LEADIN TO INCREASED
ERYTHROCYTES DESCTUCTION
1. Cells with a slit (stomatocytes) instead of a round central pallor can be found in all of
the following except a. liver disease of alcoholism.
b. Rhnull disease.
c. hereditary elliptocytosis.
d. blood films with a drying artifact. - Correct answer-C
2. What red cell morphology is often seen in patients with uremia?
a. spherocytes
b. echinocytes
c. elliptocytes
d. stomatocytes - Correct answer-B
3. What red cell morphology is associated with abetalipoproteinemia, liver disease, and
McLeod blood group?
a. acanthocytes
b. stomatocytes
c. spherocytes
d. elliptocytes - Correct answer-D
4. Which of the following is normal in hereditary spherocytosis?
a. red cell morphology
b. direct antiglobulin test
c. osmotic fragility
d. reticulocyte count - Correct answer-
5. A patient with a previously compensated hereditary spherocytosis has a severe drop
in hemoglobin and reticulocyte count after a parvovirus infection. This represents what
type of crisis?
a. megaloblastic
b. hemolytic
c. aplastic
d. anemic - Correct answer-C
6. Which of the following can distinguish immune hemolytic anemia from hereditary
spherocytosis in a patient with spherocytes?
a. osmotic fragility