A 26-year-old female presents with episodes of unexplained muscle weakness and muscle fatigue that fluctuate throughout the day and are resolved with rest. She also complains of double vision and difficulty chewing. Lab work reveals elevated levels of circulating acetylcholine receptor antibodies. Physical examination reveals ptosis, normal sensation in the limbs, and no reflex changes. Based on the patient’s presentation and physical examination, which of the following is the most appropriate diagnosis?

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The material on the PANCE and PANRE is organized by the NCCPA into two dimensions, as indicated in the content blueprint for the examination. - Organ systems and the diseases, disorders and medical assessments physician assistants encounter within those systems; and - The knowledge and skills physician assistants should exhibit when confronted with those diseases, disorders and assessments. Medical Content Categories % Allocation: Cardiovascular System 13% Dermatologic System 5% Endocrine System 7% Eyes, Ears, Nose, and Throat 7% Gastrointestinal System/Nutrition 9% Genitourinary... Show more

A 26-year-old female presents with episodes of unexplained muscle weakness and muscle fatigue that fluctuate throughout the day and are resolved with rest. She also complains of double vision and difficulty chewing. Lab work reveals elevated levels of circulating acetylcholine receptor antibodies. Physical examination reveals ptosis, normal sensation in the limbs, and no reflex changes. Based on the patient’s presentation and physical examination, which of the following is the most appropriate diagnosis?






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