Hem/Onc Quiz #15: Iron Metabolism and Disorders

1. A 3-year-old boy is brought to the clinic by his parents who are concerned about his pica and fatigue. Laboratory tests reveal hemoglobin of 9 g/dL, MCV of 70 fL, and serum ferritin of 12 ng/mL. Which of the following is the most likely cause of this patient's anemia? 

Question 1 of 5

2. A 25-year-old woman with a history of heavy menstrual bleeding presents with fatigue and weakness. Laboratory findings include a hemoglobin of 10 g/dL, serum iron of 40 μg/dL (low), total iron-binding capacity (TIBC) of 600 μg/dL (high), and ferritin of 15 ng/mL (low). Which of the following best explains these laboratory findings? 

Question 2 of 5

3. A 55-year-old male with a history of type 2 diabetes mellitus and joint pain presents with a skin biopsy showing increased skin pigmentation. Serum tests reveal a ferritin level of 1000 ng/mL. Which of the following conditions is most likely associated with these findings? 

Question 3 of 5

4. A patient presents with fatigue and an angular stomatitis. Laboratory findings show a hemoglobin of 12 g/dL, serum iron of 100 μg/dL, TIBC of 300 μg/dL, and ferritin of 200 ng/mL. Which of the following is the most likely diagnosis? 

Question 4 of 5

5. A 60-year-old man is diagnosed with primary hemochromatosis. Which of the following genetic mutations is most commonly associated with this condition? 

Question 5 of 5


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