An increased red cell distribution width (RDW) usually indicates what abnormality?
A) Increase of average erythrocyte volume
B) Increase of average weight of hemoglobin
C) Decrease in ratio of hemoglobin mass to volume
D) Variation in erythrocyte size

Question

Quizplus · Accepted Answer

RDW indicates the variation in erythrocyte size, with an increased RDW indicating a greater variation in size among red blood cells. A normal RDW is typically between 11.5% and 14.5%. An elevated RDW may indicate various conditions, such as vitamin deficiencies, iron deficiency anemia, or hemolytic anemia.

An Increased Red Cell Distribution Width (RDW) Usually Indicates What