Dizziness and Fainting in an 8-Year-Old Girl Kevin Couloures, DO Dr. Couloures is a Resident Physician in the Internal Medicine and Pediatrics combined program at the Los Angeles County/University of Southern California Medical Center, Los Angeles, CA. The questions below are based on the June 2002 Pediatric Rounds article, “Dizziness and Fainting in an 8-Year-Old Girl.” Choose the single best answer for each question.
	1. The most common cause of bacterial meningitis in children between the ages of 2 months and 12 years is which one of the following organisms? Escherichia coli Group B streptococci Haemophilus influenzae type b Listeria monocytogenes Neisseria meningitidis Click here to compare your answer. 2. Which of the following patients does NOT need an emergent head computed tomographic scan? A 6-month-old girl who rolled off of her mother’s bed and has been difficult to console since the episode occurred 5 hours ago A 9-year-old girl who is awake and conversant, and has a normal gait but an impaired right lateral gaze A 12-year-old boy with a dull, throbbing headache that he says gets better when he goes into a quiet room A 16-year-old boy who blacked out after being tackled during a football game and subsequently vomited, but now insists that he is fine A 17-year-old girl involved in a motor vehicle accident who was alert and oriented at the scene of the accident but now keeps forgetting what she was just told Click here to compare your answer.		3. The parathyroid hormone level is regulated primarily by the serum ionized calcium level. The serum levels of which one of the following are also involved in the regulation of parathyroid hormone levels? Calcitonin Catecholamine Magnesium Phosphate Vitamin D Click here to compare your answer. 4. Hypocalcemia can result in which one of the following cardiac abnormalities? Bradycardia Delayed repolarization First degree atrioventricular block Hypertension Shortened QT interval Click here to compare your answer. 5. What is the appropriate follow-up period for a child who has had a syncopal episode? 3 months 6 months 1 year 2 years 5 years Click here to compare your answer.
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