单选题巨幼细胞性贫血MCV、MCH、MCHC的改变通常是（ ）。AMCV增高、MCH增高、MCHC增高BMCV增高、MCH增高、MCHC正常CMCV减低、MCH增高、MCHC正常DMCV减低、MCH减低、MCHC正常EMCV减低、MCH减低、MCHC减低
单选题
巨幼细胞性贫血MCV、MCH、MCHC的改变通常是（ ）。
A
MCV增高、MCH增高、MCHC增高
B
MCV增高、MCH增高、MCHC正常
C
MCV减低、MCH增高、MCHC正常
D
MCV减低、MCH减低、MCHC正常
E
MCV减低、MCH减低、MCHC减低
参考解析
解析：
巨幼细胞贫血时平均红细胞体积增大，平均血红蛋白含量增高，但血红蛋白浓度正常。
巨幼细胞贫血时平均红细胞体积增大，平均血红蛋白含量增高，但血红蛋白浓度正常。
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