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A 3-year-old boy is brought to the pediatrician for slow motor development. He has a waddling gait and calf muscle enlargement. He frequently uses his arms to support himself. Serum …
Audio Qbank – HY USMLE Q #472 – MSK / Genetics See Full Post
A 16-year-old girl comes to the physician because of increased thirst and urination over the past 2 weeks. She has lost 5-kg during this period despite an increased appetite. She …
Audio Qbank – HY USMLE Q #471 – Endocrine / Family medicine See Full Post
A 9-year-old boy has had fever and migrating polyarthralgia for 3 days. Examination shows a serpiginous rash. His left knee is swollen. Cardiac examination shows a 3/6 holosystolic murmur heard …
Audio Qbank – HY USMLE Q #452 – Immunology / Pediatrics See Full Post
A 4-year-old boy is brought to the pediatrician for a follow-up examination. He has course facial features, joint contractures, and hepatomegaly. Molecular analysis determines an inability to phosphorylate the sixth …
Audio Qbank – HY USMLE Q #438 – Biochemistry / Pediatrics See Full Post
An 11-month-old girl is brought to the physician for a 1-day history of cough and fever. Her temperature is 102 F. Pulse oximetry shows oxygen saturation of 91%. Auscultation of …
Audio Qbank – HY USMLE Q #429 – Microbiology / Pediatrics See Full Post
A 5-year-old girl is brought to the physician by her mother for a 2-day history of headache and fever. She has history of recurrent otitis media and urinary tract infections, …
Audio Qbank – HY USMLE Q #424 – Immunology / Pediatrics See Full Post
A 3-year-old boy is brought to emergency at night by his mother after experiencing a tonic-clonic seizure. Earlier in the evening, he had abdominal pain and three loose, bloody stools. …
Audio Qbank – HY USMLE Q #420 – Pediatrics See Full Post
A 2-year-old boy is brought to the physician for a follow-up examination. He has had five severe skin infections with S. aureus since birth; there has been no pus formation at …
Audio Qbank – HY USMLE Q #396 – Immuno See Full Post
A 6-year-old boy is brought to the physician for a 1-day history of diffuse abdominal pain. Last week, he stayed home from school for a day because he wasn’t feeling …
Audio Qbank – HY USMLE Q #356 – Surgery / Internal medicine See Full Post
A previously healthy 14-year-old boy is brought to the physician because of a 3-month-history of blood in his stool. Prior to the episodes, he was treated with amoxicillin for 7 …
Audio Qbank – HY USMLE Q #354 – Internal medicine See Full Post