriction is the Vagus nerve. This nerve, also known as cranial nerve X, has a wide range of functions related to the autonomic control of various organs and processes in the body. It plays a crucial role in regulating digestion, heart rate, and respiratory function, as well as in facilitating speech and swallowing.

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  • 11. 

    Which cranial nerve is for swallowing, and head, neck, and shoulder movements?

    Explanation
    The correct answer is XI - Accessory, Accessory. The cranial nerve XI, also known as the Accessory nerve, is responsible for controlling the muscles involved in swallowing, as well as the muscles of the head, neck, and shoulders. This nerve plays a crucial role in coordinating these movements and ensuring proper functioning of these areas.

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  • 12. 

    Which cranial nerve is for tongue movements of speech, manipulation, and swallowing?

    Explanation
    The hypoglossal nerve, also known as cranial nerve XII, is responsible for controlling the movements of the tongue. It plays a crucial role in speech, allowing for the precise articulation of sounds, as well as in manipulation, such as moving food around the mouth, and swallowing. Dysfunction of the hypoglossal nerve can lead to difficulties in these functions, resulting in speech and swallowing problems.

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  • 13. 

    Which cranial nerves are predominately sensory?

    • A.

      I - Olfactory

    • B.

      II - Optic

    • C.

      III - Oculomotor

    • D.

      IV - Trochlear

    • E.

      V - Trigeminal

    • F.

      VI - Abducens

    • G.

      VII - Facial

    • H.

      VIII - Vestibulocochlear

    • I.

      IX - Glossopharyngeal

    • J.

      X - Vagus

    • K.

      XI - Accessory

    • L.

      XII - Hypoglossal

    Correct Answer(s)
    A. I - Olfactory
    B. II - Optic
    H. VIII - Vestibulocochlear
    Explanation
    Cranial nerves I (Olfactory), II (Optic), and VIII (Vestibulocochlear) are predominately sensory because they are primarily responsible for transmitting sensory information from the head and neck to the brain. The olfactory nerve is responsible for the sense of smell, the optic nerve is responsible for vision, and the vestibulocochlear nerve is responsible for hearing and balance. The other cranial nerves listed have both sensory and motor functions.

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  • 14. 

    Which cranial nerves are predominately motor?

    • A.

      I - Olfactory

    • B.

      II - Optic

    • C.

      III - Oculomotor

    • D.

      IV - Trochlear

    • E.

      V - Trigeminal

    • F.

      VI - Abducens

    • G.

      VII - Facial

    • H.

      VIII - Vestibulocochlear

    • I.

      IX - Glossopharyngeal

    • J.

      X - Vagus

    • K.

      XI - Accessory

    • L.

      XII - Hypoglossal

    Correct Answer(s)
    C. III - Oculomotor
    D. IV - Trochlear
    F. VI - Abducens
    K. XI - Accessory
    L. XII - Hypoglossal
    Explanation
    The cranial nerves that are predominately motor are responsible for controlling the movement of various muscles in the body. The oculomotor nerve (III) controls the movement of the eye muscles, the trochlear nerve (IV) controls the superior oblique muscle of the eye, the abducens nerve (VI) controls the lateral rectus muscle of the eye, the accessory nerve (XI) controls the muscles of the neck and shoulders, and the hypoglossal nerve (XII) controls the muscles of the tongue. These nerves primarily function to initiate and control voluntary movements.

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  • 15. 

    Which cranial nerves are mixed?

    • A.

      I - Olfactory

    • B.

      II - Optic

    • C.

      III - Oculomotor

    • D.

      IV - Trochlear

    • E.

      V - Trigeminal

    • F.

      VI - Abducens

    • G.

      VII - Facial

    • H.

      VIII - Vestibulocochlear

    • I.

      IX - Glossopharyngeal

    • J.

      X - Vagus

    • K.

      XI - Accessory

    • L.

      XII - Hypoglossal

    Correct Answer(s)
    E. V - Trigeminal
    G. VII - Facial
    I. IX - Glossopharyngeal
    J. X - Vagus
    Explanation
    The cranial nerves that are considered mixed are the ones that contain both sensory and motor fibers. The trigeminal nerve (V), facial nerve (VII), glossopharyngeal nerve (IX), and vagus nerve (X) all have both sensory and motor functions. These nerves are responsible for various functions such as facial sensation, facial movement, taste, swallowing, and controlling the muscles of the throat and voice box.

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