RBC Abnormalities: Anisocytosis

Question 1

Anisocytosis refers to the RBC variation in

Answer 1

Cell size

Question 2

an index of variation of cell volume; correlates with degree of anisocytosis

Answer 2

RDW (Red Cell Distribution Width)

Question 3

RDW is expressed numerically with COEFFICIENT VARIATION PERCENTAGE; normal range of

Answer 3

11.5 - 14.5%

Question 4

RDW is calculated by

Answer 4

(SD / Mean of RBC size distribution) x100

Question 5

Normal sized RBC 6-8 um ;
MCV 80-100 fL

Answer 5

Normocytic RBC

Question 6

Normocytic RBC are seen in patients with

Answer 6

AHA
Acute Blood Loss
Hemolytic Anemia
Aplastic Anemia

Question 7

Characterized with Small RBC <6 um and MCV of <80 fL

Answer 7

Microcytic RBC

Question 8

Microcytic RBC are seen in patient with

Answer 8

ATIS

Anemia of Chronic Inflammation
Thalassemia
Iron Deficiency Anemia
Sideroblastic Anemia

Question 9

Characterized with >8 um RBC and MCV of >100 fL

Answer 9

Macrocytic RBC

Question 10

Megaloblastic Anemia
Myelodysplastic Anemia
Bone Marrow Failure
Chronic Liver Disease
Reticulocytosis

are seen in anisocytic patien’s characterized with

Answer 10

Macrocytic Anemia