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29701 Pathology

A 23-year-old woman with history of eating disorder, complains of vomiting, nausea & severe abdominal pain. Physical examination shows abdominal distension and constipation. An X-ray film of the abdomen reveals air-fluid levels and a hyperlucent shadow at the epigastric area. The material obstructing the gastrointestinal tract is removed surgically and shown. Which of the following is the most likely diagnosis?

ADiveiculum of the stomach
BGastric lymphoma
CPhytobezoar
DTrichobezoar
Pathology
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29705 Microbiology

An outbreak of staphylococcal infection involving umbilical cords of seven newborn babies was repoed in the nursery. Bacteriological survey reveals that two nurses have a large number of Staphylococcus aureus in the nasopharynx. What test should be performed to determine whether these nurses may have been responsible for the outbreak?

ABacteriophage typing
BCoagulase testing
CNasopharyngeal culture on mannitol salt agar
DProtein A typing
Microbiology
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