1. What’s this congenital defect ?
2. What are the etiologies ?
Created by USMLE PlAB MCQ
Cystic fibrosis
Abdominal distension and muscle wasting is present in this boy who presented with a history of frequent loose bulky stools and poor weight gain. Over 90% of cystic fibrosis patients have intestinal malabsorption due to pancreatic insufficiency. what’s the single most specific test to diagnosis this condition ? Created by USMLE PlAB MCQ
Man with Raynaud’s disease who emigrated from Cambodia
Question A 46-year-old man with Raynaud’s disease who emigrated from Cambodia 30 years ago presented with a 2-month history of myalgias, exertional dyspnea, and an elevated level of creatine kinase. An extensive evaluation was notable for the ground-glass infiltrates detected in the lower lobes on a computed tomographic scan of the thorax. Serologic tests and … Continue reading
A 53-year-old man presented with a 4-week history of bilateral retrobulbar headache and blurred vision
Question A 53-year-old man presented with a 4-week history of bilateral retrobulbar headache and blurred vision What is the diagnosis? Central retinal artery occlusion Diabetic papillopathy Ocular toxoplasmosis Optic neuritis Malignant hypertension Created by USMLE PlAB MCQ
A woman presented with a 10-month history of intermittent discomfort in the right upper abdom
Question A 44-year-old woman presented with a 10-month history of intermittent discomfort in the right upper abdomen. On physical examination, a mass filling the epigastrium and the right subcostal region was noted, What is the diagnosis? Amebic liver abscess Diffuse bilioma Echinococcosis Hepatocellular carcinoma Polycystic liver disease Created by USMLE PlAB MCQ
This 81-year-old woman presented with swelling and pain in the left foot a week after treatment for acute bronchitis.
Question This 81-year-old woman presented with swelling and pain in the left foot a week after treatment for acute bronchitis. Which one of the following treatments is most likely to have been contributory? Beta-adrenergic agonist Cephalosporin antibiotic Leukotriene receptor antagonist Guaifenesin expectorant Fluoroquinolone antibiotic Created by USMLE PlAB MCQ
A 66-year-old man presented with multiple blisters
Question A 66-year-old man presented with multiple blisters was seen on the patient’s trunk What is the most likely diagnosis? Cutaneous T-cell lymphoma Eosinophilic folliculitis Impetigo Pustular rosacea Subcorneal pustular dermatosis Created by USMLE PlAB MCQ
These lesions became more evident after the skin was illuminated with Wood’s light.
Question A 58-year-old woman presented with white facial patches that had progressively increased in size during a period of several months. She had no other illnesses.These lesions became more evident after the skin was illuminated with Wood’s light. What diagnosis is suggested? Pityriasis rosea Melanoma Tuberous sclerosis Psoriasis Vitiligo Created by USMLE PlAB … Continue reading
A 21-year-old healthy man presented to the emergency department with mouth pain and bleeding,
Question A 21-year-old healthy man presented to the emergency department with mouth pain and bleeding, after being struck with a gun on his right lower jaw. . What is the diagnosis? Dental abscess Neurofibromatosis type 1 Cleft jaw Hemiatrophy syndrome Mandibular fracture Created by USMLE PlAB MCQ
This technetium-99m sulfur colloid scan was performed after the patient presented with abdominal pain. Howell-Jolly bodies were present on a peripheral-blood smear
Question A healthy, 23-year-old, nulliparous woman presented with lower abdominal pain, which she reported having had intermittently for the previous year. She had no other symptoms of gastrointestinal distress. This technetium-99m sulfur colloid scan was performed after the patient presented with abdominal pain. Howell-Jolly bodies were present on a peripheral-blood smear. What is the … Continue reading
