𝟎𝟗. 𝐂𝐫𝐚𝐧𝐢𝐚𝐥 𝐧𝐞𝐫𝐯𝐞𝐬 (𝐏𝐚𝐫𝐭 𝐈) 1️⃣5️⃣7️⃣8️⃣ (𝐎𝐥𝐟𝐚𝐜𝐭𝐨𝐫𝐲, 𝐭𝐫𝐢𝐠𝐞𝐦𝐢𝐧𝐚𝐥, 𝐟𝐚𝐜𝐢𝐚𝐥, 𝐚𝐧𝐝 𝐯𝐞𝐬𝐭𝐢𝐛𝐮𝐥𝐨𝐜𝐨𝐜𝐡𝐥𝐞𝐚𝐫)

"𝗧𝗵𝗶𝘀 𝘃𝗶𝗱𝗲𝗼 𝗲𝘅𝗽𝗹𝗮𝗶𝗻𝘀 𝘁𝗵𝗲 𝗮𝗻𝗮𝘁𝗼𝗺𝘆 𝗼𝗳 𝘁𝗵𝗲 𝗼𝗹𝗳𝗮𝗰𝘁𝗼𝗿𝘆, 𝘁𝗿𝗶𝗴𝗲𝗺𝗶𝗻𝗮𝗹, 𝗳𝗮𝗰𝗶𝗮𝗹, 𝗮𝗻𝗱 𝘃𝗲𝘀𝘁𝗶𝗯𝘂𝗹𝗼𝗰𝗼𝗰𝗵𝗹𝗲𝗮𝗿 𝗻𝗲𝗿𝘃𝗲𝘀 𝘁𝗼𝗴𝗲𝘁𝗵𝗲𝗿 𝘄𝗶𝘁𝗵 𝘁𝗵𝗲𝗶𝗿 𝗿𝗲𝗹𝗮𝘁𝗲𝗱 𝗮𝗽𝗽𝗹𝗶𝗲𝗱 𝗮𝗻𝗮𝘁𝗼𝗺𝘆 (𝗶𝗻𝗰𝗹𝘂𝗱𝗶𝗻𝗴 𝗠𝗖𝗤𝘀, 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗮𝗹, 𝗮𝗻𝗱 𝗶𝗻𝘁𝗲𝗿𝗮𝗰𝘁𝗶𝘃𝗲 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀)." 𝐂𝐡𝐚𝐩𝐭𝐞𝐫𝐬 (𝐭𝐢𝐦𝐞𝐬𝐭𝐚𝐦𝐩𝐬)💡الفصول (الطوابع الزمنية) 00:00 - Intro (مقدمة) 00:21 - Content (المحتوى) 03:35 - Name of cranial nerves 07:07 - Type of each cranial nerve 👁👁 👁👁 👁👁 👁👁 👁👁 08:25 - Olfactory nerve 08:41 - Origin 11:28 - Course 12:56 - Function 13:31 - Applied anatomy 14:07 - Nerves for orbit 👁👁 14:45 - Trigeminal nerve 14:54 - Origin 18:01 - Facial nerve 18:06 - Origin of the facial nerve 20:14 - Course of the facial nerve 22:24 - Branches: intracranial branches: greater petrosal nerve 23:42 - Nerve to the stapedius muscle 24:05 - Chorda tympani 25:34 - Extra-cranial branches 26:43 - Function of the facial nerve 27:21 - Vestibulocochlear nerve 27:29 - Origin 28:24 - Course 29:09 - Vestibular nerve 35:12 - MSQs 37:17 - Practical questions 39:04 - Interactive questions 𝐌𝐂𝐐: 💪 👋 1. A patient with a meningioma affecting the olfactory bulb may present with which early symptom? A. Loss of visual acuity B. Inability to taste sweet flavors C. Loss of smell (anosmia) D. Tinnitus 2. Which cranial nerve is responsible for the taste receptors in the anterior two-thirds of the tongue? A. Gloss pharyngeal B. Facial C. Vagus D. Hypoglossal 3. The facial nerve supplies which muscle? A. Anterior belly digastric B. Posterior belly digastric C. Mylohyoid D. Omohyoid 4. What are the components of the anterior division of the mandibular nerve? A. One sensory and all motor branches B. One motor and all sensory branches C. All motor branches D. All sensory branches 5. Which nerve innervates the muscles of mastication? A. Trigeminal B. Abducent C. Vestibulocochlear D. Optic 6. Which of the following muscles is supplied by the 7th cranial nerve? A. Masseter B. Buccinator C. Medial Pterygoid D. Temporalis 7. Which part of the embryonic brain gives rise to the olfactory nerve? A. Mesencephalon B. Metencephalon C. Telencephalon D. Diencephalon 8. A 56-year-old male with a pontine infarct has impaired sensation over the anterior 2/3 of the face and weakness in mastication. The affected cranial nerve emerges from which region? A. Midbrain B. Medulla C. Pons D. Cerebellum 9. During testing of the corneal reflex, the afferent limb is mediated by which nerve? A. Facial B. Optic C. Trigeminal (ophthalmic) D. Trochlear 10. Which of the following findings would most likely be seen in a lower motor neuron lesion of the facial nerve? A. Forehead muscle sparing B. Contralateral lower facial weakness C. Ipsilateral paralysis of all muscles of facial expression D. Hyperacusis due to vagus nerve damage 11. Which nucleus is responsible for receiving taste sensation from the anterior 2/3 of the tongue via the facial nerve? A. Nucleus ambiguus B. Spinal nucleus of V C. Solitary nucleus D. Dorsal motor nucleus 12. A tumor at the cerebellopontine angle affects both CN VII and CN VIII. What symptoms would you expect? A. Diplopia and ptosis B. Facial asymmetry and vertigo C. Dysphagia and hoarseness D. Nystagmus and tongue deviation 13. Which of the following muscles is paralyzed if the motor root of the facial nerve is severed near the stylomastoid foramen? A. Levator palpebrae superioris B. Masseter C. Orbicularis oculi D. Buccinator (from CN V3) 😂💞 🤣 𝓦𝓪𝓲𝓽𝓲𝓷𝓰 𝓕𝓸𝓻 𝓨𝓸𝓾𝓻 𝓐𝓷𝓼𝔀𝓮𝓻 😂💞 🤣 𝐀𝐧𝐬𝐰𝐞𝐫𝐬 𝐭𝐨 𝐌𝐂𝐐𝐬: 👇😀 𝟭. 𝗖 𝟮. 𝗕 𝟯. 𝗕 𝟰. 𝗔 𝟱. 𝗔 𝟲. 𝗕 𝟳. 𝗖 𝟴. 𝗖 𝟵. 𝗖 𝟭𝟬. 𝗖 𝟭𝟭. 𝗖 𝟭𝟮. 𝗕 𝟭𝟯. 𝗖 𝐅𝐨𝐫 𝐜𝐨𝐧𝐭𝐚𝐜𝐭: 📢 📌𝐄𝐦𝐚𝐢𝐥: [email protected] 📌𝐅𝐚𝐜𝐞𝐛𝐨𝐨𝐤 𝐩𝐞𝐫𝐬𝐨𝐧𝐚𝐥 𝐚𝐜𝐜𝐨𝐮𝐧𝐭:   / drayman.khanfour   📌𝐅𝐚𝐜𝐞𝐛𝐨𝐨𝐤 𝐠𝐫𝐨𝐮𝐩:   / 314015989895733   📌𝐓𝐞𝐥𝐞𝐠𝐫𝐚𝐦 𝐜𝐡𝐚𝐧𝐧𝐞𝐥: https://t.me/+k-LcyYc-0WsyNDg0 📌𝐓𝐞𝐥𝐞𝐠𝐫𝐚𝐦 𝐠𝐫𝐨𝐮𝐩: https://t.me/+S-dZx8Sf-LBiOWE0 📌𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:   / dr_aymn   📌𝐘𝐨𝐮𝐓𝐮𝐛𝐞 𝐜𝐡𝐚𝐧𝐧𝐞𝐥 𝐰𝐞𝐛𝐬𝐢𝐭𝐞 𝐥𝐢𝐧𝐤:    / @dr.ayman_khanfour   📞𝐌𝐨𝐛𝐢𝐥𝐞 (𝐚𝐧𝐝 𝐖𝐡𝐚𝐭𝐬𝐀𝐩𝐩): +20 1223815866 𝐇𝐚𝐬𝐡𝐭𝐚𝐠: 🔍 #cranial_nerves #trigeminal_nerve #facial_nerve