MMSC433 Exam 1 Questions And Full
Set Correct Solutions 2026 Update
In this disorder, target cells, stomatocytes, burr cells are present, "puddled"
hemoglobin, and the MCHC is increased with a decreased osmotic fragility.
A. Hereditary Elliptocytosis
B. Southeastern Asian Ovalocytosis
C. Hereditary Spherocytosis
D. Hereditary Xerocytosis - Ans--hereditary xerocytosis
All of the following are true regarding Erythropoietic Protoporphyria, except:
A. ferrocheletase is deficient
B. patients exhibit photosensitivity
C. inheritance is autosomal dominant
D. enzyme deficiency is Uroporphyrinogen III synthase - Ans--enzyme
deficiency is uroporphyrinogen III synthase
All of the following is true regarding folate deficiency, except:
A. Hgb is decreased
B. white blood cells are increased
C. RBC folate is decreased
D. neutrophils are hypersegmented - Ans--white blood cells are increased
All of the following is true regarding Stage 1 of iron deficiency, except:
A. serum ferritin levels are normal
B. serum ferritin levels are low
C. patients are devoid of symptoms of anemia
D. RBC development is normal - Ans--serum ferritin levels are normal
The test that is most useful in differentiating Fanconi's Anemia from other
causes of pancytopenia is:
A. bone marrow biopsy
B. flow cytometric analysis of CD55
C. Ham acidified serum test
, D. Diepoxybutane-induced chromosome breakage - Ans--diepoxybutane-
induced chromosome breakage
All of the following are associated with sideroblastic anemia except:
A. increased red cell protoporphyrin
B. dimorphic blood picture
C. ringed sideroblasts
D. increased serum iron - Ans--increased red cell protoporphyrin
Plasmodium ovale typically invades only:
A. prorubricytes
B. reticulocytes
C. metarubricytes
D. rubriblasts - Ans--reticulocytes
Which of the following stains blue with Prussian blue stain?
A. apoferritin
B. ferritin
C. transferrin
D. hemosiderin - Ans--hemosiderin
How are malaria parasites identified in the hematology laboratory?
A. thick and thin peripheral blood smears
B. blood cultures
C. PCR
D. indirect fluorescent test - Ans--thick and thin peripheral blood smears
Why is G6PD important for normal red cell survival?
A. alpha chains are produced in excess in absence
B. hemoglobin oxygen affinity is increased in its absence
C. it is required for insertion of iron into the protoporphyrin ring to form heme
D. it is required to regenerate reduced glutathione - Ans--it is required to
regenerate reduced glutathione
Which of the following are most characteristic of red cell indices associated
with megaloblastic anemias?
A. MCV 62 fL, MCH 27 pg, MCHC 30%
B. MCV 78 fL, MCH 23 pg, MCHC 30%
Set Correct Solutions 2026 Update
In this disorder, target cells, stomatocytes, burr cells are present, "puddled"
hemoglobin, and the MCHC is increased with a decreased osmotic fragility.
A. Hereditary Elliptocytosis
B. Southeastern Asian Ovalocytosis
C. Hereditary Spherocytosis
D. Hereditary Xerocytosis - Ans--hereditary xerocytosis
All of the following are true regarding Erythropoietic Protoporphyria, except:
A. ferrocheletase is deficient
B. patients exhibit photosensitivity
C. inheritance is autosomal dominant
D. enzyme deficiency is Uroporphyrinogen III synthase - Ans--enzyme
deficiency is uroporphyrinogen III synthase
All of the following is true regarding folate deficiency, except:
A. Hgb is decreased
B. white blood cells are increased
C. RBC folate is decreased
D. neutrophils are hypersegmented - Ans--white blood cells are increased
All of the following is true regarding Stage 1 of iron deficiency, except:
A. serum ferritin levels are normal
B. serum ferritin levels are low
C. patients are devoid of symptoms of anemia
D. RBC development is normal - Ans--serum ferritin levels are normal
The test that is most useful in differentiating Fanconi's Anemia from other
causes of pancytopenia is:
A. bone marrow biopsy
B. flow cytometric analysis of CD55
C. Ham acidified serum test
, D. Diepoxybutane-induced chromosome breakage - Ans--diepoxybutane-
induced chromosome breakage
All of the following are associated with sideroblastic anemia except:
A. increased red cell protoporphyrin
B. dimorphic blood picture
C. ringed sideroblasts
D. increased serum iron - Ans--increased red cell protoporphyrin
Plasmodium ovale typically invades only:
A. prorubricytes
B. reticulocytes
C. metarubricytes
D. rubriblasts - Ans--reticulocytes
Which of the following stains blue with Prussian blue stain?
A. apoferritin
B. ferritin
C. transferrin
D. hemosiderin - Ans--hemosiderin
How are malaria parasites identified in the hematology laboratory?
A. thick and thin peripheral blood smears
B. blood cultures
C. PCR
D. indirect fluorescent test - Ans--thick and thin peripheral blood smears
Why is G6PD important for normal red cell survival?
A. alpha chains are produced in excess in absence
B. hemoglobin oxygen affinity is increased in its absence
C. it is required for insertion of iron into the protoporphyrin ring to form heme
D. it is required to regenerate reduced glutathione - Ans--it is required to
regenerate reduced glutathione
Which of the following are most characteristic of red cell indices associated
with megaloblastic anemias?
A. MCV 62 fL, MCH 27 pg, MCHC 30%
B. MCV 78 fL, MCH 23 pg, MCHC 30%
