USMLE Practice Exam 2023 with 100% correct answers

Cause of ARDS on a histological level? - correct answerInjury and inflam of alveolar pneumoncytes and pulmonary endothelium from neutrophils Glomerular biopsy shows mesangial expansion, glomerular BM thickening, glomerular sclerosis. If sclerosis is nodular and large it is a Kimmelstiel-Wilson lesion(hyaline deposits)? - correct answerLong standing Diabetes Right hip radiograph shows mixed lysis and sclerosis with focal periosteal elevation and reactive new bone formation? - correct answerOsteosarcoma Right hip radiograph shows crescent sign and subchondral collapse? - correct answerAvascular necrosis of hip Right hip radiograph shows generalized osteosclerosis and evidence of fractures? - correct answerOsteopetrosis What is globus sensation(globus hystericus, globus pharyngeus)? - correct answerAbnormal sensation of a foreign body, tightness, or fullness in the throat. Worse with swallowing saliva. A functional disorder Pt presents with feeling like something is stuck in her throat. She has more difficulty swallowing saliva. Upper GI shows no abnormality. No neck abnormality? - correct answerGlobus sensation Functional disorder What is Pseudobulbar palsy? - correct answerNeurological condition caused by MS which results in dysarthria, dysphagia, dysphonia, and impaired movement of the tongue and facial muscles What vitamin can be teratogenic in pregnancy? - correct answerVitamin A(fetal microcephaly, cardiac anomalies, early epiphysial closure, growth retardation, or spontaneous abortion) DNA electro