Cranial Nerves Quiz
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Questions and Answers

Which cranial nerve provides motor innervation to the lateral rectus muscle?

  • CN VI - Abducens Nerve (correct)
  • CN V - Trigeminal Nerve
  • CN IV - Trochlear Nerve
  • CN VII - Facial Nerve

    • Trigeminal neuralgia is more common in men than women.

    False

    What is the primary function of the trochlear nerve?

    Motor to the superior oblique muscle

    The third division of the Trigeminal Nerve exits through the ______.

    <p>Foramen Ovale</p> Signup and view all the answers

    Match the cranial nerves to their primary functions:

    <p>CN IV = Motor to the superior oblique CN V = Sensation to face and muscles of mastication CN VI = Motor to the lateral rectus CN VII = Taste, somatic motor, and parasympathetic functions</p> Signup and view all the answers

    Which cranial nerve is responsible for sensation to the anterior 2/3rd of the tongue?

    <p>CN V - Trigeminal Nerve</p> Signup and view all the answers

    Injury to CN VI can cause lateral strabismus of the eye.

    <p>False</p> Signup and view all the answers

    What is a common trigger for trigeminal neuralgia?

    <p>Chewing</p> Signup and view all the answers

    Which cranial nerve is responsible for taste sensation from the anterior 2/3 of the tongue?

    <p>Facial Nerve (CN VII)</p> Signup and view all the answers

    The glossopharyngeal nerve (CN IX) innervates the parotid gland.

    <p>True</p> Signup and view all the answers

    Which cranial nerve exits the cranium via the hypoglossal canal?

    <p>Hypoglossal Nerve (CN XII)</p> Signup and view all the answers

    The _____ nerve is responsible for hearing and balance.

    <p>Vestibulocochlear</p> Signup and view all the answers

    Match the cranial nerves with their primary functions:

    <p>CN VII = Taste from anterior 2/3 of the tongue CN IX = Taste from posterior 1/3 of the tongue CN X = Motor function to soft palate and pharynx CN XI = Motor to sternocleidomastoid and trapezius</p> Signup and view all the answers

    What is a common effect of injury to the accessory nerve (CN XI)?

    <p>Weakness in shoulder shrugging</p> Signup and view all the answers

    The vagus nerve (CN X) does not provide autonomic innervation to the thorax and abdomen.

    <p>False</p> Signup and view all the answers

    Which cranial nerve innervates the muscles of facial expression?

    <p>Facial Nerve (CN VII)</p> Signup and view all the answers

    Which cranial nerve exits through the stylomastoid foramen?

    <p>CN VII (Facial n.)</p> Signup and view all the answers

    The foramen magnum is where the jugular vein passes through.

    <p>False</p> Signup and view all the answers

    What is the function of the mandibular foramen?

    <p>It allows the passage of the inferior alveolar nerve, artery, and vein.</p> Signup and view all the answers

    The _______________ is located at the angle of the mandible.

    <p>mandibular notch</p> Signup and view all the answers

    Match the following foramina with their contents:

    <p>Foramen spinosum = Middle meningeal artery Incisive foramen = Nasopalatine nerves Stylomastoid foramen = Facial nerve (CN VII) Jugular foramen = Internal jugular vein</p> Signup and view all the answers

    Which of the following structures can be found at the occipital condyle?

    <p>Articulates with the atlas</p> Signup and view all the answers

    The greater palatine foramen is associated with the lesser palatine nerve.

    <p>False</p> Signup and view all the answers

    The ___________ process is located on the superior aspect of the mandible.

    <p>coronoid</p> Signup and view all the answers

    Which artery originates from the subclavian artery?

    <p>Vertebral artery</p> Signup and view all the answers

    The Circle of Willis connects the internal carotid arterial system and the vertebral-basilar arterial system.

    <p>True</p> Signup and view all the answers

    What is the primary function of the dural venous sinuses?

    <p>Venous drainage of the brain and surrounding structures.</p> Signup and view all the answers

    The __________ artery is commonly associated with aneurysms in the brain.

    <p>Circle of Willis</p> Signup and view all the answers

    Match the following arteries with their primary function:

    <p>Vertebral artery = Forms basilar artery Basilar artery = Supplies posterior circulation to the brain Anterior cerebral artery = Supplies medial portions of the frontal lobes Posterior inferior cerebellar artery (PICA) = Supplies the cerebellum</p> Signup and view all the answers

    What is the function of arachnoid granulations?

    <p>To absorb cerebrospinal fluid (CSF)</p> Signup and view all the answers

    The subdural space is considered a true space containing cerebrospinal fluid.

    <p>False</p> Signup and view all the answers

    What shape does a subdural hematoma typically have?

    <p>Crescent shape</p> Signup and view all the answers

    The _____ divides the two hemispheres of the cerebrum.

    <p>falx cerebri</p> Signup and view all the answers

    Which layer of the meninges is tightly adhered to the skull?

    <p>Dura mater</p> Signup and view all the answers

    Subarachnoid hemorrhage is often due to trauma and may be associated with ruptured aneurysms.

    <p>True</p> Signup and view all the answers

    The _____ contains cerebrospinal fluid and cerebral arteries.

    <p>subarachnoid space</p> Signup and view all the answers

    Which cranial nerve is involved with the anterior cranial fossa innervation?

    <p>CN V1</p> Signup and view all the answers

    Match the following arteries with their respective branches:

    <p>Internal carotid artery = Anterior cerebral artery, Middle cerebral artery, Ophthalmic artery Common carotid artery = External carotid artery Posterior communicating artery = Branch of internal carotid artery</p> Signup and view all the answers

    What typically causes an epidural hematoma?

    <p>Arterial bleed due to trauma</p> Signup and view all the answers

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