We offer access to questions covering the CEM database and LEK questions from 2008.
We offer access to archived PES questions from the CEM website and unpublished questions from the latest 5 years for selected specializations.
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Physical examination of a 4-month-old infant revealed signs of dyspnea, tachypnea 75/min and diffused rales on lung auscultation. The child was born at 28 hbd, with the birth weight of 820 g. Oxygen therapy was necessary for the first two months of life. Body temperature was 36.8 °C, CRP 1 mg/L. A chest X-ray showed diffused small infiltrations within the lungs. The most probable diagnosis is: