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    NBME 12 High Yields

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    Alexander Cabrera
    The boy has Duchenne muscular dystrophy (DMD) because his mother is a carrier of the DMD mutation on one of her X chromosomes. If the X chromosome without the mutation becomes inactive in her muscle cells, she could display symptoms of the disease due to unfavorable X-chromosome inactivation. Trichomonas vaginalis infection presents with strawberry-colored lesions, elevated pH, and motile trophozoites on microscopy, while Gardnerella vaginalis shows clue cells. Both are treated with metronidazole. Myasthenia gravis causes double vision, ptosis, muscle weakness, and fatigue but strength improves with neostigmine due to antibodies against acetylcholine receptors at the

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    NBME 12 High Yields

    Uploaded by

    Alexander Cabrera
    6K views39 pages
    The boy has Duchenne muscular dystrophy (DMD) because his mother is a carrier of the DMD mutation on one of her X chromosomes. If the X chromosome without the mutation becomes inactive in her muscle cells, she could display symptoms of the disease due to unfavorable X-chromosome inactivation. Trichomonas vaginalis infection presents with strawberry-colored lesions, elevated pH, and motile trophozoites on microscopy, while Gardnerella vaginalis shows clue cells. Both are treated with metronidazole. Myasthenia gravis causes double vision, ptosis, muscle weakness, and fatigue but strength improves with neostigmine due to antibodies against acetylcholine receptors at the

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    NBME 12 wrong q's only and H yields

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    NBME 12 high yields

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    The boy has Duchenne muscular dystrophy (DMD) because his mother is a carrier of the DMD mutation on one of her X chromosomes. If the X chromosome without the mutation becomes inactive in her muscle cells, she could display symptoms of the disease due to unfavorable X-chromosome inactivation. Trichomonas vaginalis infection presents with strawberry-colored lesions, elevated pH, and motile trophozoites on microscopy, while Gardnerella vaginalis shows clue cells. Both are treated with metronidazole. Myasthenia gravis causes double vision, ptosis, muscle weakness, and fatigue but strength improves with neostigmine due to antibodies against acetylcholine receptors at the

    Copyright:

    Attribution Non-Commercial (BY-NC)
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    6K views39 pages

    NBME 12 High Yields

    Uploaded by

    Alexander Cabrera
    The boy has Duchenne muscular dystrophy (DMD) because his mother is a carrier of the DMD mutation on one of her X chromosomes. If the X chromosome without the mutation becomes inactive in her muscle cells, she could display symptoms of the disease due to unfavorable X-chromosome inactivation. Trichomonas vaginalis infection presents with strawberry-colored lesions, elevated pH, and motile trophozoites on microscopy, while Gardnerella vaginalis shows clue cells. Both are treated with metronidazole. Myasthenia gravis causes double vision, ptosis, muscle weakness, and fatigue but strength improves with neostigmine due to antibodies against acetylcholine receptors at the

    Copyright:

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    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 39

    Q5: Since the boy has DMD, it means the mother is a carrier.

    So one of the X chromosomes she carries has the DMD mutation. If the normal X chromosome becomes inactivated in her muscle cells (so-called "unfavorable lyonization"), she would display the phenotypical features of the disease

    Name other areas

    Why not progesterone

    trichomonas: strawberry [erythematous] mucosa, elevated pH, and motile trophozoites. Differential would have been Gardnerella vaginalis but microscopy of this shows clue cells, or vaginal epithelial cells covered by bacteria. Both are treated with metronidazole

    double vision,ptosis,muscle weakness,fatigue imrovement in muscle strenght with neostigmine. DX is myesthenia gravis where there are antibodies are present against post synaptic ACH receptors which is membrane protiens.

    C yolk scak tumor

    http://www.bioon.com/bioline/neurosci/course/brstem.html

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