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A 33-year-old, right-handed roller derby skater comes to you complaining of periodic attacks of tinnitus ("ringing" or "buzzing") in her left ear and vertigo (the sensation that she and her surroundings are moving relative to one another, when she is standing or sitting still). She says these attacks have been becoming more frequent over the past year or so and that now, between attacks, she feels as though she can't hear as well with her left ear as she can with her right. Your examination reveals that the auditory threshold is indeed elevated in her left ear, whether you use air conduction or bone conduction. You also notice that touching either cornea with a wisp of cotton causes her right eye to blink briskly and her left eye to blink somewhat sluggishly. Then you notice that she seems to have a somewhat asymmetrical smile: The right side of her face moves more than the left. Which of the following best accounts for this patient's list of problems?

A 33-year-old, right-handed roller derby skater comes to you complaining of periodic attacks of tinnitus ("ringing" or "buzzing") in her left ear and vertigo (the sensation that she and her surroundings are moving relative to one another, when she is standing or sitting still). She says these attacks have been becoming more frequent over the past year or so and that now, between attacks, she feels as though she can't hear as well with her left ear as she can with her right. Your examination reveals that the auditory threshold is indeed elevated in her left ear, whether you use air conduction or bone conduction. You also notice that touching either cornea with a wisp of cotton causes her right eye to blink briskly and her left eye to blink somewhat sluggishly. Then you notice that she seems to have a somewhat asymmetrical smile: The right side of her face moves more than the left. Which of the following best accounts for this patient's list of problems?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A 33-year-old, right-handed roller derby skater comes to you complaining of periodic attacks of tinnitus (“ringing” or “buzzing”) in her left ear and vertigo (the sensation that she and her surroundings are moving relative to one another, when she is standing or sitting still). She says these attacks have been becoming more frequent over the past year or so and that now, between attacks, she feels as though she can’t hear as well with her left ear as she can with her right. Your examination reveals that the auditory threshold is indeed elevated in her left ear, whether you use air conduction or bone conduction. You also notice that touching either cornea with a wisp of cotton causes her right eye to blink briskly and her left eye to blink somewhat sluggishly. Then you notice that she seems to have a somewhat asymmetrical smile: The right side of her face moves more than the left. Which of the following best accounts for this patient’s list of problems? - ○ Damage to the left vestibulocochlear n. - ○ Damage to the left facial n. - ○ Damage to the right spinocerebellum - ○ Tumor growth within left stylomastoid foramen - ○ Tumor growth within left internal auditory meatus
Transcribed Image Text:A 33-year-old, right-handed roller derby skater comes to you complaining of periodic attacks of tinnitus (“ringing” or “buzzing”) in her left ear and vertigo (the sensation that she and her surroundings are moving relative to one another, when she is standing or sitting still). She says these attacks have been becoming more frequent over the past year or so and that now, between attacks, she feels as though she can’t hear as well with her left ear as she can with her right. Your examination reveals that the auditory threshold is indeed elevated in her left ear, whether you use air conduction or bone conduction. You also notice that touching either cornea with a wisp of cotton causes her right eye to blink briskly and her left eye to blink somewhat sluggishly. Then you notice that she seems to have a somewhat asymmetrical smile: The right side of her face moves more than the left. Which of the following best accounts for this patient’s list of problems? - ○ Damage to the left vestibulocochlear n. - ○ Damage to the left facial n. - ○ Damage to the right spinocerebellum - ○ Tumor growth within left stylomastoid foramen - ○ Tumor growth within left internal auditory meatus
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