NM III Exam I Questions and Answers Fully Solved Latest Version

NM III Exam I Questions and Answers Fully Solved Latest Version T or F: The vestibular system is sensory only. - AnswersFalse. The vestibular system is sensory and motor system. What reflex controls gaze stabilization? a. vestibular ocular reflex b. vestibular spinal reflex - Answersa. vestibular ocular reflex What reflex controls postural control? a. vestibular ocular reflex b. vestibular spinal reflex - Answersb. vestibular spinal reflex Reflex that allows you to focus on what your looking at while your head is moving (vision is not blurred). a. vestibular ocular reflex b. vestibular spinal reflex - Answersa. vestibular ocular reflex -provides sensory input regarding position and motion of the head -role in controlling position of the body's COM -role in stabilizing and orienting the head with respect to gravity/vertical a. vestibular ocular reflex b. vestibular spinal reflex - Answersb. vestibular spinal reflex ____ ear infections are common and can occasionally get into the inner ear/vestibular system leading to a hypofunction. a. external b. middle c. internal - Answersb. middle ____ semicircular canals on each side. a. 1 b. 2 c. 3 - Answersc. 3 Anterior and posterior semicircular canals connect to the utricle via an opening called ______. a. ordinary crus b. common crus c. middle crus - Answersb. common crus ____ is significant for the treatment of BPPV and removal of the otoconia. - Answerscommon crus The opening b/w utricle and posterior canal is gravity _____. a. eliminated b. assisted c. dependent - Answersc. dependent When otoconia break away from the macula, they drop down into ____ canal most often. a. anterior b. posterior c. horizontal - Answersb. posterior The semicircular movements are most sensitive to ___ movements. a. fast b. slow - Answersa. fast Canals are oriented ___ degrees to each other. a. 25 b. 45 c. 60 d. 90 - Answersd. 90 The horizontal canal is tilted up ____ degrees from the transverse plane. a. 0 b. 30 c. 60 d. 90 - Answersb. 30 The anterior and posterior canals are oriented vertically at ___ degree angle to the midline. a. 0 b. 45 c. 60 d. 90 - Answersb. 45 Hair cells are located in each _____. a. ampulla b. semicircular canals c. middle ear - Answersa. ampulla What all does the ampulla house? - Answers-crista -cupula -hair cells Swelling off of each semicircular canal. a. ampulla b. cupula - Answersa. ampulla Gelatinous mass, hair cells, and hairs are embedded in the cupula and bend with head rotation. a. ampulla b. cupula - Answersb. cupula For motion detection which information from is sent off to the brain; sends messages to the brain via CN VIII. a. motor hair cells b. sensory hair cells - Answersb. sensory hair cells Short hairs. a. stereocilia b. kinocilia - Answersa. sterociliar