Lack of intrinsic factor (pernicious anemia) Intestinal malabsorption (eg, Crohn disease) Pancreatic insufficiency Answer Vitamin B12 (Cobalamin) Deficiency Impaired intestinal absorption of vitamin B12į. Decreased release of iron from macrophages due to chronic inflammationĮ. Complement mediated destruction of red blood cellsĬ. Which of the following is the most likely cause of this patient’s anemia?ī. Laboratory studies performed at that time show persistent anemia with a serum hemoglobin of 9.5 g/dL. The patient is prescribed oral vitamin B12 supplementation and advised to return to the clinic for follow-up in 1 month. Her vital signs are within normal limits. She rarely drinks alcohol and denies tobacco use. She eats a balanced diet that includes chicken, fish, pork, fruits, and vegetables.
She is married and lives with her husband. She has a history of Crohn disease and hypertension for which she receives appropriate medications. She used to walk 1 mile each evening but now gets tired after 1-2 blocks. First Step 1 Sample Question: AnemiaĪ 65-year-old woman presents to the office with generalized fatigue for the last 4 months.
Usmle step 3 practice questions free trial#
As a supplement to our thorough answer explanations, TrueLearn Insights provide added value not available from any other USMLE question bank.įor thousands of other high-yield practice questions, along with exam-focused answer explanations, summary tables, figures, Bottom Line statements, and references-plus more exclusive TrueLearn Insights- order a free trial today. Inspired by our authors’ own experience studying and tutoring for Step 1, they address common student struggles through detailed insider advice. TrueLearn Insights are where our expert author team provides Step-wise strategies and tables to help you master the exam. Finally, each question also includes a unique TrueLearn Insight. Each question is followed by an authoritative answer explanation, complete with rich visuals, a focused Bottom Line statement, and supporting references (including page numbers from First Aid for the USMLE Step 1). The following three USMLE Step 1 sample questions from TrueLearn’s SmartBank test some of the high-yield material you’re sure to see on exam day.
0 kommentar(er)
