Podcast
Questions and Answers
What primary factors cause macrocytosis in megaloblastic anemias?
What primary factors cause macrocytosis in megaloblastic anemias?
Which of the following is not considered a drug that can cause macrocytosis?
Which of the following is not considered a drug that can cause macrocytosis?
What type of anemia is characterized by macrocytosis due to abnormal DNA metabolism?
What type of anemia is characterized by macrocytosis due to abnormal DNA metabolism?
Which vitamin deficiency is primarily associated with megaloblastic anemias?
Which vitamin deficiency is primarily associated with megaloblastic anemias?
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What is the main classification of macrocytic anemias?
What is the main classification of macrocytic anemias?
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Study Notes
Macrocytic Anemias
- Macrocytic anemias are categorized into megaloblastic and nonmegaloblastic types.
- Megaloblastic anemias result in macrocytosis.
- Macrocytosis in megaloblastic anemias stems from abnormal DNA metabolism due to vitamin B12 or folate deficiency.
- Various drugs can also cause macrocytosis, including hydroxyurea, zidovudine, cytosine arabinoside, methotrexate, azathioprine, 6-mercaptopurine, and cladribine.
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Description
This quiz covers macrocytic anemias, focusing on their classification into megaloblastic and nonmegaloblastic types. Learn about the causes of macrocytosis, specifically the impact of vitamin B12 and folate deficiencies, as well as the influence of various medications. Test your knowledge on this key aspect of hematology.
