Medical
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3,531 questions
A 7-year-old boy presents with a 3-year history of seasonal rhinorrhea and nasal congestion. He states that ''as soon as the weather warms up,'' he experiences daily nasal symptoms that are often severe enough to limit his outdoor activity. On physical examination, you note infraorbital swelling, a transverse nasal crease, boggy turbinates, and clear rhinorrhea. A nasal smear demonstrates numerous eosinophils. You decide to treat him with a nasal spray. Of the following, the MOST effective long-term treatment for this boy is a nasal spray containing a(n)
A 14-year-old boy who had a sore throat and fever 2 weeks ago presents to the emergency department still dressed in his football gear from the practice field, where he complained of acute abdominal pain. He exhibits tachypnea, tachycardia, and mild hypotension and complains of intense pain in the left upper quadrant. Of the following, the MOST definitive study to diagnose this child's condition is
You diagnose tinea capitis in a 7-year-old girl. She is otherwise healthy and has no known allergies to medications. You plan to prescribe oral griseofulvin. Of the following, it is MOST appropriate to prescribe the drug
You see a boy in outpatients whose parents are concerned he is not talking yet. You do a developmental assessment and imd he is walking well and able to build a tower of three blocks. He will scribble but does not copy your circle. He is able to identify his nose, mouth, eyes and ears as well as point to mummy and daddy. You do not hear him say anything but his parents say he will say a few single words at home such as mummy, daddy, cup and cat. He is a happy, alert child. Parents report him to be starting to feed himself with a spoon and they have just started potty training but he is still in nappies. What is the child's most likely age?
A 13-month-old boy presents to your office after his mother called for an urgent appointment because he had a bad cough and noisy breathing. He has been previously healthy and is fully immunized. On physical examination, his temperature is 100.9°F (38.3°C), pulse rate is 142 beats/min, respiratory rate is 36 breaths/min (crying), and pulse oximetry reading is 98o/o on room air. The mother states that he went to sleep normally with only mild symptoms of an upper respiratory tract infection and awakened at 4 am with noisy breathing. He tolerated sips of juice this morning and has had no vomiting, diarrhea, or high fever. After the boy settles down from having his vital signs measured, he has a ''barking cough,'' and on auscultation, you notice stridor with every breath. Mild suprasternal retractions are visible on examination of the chest. He prefers to sit up and looks slightly anxious. Of the following, the treatment MOST likely to provide improvement is
A term baby is awaiting his discharge check when you are called to see him at 10 hours of age. His mother reports that he has turned a dusky colour and is not as alert as he has been. On examination he has central cyanosis, pulse 150 bpm regular, and both brachial and femoral pulses are palpable. He has normal heart sounds with no murmur. His oxygen saturations are 65 per cent in air. What is the most likely underlying diagnosis?
You are evaluating a 12-year-old boy who recently moved to your community. His family history reveals that his father, who is 36 years old, suffers from extremely high blood cholesterol levels (>500 mg/dL [12.9 mmoVL]). The boy's mother states that her husband's brother has the ''same problem.'' Findings on the boy's physical examination are normal. Of the following, the BEST next step for your patient is to
You are evaluating a 10-year-old boy who has behavior problems. He hits his younger brother, talks back to his parents, and refuses to perform his assigned household chores. He does well in school, but is oppositional in the classroom. His parents ask what they can do to improve his behavior. Of the following, your BEST response is that
A 14-month-old girl is brought to the emergency department with a 12-hour history of fever and rash. Her mother became frightened when it was difficult to arouse the girl after her nap. Findings on physical examination include a temperature of 104°F (40°C), a heart rate of 164 beats/min, a respiratory rate of 42 breaths/min, and a blood pressure of 75/45 mm Hg. There are petechiae and purpura (Item Q156A) on the chest, arms, and legs. As you are establishing intravenous access and drawing blood for initial laboratory evaluations, you request an immediate dose of antibiotics. Of the following, the MOST appropriate therapy is
You have been treating a 2-year-old girl for pneumococcal meningitis for the past 5 days. Of the following, the MOST likely complication of her disease is
A 15-year-old girl is rushed to the emergency department after slipping off a diving board and striking her head on cement. On physical examination, her mental status evaluation results are completely normal. She can abduct her upper extremities at the shoulder, but cannot flex or extend her arms and minimally moves her imgers. She cannot move her limp lower extremities. You order emergent magnetic resonance imaging of the brain and spine. Of the following, the MOST important therapy to implement before the patient is sent for imaging is
A 16-year-old boxer presents to your office 2 hours after a blow delivered to one ear during sparring. The ear is swollen and painful. On physical examination, you note a 2-cm diameter USMLE Pediatry2e/Management area of bruising and fluctuance along the upper aspect of the pinna anteriorly. Of the following, the MOST appropriate next step in the management of this patient is to
A 2-year-old boy presents to the emergency department and requires intubation due to apnea. Subsequent tests reveal a diagnosis of meningococcal meningitis. Because of the emergent nature of the intubation, you were not able to put on a mask prior to performing this task. Therefore, you will need to take prophylactic medications to prevent transmission of the organism to you. Of the following, the MOST appropriate antimicrobial agent for prophylaxis is
A 14-year-old girl presents to your office with complaints of a red and ''irritated'' eye for the past 12 hours. She wears contact lenses, but has not worn them since the previous evening. Her pain and inflammation have continued to worsen despite removing the contact lenses. On physical examination, you note diffuse moderate injection of the bulbar conjunctiva of the lefteye. Her extraocular motions and pupillary reflexes are normal. Results of funduscopic examination are normal. There is no discharge. Fluorescein examination reveals diffuse uptake of stain but no evidence of corneal abrasion. Of the following, the MOST appropriate next step in the management of this child is to
A 4-year-old boy presents to your clinic with a 4-day history of fever. Over the past 24 hours, he developed swelling over the left side of his face, and his left eye is starting to close. On physical examination, his temperature is 102°F (38.9°C), and his left cheek and lower eyelid are swollen but not red or warm. On oral examination, you note a severe decay of the second maxillary molar and elicit pain when you tap on this tooth. Of the following, the MOST appropriate therapy is
You are seeing a 6-week-old infant who was born with trisomy 21 and a large atrioventricular septa] defect. Over the previous week, she has tired with feeding and has not gained weight. Her respiratory rate is 60 breaths/min and heart rate is 150 beats/min. Auscultation reveals mild retractions and a 2/6 systolic murmur with a gallop rhythm. The liver is palpable at 2 cm below the costal margin, and the perfusion is good. You decide to increase the caloric content of the formula to 24 kcal/oz, and you contact her pediatric cardiologist to discuss referral for surgical repair. Of the following, the BEST therapeutic option while awaiting surgical repair is
The pediatric resident at the emergency department notifies you that one of your patients, an 18-montb-old boy, has been admitted to the hospital for observation after being found with an open bottle of lemon-scented furniture polish. On arrival at the emergency department, the child had lemon-scented polish on his clothing, and his breath smelled of the substance. His mother stated that he had vomited once, but there has been no choking, gagging, or coughing since the ingestion. Of the following, the MOST appropriate management includes:
A 15-month-old boy presents to the emergency department following the acute onset of nausea, vomiting, and abdominal pain. He appears agitated. His heart rate is 160 beats/min, but other vital signs are normal. His mother, who has asthma, reports finding her theophylline bottle lying empty on the floor in her bedroom. His capillary blood gas measurement is normal, and his USMLE Pediatry2e/Management blood glucose concentration is 190 mg/dL (10.5 mmol/L). Of the following, the MOST appropriate management of this patient is
You are in the endoscopy unit observing an endoscopic retrograde cholangio pancreatogram for a patient with deranged liver function tests also presenting with jaundice. The Consultant explains to you that he must get to the part of the duodenum where the duodenal papilla is located. From the list of answers below, which part of the duodenum is the Consultant referring to?
A 4 year-old-boy presents to your clinic with anal itching of 2 weeks' duration. His mother denies itching in other family members. Tape applied to his perianal skin shows oval structures. Of the following, the most appropriate management of this patient is