MASTER THE BOARDS USMLE STEP 2CK – HEMATOLOGY|QUESTIONS WITH CORRECT ANSWERS

All forms of anemia can present with identical symptoms if they have the same _____ Correct Answer Hematocrit Symptoms of anemia are generally based not on the etiology, but on the _____ Correct Answer Severity of disease With anemia, you cannot answer the "what is the most likely diagnosis?" question simply from _____ Correct Answer Symptoms Best initial diagnostic test in the evaluation of anemia Correct Answer CBC Expected symptoms for *hematocrit of > 30-35%* Correct Answer None Expected symptoms for *hematocrit of 25-30%* Correct Answer - Dyspnea (worse on exertion) - Fatigue Expected symptoms for hematocrit of 20-25% Correct Answer - Lightheadedness - Angina Expected symptoms for hematocrit of < 20-25% Correct Answer - Syncope - Chest pain Ultimately, _____ from anemia proves fatal Correct Answer Cardiac ischemia Mycocytes in the heart cannot distinguish between Correct Answer Conditions that result in ↓ O2 delivery to tissues: - Anemia - Hypoxia - Coronary artery disease - Carbon monoxide poisoning _____ establishes the presence of anemia Correct Answer CBC First clue to etiology of anemia Correct Answer MCV Causes of low MCV Correct Answer - Iron deficiency - Thalassemia - Sideroblastic anemia - Anemia of chronic disease