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A 35-year-old woman notices a change in the appearance of a mole on her neck. Physical examination reveals that the lesion is an irregular, nodular, superficial mass with a variegated appearance. Biopsy demonstrates a primary malignant tumor. Which of the following factors is most predictive of the patient's long term prognosis?

A 14-year-old girl with a high fever and sore throat presents to the emergency room. A complete blood count with differential implies the presence of a viral infection. Which of the following best describe s the cells that indicate a viral etiology to her illness?

A patient has an insulin-secreting tumor that is localized to the tail of the pancreas. Which of the following would most likely be an associated finding during fasting?

A 45-year-old woman presents to her physician because of a severe 'sore throat.' Physical examination demonstrates fever and an extremely tender, enlarged thyroid gland, but no throat erythema. Serum thyroid studies demonstrate a mild degree of hyperthyroidism. Two months later, the patient is asymptomatic, and thyroid function tests have returned to normal. She never again experiences difficulty with her thyroid function. Which of the following was the most likely cause of her hyperthyroidism?

After falling on his laterally outstretched arm, a patient suffered a dislocation of the glenohumeral joint. Which of the following nerves is most likely to have been injured from this dislocation?

A 57-year-old man presents with a steady, severe pain in the right hypochondrium, nausea, vomiting, and a temperature of 102 F. He states that his signs and symptoms began shortly after eating his favorite pizza with extra cheese, pepperoni, and sausage. Laboratory examination reveals a white blood cell count of 13,400/mL and a serum bilirubin value of 2.8 mg/dL. If hepatobiliary imaging reveals an obstructed cystic duct, which of the following agents would be the drug of choice for the treatment of this patient's pain?

Which of the following drugs used in the treatment of noninsulin-dependent diabetes mellitus (NIDDM) has no effect on the secretion of insulin?