An older female patient comes in with facial weakness. She stated she has trouble chewing, swallowing, and trouble seeing. After physical examination was performed, she shows presence of ptosis (eye drooping), inability to smile fully, and an electromyographic showing progressive weakness in her distal arms. Blood tests were also performed and it showed she contained an antibody against acetylcholine. I. Why was this lady having difficulty with chewing, swallowing, and vision? II. How are the antibodies against acetylcholine interfering with her normal skeletal muscle activity? II. How exactly would anticholinesterase drugs improve her condition?

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
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An older female patient comes in with facial weakness. She stated she has trouble chewing,
swallowing, and trouble seeing. After physical examination was performed, she shows
presence of ptosis (eye drooping), inability to smile fully, and an electromyographic showing
progressive weakness in her distal arms. Blood tests were also performed and it showed she
contained an antibody against acetylcholine.
I. Why was this lady having difficulty with chewing, swallowing, and vision?
II. How are the antibodies against acetylcholine interfering with her normal skeletal muscle
activity?
II. How exactly would anticholinesterase drugs improve her condition?
Transcribed Image Text:An older female patient comes in with facial weakness. She stated she has trouble chewing, swallowing, and trouble seeing. After physical examination was performed, she shows presence of ptosis (eye drooping), inability to smile fully, and an electromyographic showing progressive weakness in her distal arms. Blood tests were also performed and it showed she contained an antibody against acetylcholine. I. Why was this lady having difficulty with chewing, swallowing, and vision? II. How are the antibodies against acetylcholine interfering with her normal skeletal muscle activity? II. How exactly would anticholinesterase drugs improve her condition?
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