191. Preganglionic parasympathetic fibres travel to otic ganglion from_____________? A. Facial nerve B. Glossopharyngeal nerve C. Trigeminal nerve D. None of the above ✅ The correct answer is option B. Glossopharyngeal nerve.
192. The maxillary sinus drains into_______________? A. Middle plexus B. Inferior meatus C. Superior meatus D. Spheno ethmoidal recess ✅ The correct answer is option B. Inferior meatus.
193. Nerve supply of the mucosa of larynx is__________________? A. External laryngeal and recurrent laryngeal B. Internal laryngeal and recurrent laryngeal C. External laryngeal D. Superior laryngeal ✅ The correct answer is option B. Internal laryngeal and recurrent laryngeal.
194. Which structure passes through infra orbital fissure______________? A. Superior ophthalmic vein B. Opthalmic artery C. Trochlear nerve D. Zygomatic nerve ✅ The correct answer is option D. Zygomatic nerve.
195. Which nerve is in close relation with the root of the lower 3rd molar ___________? A. Inferior alveolar nerve B. Chorda tympani C. Lingual nerve D. Mylohyoid nerve ✅ The correct answer is option C. Lingual nerve.
196. Afferent sensation from the lower molar teeth is carried by____________? A. Facial nerve B. Mandibular division of the trigeminal nerve C. Maxillary division of the trigeminal nerve D. Opthalmic branch of the trigeminal ✅ The correct answer is option B. Mandibular division of the trigeminal nerve.
197. Correct about right and left main bronchi is_______________? A. Right bronchus is more vertical and broader than the left B. Right bronchus is more vertical and has a narrow caliber than the left C. Left bronchus is more vertical and broader than right D. Left bronchus is more vertical and narrower than right ✅ The correct answer is option A. Right bronchus is more vertical and broader than the left.
198. Mandibular fossa is a part of_____________? A. Mandible bone B. Maxilla bone C. Sphenoid bone D. Temporal bone ✅ The correct answer is option D. Temporal bone.
199. The main arterial trunk supplying the infra temporal fossa is_______________? A. Infratemporal artery B. Deep temporal artery C. Maxillary artery D. Posterior superior alveolar artery ✅ The correct answer is option C. Maxillary artery.
200. When the jaw is opened________________? A. Condyles move upwards B. Articular disc moves posteriorly C. Lateral pterygoids contract D. Condyles moves around vertical axis ✅ The correct answer is option C. Lateral pterygoids contract.