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NBME 23 Answers

nbme23/Block 4/Question#31

A 32-year-old man who lives at sea level travels to ...


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A normoblast is an immature RBC, so it's elevated in states of increased hematopoiesis.

sympathetikey  Don't mind me. Just sippin my dumb ass soda over here. +25  
someduck3  The term "Normoblast" isn't even in first aid. +17  
link981  NBME testing your knowledge of synonyms. Have to know 15 descriptive words of the same thing I guess. +7  
tinydoc  I wish they would stop making it so every other question I know the answer and I can't find it among the answer choices because they decided to use some medical thesaurus on us. +9  
qball  Metamyelocytes = Precursor to neutrophils Siderophages = hemosiderin-containing macrophage aka heart failure cells +3  
llamastep1  Theres a UWorld question about Parvovirus B19 that mentions "giant pronormoblasts" that helped me make the connection +  

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submitted by whoissaad(39),

Several names are used for nucleated RBCs—erythroblast, normoblast, and megaloblast—with one minor variation in word sense. The name normoblast always refers to normal, healthy cells that are the immediate precursors of normal, healthy, mature (anucleate) RBCs. The name megaloblast always refers to abnormally developed precursors. Often the name erythroblast is used synonymously with normoblast.

From all the things they could test us on... :)