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Anatomy Practice MCQs

Browse 15,053 high-yield clinical questions in Anatomy. Includes detailed explanations, options, and topic tags.

#6341 Upper Extremity

A 45-year-old woman is admitted to the hospital with neck pain. A CT scan reveals a tumor in the left side of her oral cavity. The tumor and related tissues are removed with a radical neck surgical procedure. Two months postoperatively the patient's left shoulder droops quite noticeably. Physical examination reveals distinct weakness in turning her head to the right and impairment of abduction of her left upper limb to the level of the shoulder. Which of the following structures was most likely injured during the radical neck surgery?

#6342 Other topics and Adverse effects

An old man enters a hospital with myocardial infarction and severe ventricular arrithmia. The antiarrhythmic drug chosen has a narrow therapeutic window. The minimum toxic plasma concentration is 1.5 times a minimum therapeutic plasma concentration. Day half life is 6 hours. It is essential to maintaining the plasma concentration about the minimum therapeutic level to prevent possible lethal arrhythmia. Of the following the most appropriate dosing regimen would be

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