Ears, Nose, Paranasal Sinuses, Eyes and Orbital Structures, Thorax and Breast

SUMMATIVE QUIZ # 5 TOPICS: Head & Neck II & III; Ears, Nose, & PNS; Eyes & Orbital Structures; Thorax & Breast QUESTION 1. The ceruminous glands are found in the ______ of the external auditory canal CHOICES 2. The vibrissae lie within the ______ 2027 Osseous portion ● Formed by the tympanic plate of the temporal bone ● Narrower, directed inward and forward ● Ceruminous glands are ABSENT B A. Nasal cavity proper B. Vestibule 3. The sphenoethmoidal recess is lined by ______ epithelium. ANSWER & RATIONALE A. Inner ⅔ B. Outer ⅓ B A. Olfactory 2027 Nasal Vestibule ● Most anterior part of the nasal cavity proper ● Covered by skin ● Contains ○ Sweat glands ○ Sebaceous glands ○ vibrissae 2027 Parts of nasal cavity lined by olfactory epithelium (Pseudostratified Ciliated Columnar Epithelium WITHOUT Goblet cells): ● superior ⅓ of nasal cavity B. Respiratory Specifically: ● Roof ● Upper part of the septum ● Upper surface of the superior concha ● Sphenoethmoidal recess 2027 Parts of the nasal cavity lined by respiratory epithelium (Pseudostratified Ciliated Columnar Epithelium WITH Goblet cells) ● inferior ⅔ of the nasal cavity ● EXCEPT vestibule (lined by skin) A. Saccule B. Utricle 5. The frontal sinus drains into the ________ meatus. 2027 Cartilaginous portion ● Auditory process ● Supported by elastic cartilage ● Covered with thin skin with hair, sebaceous and ceruminous glands 2027 Nasal Cavity Proper ● Posterior to the vestibule ● Lined by mucosa ● Contains ○ choanae A 4. The semicircular ducts open into the _______. ANATOMY B A. Middle A B. Superior The semicircular ducts open into the larger utricle, and not the saccule. The frontal sinus drains into the middle meatus, together with the maxillary sinus. 6. The _______ is a component of the fibrous tunic. A. Ciliary Body B. Sclera 7. The superior oblique is innervated by the ______ nerve A. Oculomotor 8. The _____ wing of the sphenoid forms part of the lateral wall of the orbit A. Greater 9. All recti muscles originate from the ______ A. Annulus of Zinn B. Trochlear B. Lesser B. Zonular fibers 10. The _ of the orbit surrounds the orbital rim B B A A. Apex B Origin of 4 recti muscles: Common tendinous ring or Ligament of Zinn ● At the optical canal, in the lesser wing of the sphenoid, medial to the orbital fissure ● Orientation: Posteromedial ● Surrounds the orbital opening ● Rim of the orbit ● Orientation: Anterolateral A. Mandibular B B. Maxillary The Trochlear enters the orbit via the superior orbital fissure to innervate the superior oblique muscle, which is the only extraocular muscle innervated by the trochlear nerve A B. Base 11. Sensory innervation to the philtrum comes from the _ nerve. The fibrous tunic of the eye is composed of the cornea and the sclera. Mandibular Division (CN V3) ● Sensory-motor, only branch of CN V that has motor fibers ● Branches ○ Anterior (Sensory) : Buccal nerve ○ Anterior (Motor) : Masseteric, Temporalis, Medial and Lateral pterygoid nerves ○ Posterior (Sensory) : Auriculotemporal, Lingual, Inferior Alveolar nerves ○ Posterior (Motor) : Mylohyoid, Digastric (anterior belly) nerves Maxillary Division (CN V2) ● Purely sensory ● Branches ○ Ganglionic : hard & soft palates ○ Infraorbital : ala of the nose ○ Posterior, Middle, Anterior Superior Alveolar nerves ○ Zygomatic nerves : lateral region of the cheek and temple ■ Zygomaticofacial nerve ■ Zygomaticotemporal nerve - sends parasympathetic fibers ot the lacrimal gland since it has a communicating branch to the nasociliary nerve. 12. The corrugator supercilii is innervated by the _ nerve. A. Facial A The temporal branches of the facial nerve (CN VII) innervates the corrugator supercilli Muscles of facial expression : Branches of CN VII B. Trigeminal 13. The posterior superior alveolar artery arises from the ______ part of the maxillary artery. A. Second B. Third 14. The left jugular lymphatic trunk drains DIRECTLY into the _______. Muscles of mastication : Mandibular Division of Trigeminal nerve (CN V3) ● EXCEPT: ○ Posterior belly of Digastric and Stylohyoid : CN VII ○ Geniohyoid : Nerve to Geniohyoid (C1-C2) B A. Internal jugular vein Lymph enters the circulation through the jugular trunks. ● LEFT jugular trunk drains into the thoracic duct. ● RIGHT jugular trunk drains into either the right lymphatic duct or subclavian vein. B. Thoracic duct B 15. The Costocervical trunk is a direct branch of the ______ artery A. External Carotid MNEMONIC: ● “Real Live Doll Is Just Very Sexy and Curvaceous Vavav00m!” → Right Lymphatic Duct or Internal Jugular Vein or Subclavian Vein ● “Leash The Dog” → Left Jugular Trunk drains into Thoracic Duct ECA branches: ● Superior thyroid artery ● Lingual artery ● Facial artery B ● Maxillary artery ● Superficial temporal artery ● Ascending pharyngeal artery ● Occipital artery ● Posterior auricular artery MNEMONIC: “SeLF Made Song And Outdoor Poetry” “Some Anatomists Like Freaking Out Poor Medical Students” B. Subclavian SCA branches: ● Medial (1st part): ○ Vertebral Artery ○ Thyrocervical Trunk ○ Internal Thoracic Artery ● Posterior (2nd part): ○ Costocervical Trunk (Main Branch): ■ Superior Intercostal Branch ■ Deep Cervical Branch ● Lateral (3rd part): ○ Dorsal Scapular Artery MNEMONIC: “Vice To Consider Is Tango or Cha-Cha or Tap Dance” 16. The ______ cartilage articulates with the lamina of the cricoid cartilage A. Arytenoid A B. Epiglottic 17. The lateral cricoarytenoid muscle is innervated by the ______ laryngeal nerve Situated posterior to the root of the tongue and hyoid found anteriorly to the laryngeal inlet A. Inferior A B. Superior 18. The _______ tonsil is located surrounding the pharyngeal orifice of the auditory tube A. Pharyngeal 19. The _______ of the thyroid gland is the remnant of the thyroglossal duct. A. isthmus 20. The middle thyroid vein drains into the ________ vein. A. brachiocephalic B. Tubal Anterior branch: supplies cricoarytenoid, thyro-arytenoid, aryepiglottic, thyro-epiglottic muscles Lateral vocalis, ● Posterior branch: supplies posterior crico-arytenoid, transverse & oblique arytenoid muscles. Collection of lymphoid tissue in the submucosa of the roof and the posterior wall of the oropharynx B B The inferior thyroid vein drains into the brachiocephalic vein posterior to the manubrium. The superior thyroid and middle thyroid veins drain into the internal jugular vein. A. 6th B. 8th ● Collection of lymphoid tissue in the submucosa behind the opening of auditory tube B. internal jugular 21. The inferior visceral pleura reflects on the chest wall at the midclavicular line at the level of the ___ rib at end-expiration. The continuation of the recurrent laryngeal nerve (branch of the vagus nerve) which innervates all the intrinsic muscles of the larynx except Cricothyroid Innervates the Cricothyroid muscle B B. pyramidal lobe Articulates with the lateral parts of the superior border of cricoid cartilage lamina A Visceral Lines of Pleural Reflection: Midclavicular line: 6th rib Midaxillary line: 8th rib Scapular line: 10th rib