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The definition of a left shift is:

A subtle measure for iron deficiency anemia includes which of the following tests?

In children, physiologic splitting of the second heart sound (S2) during inspiration____.

Newborns at greatest risk for acquiring a systemic infection include those:

Michael has a history of Marfan syndrome.  He presents to the emergency department with acute severe chest pain and back pain.  This is an emergency because Marfan’s syndrome causes:

A 13-year old boy presents for his annual physical. His is in the 98th percentile for weight and 50th percentile for height. On physical exam you note dark, velvety skin changes on his neck. You order a work up. His non-fasting glucose is 210 mg/dL and his hemoglobin A1c is 7%. What is the next best step?

A child can say three words, not including mama and dada, and can follow directions without a specific gesture. Based on this description of the child’s language development, how old is she?

You are seeing a 7-year-old girl for complaints of a painless rash x several days. She lives with her older brother and parents in the “country” and spend most of her free time outdoors. On exam, you note an erythematous bull’s eye lesion approximately 3 inches in diameter to her left thigh. Given your presumptive diagnosis, what would be the appropriate treatment for her at this time?

When do infants typically gain more weight?

You are seeing a 12-year-old girl for her annual exam. She has no significant medical history and no complaints. Vital signs are normal and she is 57 inches in height (25th percentile)  and 151 pounds (98th percentile). BMI is above the 97thpercentile for her age. Her BMI at her last exam 2 years ago was at the 83rd percentile and her lipid screen was normal.  What are the current recommendations for lipid screening for this patient?