paeds453
A randomised controlled trial of a new treatment for hypertension yields a P-value of 0.00036.Which one of the following gives the best interpretation of this information?
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paeds454
A screening test correctly identifies 90 of 100 individuals with disease and falsely identifies a further 15 of 300 individuals without disease. Which one of the following statements is true?
paeds455
A screening test is found to have a sensitivity of 90% and a specificity of 95%.Which of the following is the best answer?
paeds449
A 14-year old girl presented with a 2cm, mobile, cystic mass in the midline of her neck. Fine needle aspiration of the mass revealed clear fluid. This is most likely a case of:
paeds450
According to a cross-sectional survey of >500 subjects, an estimated 10% of a group of children that have a sibling with severe eczema, have asthma. On the other hand, only 0.5% without a sibling with severe eczema have asthma. You want to test the difference of 9.5% for significance. Which of the following tests would you use?
paeds451
A new treatment reduces blood pressure for hypertensive patients by 10 mmHg more than the current standard treatment (95% confidence interval minus 2 to 22).Which of the following statements is most accurate?
paeds444
A 7-year-old girl was brought to the OPD with a history of a large swelling on the side of her neck with associated lymph node swellings in her neck and axilla. Which if the following investigations will you order next?
paeds445
A 8 year old boy presented with acute onset of nasal obstruction. His parents gave a recent history of nasal trauma. On examination he was febrile and his nasal bones were straight. Which of the following is the most probable diagnosis?
paeds446
A 9-year-old male presented in the emergency room with sudden nosebleed that started 15 minutes ago. Which management step should be taken in such a case?
paeds447
A young boy presents with a soft swelling in the midline neck that moves with tongue protrusion. The swelling is present between the thyroid cartilage and the tongue. Which of the following is the most likely diagnosis?