A 4-month-old child has poor weight gain. Her current weight is less than the 5th percentile, height about the 10th percentile, and head circumference at the 50th percentile. The planned pregnancy resulted in a normal, spontaneous, vaginal delivery; mother and child were discharged after a 48-hour hospitalization. Feeding is via breast and bottle; the quantity seems sufficient. The child has had no illness. The examination is unremarkable except for the child’s small size. Screening laboratory shows the hemoglobin and hematocrit are 11 mg/dL and 33% respectively, with a platelet count of 198,000/mm3. Serum electrolyte levels are sodium 140, chloride 105, potassium 3.5, bicarbonate 17, blood urea nitrogen 15, and creatinine 0.3. Liver function tests are normal. Urinalysis reveals a pH of 8 with occasional epithelial cells but no white blood cells, bacteria, protein, ketones, or reducing substances. Which of the following is the most appropriate therapy for this child?
Question 591 out of 1 pointsA teenage female who is overweight has moderate acne on the face and chest, and irregular menses. Elevation of which laboratory test provides the test evidence of polycystic ovarian syndrome?
Question 601 out of 1 pointsA 2-year-old boy has been slightly less than the 50th percentile for weight, height and head circumference, but in the last 6 months he has fallen to slightly less than the 25th percentile for weight. The pregnancy was normal, his development is as expected, and the family reports no psychosocial problems. The mother says that he is now a finicky eater (wants onlymacaroni and cheese at all meals), but she insists that he eat a variety of foods. The meals are marked by much frustration for everyone. His examination is normal. Which of the following is the best next step in his care?
Question 611 out of 1 pointsI like to use my pincer grasp that involves the ablitily to pick up a small objectsuch as a raisin or piece of cereal with the thumb and forefinger, and that ismastered around what age?
Question 621 out of 1 pointsAn 11-year-old girl has dizziness, pupillary dilation, nausea, fever, techycardia, and facial flushing. She says she can "see" sound and "hear" colors. The agent likely to be responsible is which of the following?