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A 3-year-old boy is brought to the physician for persistent left arm pain the past two weeks. Physical examination shows no abnormalities. X-ray and MRI are performed and show an …
HY USMLE Q #756 – MSK / Immuno See Full Post
A 38-year-old man comes to the physician for a 4-month history of dry cough and intermittent fever. He’s had a 15-pound weight loss during this time. One month ago, he …
HY USMLE Q #749 – Path / Immuno See Full Post
A 56-year-old woman presents to the physician for a follow-up appointment. She has hypercalcemia, nephrotic syndrome, and markedly elevated serum IgG kappa. Bone marrow biopsy confirms the diagnosis and is …
HY USMLE Q #734 – Immuno / Pharm See Full Post
A 44-year-old man comes to the physician for a 3-month history of a painless right-sided facial swelling. There is hepatosplenomegaly and a mediastinal mass. Biopsy of the facial swelling confirms …
HY USMLE Q #733 – Pharmacology See Full Post
Protection against polio can be achieved by either live-attenuated Sabin vaccine or killed Salk vaccine. The shared feature of both vaccines is their ability to induce which of the following …
HY USMLE Q #712 – Vaccines See Full Post
A 9-year-old boy is brought to the physician by his mother for a 1-day history of dark urine. He has no past medical history. Vitals are within normal limits. Physical …
HY USMLE Q #705 – Derm / Pharm / Immuno See Full Post
A 12-month-old boy is brought to the physician for a follow-up examination. He just completed a course of antibiotics for a pneumonia one week ago. He has three episodes of …
HY USMLE Q #700 – Immuno See Full Post
A 39-year-old woman comes to the physician for a 2-day history of an exquisitely painful sore on the inside of her lower lip. Vitals are within normal limits. She takes …
HY USMLE Q #684 – Ear, Nose, Throat See Full Post
A healthy 31-year-old woman comes to the physician for an immigration health examination. Physical examination is unremarkable. Serum studies show: Hepatitis A IgG antibody …
HY USMLE Q #671 – Annoying lab serology stuff See Full Post
A 3-year-old boy is brought to the physician for a 1-day history of fever and mouth sores. He has a 12-month history of similar episodes lasting 3 to 5 days …
HY USMLE Q #666 – Immuno See Full Post