NBCRNA exam 2024 with 100% correct answers

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 What muscle shortens the vocal cords? (relaxes?) - there are two - correct answer thyroarytenoid "they relax" vocalis The cricothyroid muscle is innervated by? - correct answer external branch of SLN - the only branch that tenses (elongates) the VCs The internal branch of the SLN is purely? - sensory or motor? - correct answer sensory Recurre