pathology

I am going to answer the sample USMLE Step 1 Questions with Explanation. These questions are available at USMLE.org A 32-year-old man comes to the office because of a 1-day history of cough productive of small amounts of blood and a 2-day history of shortness of breath and swelling of his ankles. He also has … Read more

I am going to answer the sample USMLE Step 1 Questions with an Explanation. These questions are available at USMLE.org Q- A 14-year-old boy is brought to the emergency department by his parents because of a 1-month history of intermittent right knee pain that has worsened during the past day. He rates his current pain … Read more

Q- Which of the following is a characteristic feature of Crohn’s disease? A-Skip lesions B-Continuous involvement of the rectum C-Presence of pseudomembranes D-Eosinophilic infiltration in the colon Q- A 28-year-old female presents with a history of fatigue, weight gain, and cold intolerance. Physical examination reveals a puffy face, slow speech, and coarse hair. Laboratory tests … Read more

Q- A 7-year-old girl is brought to the clinic by her parents due to severe sunburns after minimal sun exposure. She has also developed freckle-like pigmented lesions on her face and arms. A skin biopsy shows dysplastic keratinocytes and a paucity of melanocytes. What is the most likely diagnosis? A- Albinism B- Atopic dermatitis C- … Read more