USMLE GIT module Flashcards
A 68-year-old woman comes to her physician with tooth pain and dry mouth. She reports a frequent feeling of “cotton mouth” and tooth pain that has prevented her from consuming her normal daily diet for the past 2 weeks. She has a history of rheumatoid arthritis. Her medications include methotrexate and a daily multivitamin. Her temperature is 36.9°C (98.4°F), and blood pressure 118/73 mm Hg. On examination, there is symmetric bilateral parotid gland swelling.
Which of the following is the most likely diagnosis?
Age-related sicca syndrome
7%
Cryoglobulinemic vasculitis
2%
Parotid adenoma
8%
Salivary gland lymphoma
5%
Sjögren syndrome
A 15-year-old boy is brought to the emergency department because of severe abdominal pain. The pain was initially periumbilical and dull but became acutely sharp in his right lower abdomen. He denies recent trauma or ingestion of undercooked food. Physical examination reveals that the patient is diaphoretic and in significant distress. Laboratory results show hemoglobin of 14.6 g/dL, mean corpuscular volume of 89 μm³, leukocyte count of 15,000/mm³, and platelet count of 350,000/mm³.
Which of the following is the most likely cause of his pain?
A male infant born at full term is evaluated immediately after birth. He fails to cry. The physician notices very weak breath sounds on auscultation of the left lung. Physical examination of the patient reveals a barrel-shaped chest, scaphoid abdomen, and presence of bowel sounds on the left side of the thorax. An x-ray of the chest is shown.
Which of the following additional abnormalities are most likely in this patient?
Coarctation of aorta
6%
Duodenal atresia
12%
Elevated mean pulmonary artery pressure
35%
Renal agenesis
28%
Tracheoesophageal fistula
