A 7-day-old male infant presents to the pediatrician for weight loss. There is no history of excessive crying, irritability, lethargy, or feeding difficulty. The parents deny any history of fast breathing, bluish discoloration of lips/nails, fever, vomiting, diarrhea, or seizures. He was born at full term by vaginal delivery without any perinatal complications and his birth weight was 3.6 kg (8 lb). Since birth he has been exclusively breastfed and passes urine six to eight times a day. His physical examination, including vital signs, is completely normal. His weight is 3.3 kg (7.3 lb); length and head circumference are normal for his age and sex. Which of the following is the next best step in the management of the infant?
AReassurance of parents
BEvaluation of the mother for malnutrition
CAdmission of the infant in the NICU to treat with empiric intravenous antibiotics
DEmphasize the need to clothe the infant warmly to prevent hypothermia
ESupplementation of breastfeeding with an appropriate infant formula
A 15-year-old female presents to her family physician for an annual school physical exam and check-up. She is accompanied by her mother to the visit and is present in the exam room. The patient has no complaints, and she does not have any past medical problems. She takes no medications. The patient reports that she remains active, exercising 5 times a week, and eats a healthy and varied diet. Which of the following would be the best way for the physician to obtain a more in-depth social history, including sexual history and use of alcohol, tobacco, or recreational drugs?
ADisallow the mother to be present in the examination room throughout the entirety of the visit
BGive the patient a social history questionnaire to fill out in the exam room
CAsk the mother to step outside into the hall for a portion of the visit
DAsk the patient the questions directly, with her mother still in the exam room
ESpeak softly to the patient so that the mother does not hear and the patient is not embarrassed
A 4-month-old boy is brought to the physician for a well-child examination. He was born at 39 weeks gestation via spontaneous vaginal delivery and is exclusively breastfed. He weighed 3,400 g (7 lb 8 oz) at birth. At the physician's office, he appears well. His pulse is 146/min, the respirations are 39/min, and the blood pressure is 78/44 mm Hg. He weighs 7.5 kg (16 lb 9 oz) and measures 65 cm (25.6 in) in length. The remainder of the physical examination is normal. Which of the following developmental milestones has this patient most likely met?
ASits with support of pelvis
BGrasps small objects between thumb and finger
CTransfers objects from hand to hand
DIntentionally rolls over
EBounces actively when held in standing position
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