External laryngeal nerve - Study guides, Class notes & Summaries

Which muscle abducts the vocal cords? a. Posterior Cricoarytenoid b. Cricothyroid c. Lateral Cricoarytenoid d. Arepiglottic correct answer: a. posterior cricoarytenoid The cricothyroid muscle is innervated by the: a. recurrent laryngeal nerve b. glossopharyngeal nerve c. internal branch of the superior laryngeal nerve d. external branch of the superior laryngeal nerve. correct answer: d. External branch of the superior laryngeal nerve What innervates the Anterior tongue: a. Trig...

Course 1- Quiz 2- Surgical Specialties study guide with complete solutions 2023Which of the following allows for the most stable and rigid fixation of a fracture? Select one: a. Locked plating system b. Dynamic compression plating c. Semi-tubular plates d. Placement of a lag screw across the fracture a. Locked plating system During the cementing of components during total joint replacement, a new CRNA who has never worked in orthopedics before begins to panic. A side effect that pos...

? NT is released to work on ? receptors to modulate functions of smooth or cardiac muscles, glands, cells - Acetylcholine works on muscarinic receptors ? preganglionic and ? postganlionic for sympathetic and parasympathetic? - Sympathetic = short pre, long post Parasympathetic = long pre, short post 2 arteries that supply thyroid gland? What are they branches from? - Superior thyroid artery (branch of external carotid artery) and inferior thyroid arch (branch of thyrocervical trunk) 2 blo...

What gland is found in the muscular triangle of the neck? (Ans- Thyroid gland Is an afferent or efferent pupillary defect described as B/L pupillary constriction when light is shined in the unaffected eye and B/L paradoxical dilation when light is shined in the affected eye? (Ans- Afferent pupillary defect (CN II lesion); in an efferent pupillary defect (CN III), B/L constrict when light is shined in the unaffected eye and consensual pupil constriction occurs when light is shined in the a...

ATLS10 exam questions with answers (answers outlined!!) 1. A 24-year-old male pedestrian, struck by an automobile, is admitted to the emergency department 1 hour after injury. His blood pressure is 80/60 mmHg, heart rate 140 beats per minute and respiratory rate is 36 per minute. He is lethargic. Oxygen is delivered via face mask, and two large-caliber IVs are initiated. Arterial blood gases are obtained. His PaO2 is 118 mmHg (15.7 kPa), PaCO2 is 30 mmHg (4.0 kPa), and pH is7.21. The treat...

cricothyroid muscle correct answers elongates, tenses the vocal ligaments CricoThyroid =Cords Tense innervated by external SLN what nerve innervates the cricothyroid muscle? correct answers external SLN vocalis muscle correct answers relaxes, shortens the vocal ligaments VocaLis = Vocal cords reLax innervated by RLN what nerve innervates the majority of the intrinsic muscles of the airway correct answers RLN thyroarytenoid muscle correct answers Shortens and relaxes the...

NBME 26| Questions and Answers, 100% Correct How can the jejunum be distinguished from the ileum? (5) 1. inner mucosal folds (plicae circulares) are more prominent, more numerous, and taller --> (this leads to increased mucosal SA and associated feathered appearance after the administration of oral contrast material) 2. larger caliber, thicker muscular walls 3. longer vasa rectae 4. fewer arcades 5. the ileum is notable for the presence of Peyer patches and mucosal lymphoid folli...

Where and why are lumbar punctures performed? - Answer- Spinal Block -> Anesthetic (into epidural space) Spinal Tap -> CSF extraction (into subarachnoid space)W B/W L3/L4 or L4/L5 NB: Posterior to this is *cauda equina* Where does a *herniated intervertebral* disk occur? What causes it? - Answer- Occurs b/w L4/L5 or *L5/S1* and C5/C6 or C6/C7 NB: affects lower spinal nerve # Degeneration of annulus fibrosis followed by *sudden compression* of nucleus pulposus What is the dif...

What muscle abducts the vocal cords? - correct answer posterior cricoarytenoid What is the only muscle that tenses (elongates) the vocal cords? - correct answer cricothyroid "cords tense" What muscle opens the glottis? - correct answer thyroepiglottic What two muscles close the glottis? - correct answer aryepiglottic oblique arytenoid What muscles adduct the vocal cords and arytenoids? - there are two - correct answer lateral cricoarytenoid transverse arytenoid Wha...

USMLE Step 1 Comprehensive Questions Bank What gland is found in the muscular triangle of the neck? - Thyroid gland Is an afferent or efferent pupillary defect described as B/L pupillary constriction when light is shined in the unaffected eye and B/L paradoxical dilation when light is shined in the affected eye? - Afferent pupillary defect (CN II lesion); in an efferent pupillary defect (CN III), B/L constrict when light is shined in the unaffected eye and consentual pupil constricti...