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14950 Medicine

An 18-year-old woman presents to the clinic complaining of malaise for the past 3 weeks, fever for 2 weeks, and a sore throat. Physical examination shows pharyngeal infection with enlarged tonsils and a patchy, white exudate; enlarged, palpable anterior and posterior cervical, axillary, and inguinal lymph nodes; tenderness in the right upper quadrant; and minimal splenomegaly. Laboratory data show hemoglobin 14 g/dL; hematocrit 42%; platelets 380,000/mL; WBC 8500/mL, with 35% segmented neutrophils, 1% eosinophils, and 64% lymphocytes, of which 36% were atypical. Which of the following is the most likely diagnosis?

Ainfectious hepatitis
Blymphocytic leukemia
Cinfectious mononucleosis
DHodgkin disease
Medicine
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14955 Medicine

A 60-year-old man with hypeension presents to the emergency depament complaining of veigo, nausea, vomiting and postural instability. His veigo began suddenly 2 hours ago and has been constant.Upon examination, the man cannot walk due to severe instability. The head impulse test is negative. There is left beating nystagmus on left lateral gaze and right beating nystagmus on right lateral gaze. Skew detion is present with quick, veical movements as each eye is uncovered. What is the most likely diagnosis?

AMeniere's disease
BCerebellar infarction
CVestibular neuritis
DBPPV
Medicine
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