1.3 Flashcards

1
Q

The osmotic fragility test result in a patient with thalassemia major would most likely be:

A. Increased
B. Decreased
C. Normal
D. Decreased after incubation at 37°C

A

B. Decreased

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2
Q

All of the following are characteristic findings in a patient with iron deficiency anemia except:

A. Microcytic, hypochromic red cell morphology
B. Decreased serum iron and ferritin levels
C. Decreased total iron-binding capacity (TIBC)
D. Increased RBC protoporphyrin

A

C. Decreased total iron-binding capacity (TIBC)

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3
Q

Iron deficiency anemia may be distinguished from anemia of chronic infection by:

A. Serum iron level
B. Red cell morphology
C. Red cell indices
D. Total iron-binding capacity

A

D. Total iron-binding capacity

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4
Q

Which anemia has red cell morphology similar to that seen in iron deficiency anemia?

A. Sickle cell anemia
B. Thalassemia syndrome
C. Pernicious anemia
D. Hereditary spherocytosis

A

B. Thalassemia syndrome

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5
Q

Iron deficiency anemia is characterized by:

A. Decreased plasma iron, decreased % saturation, increased total iron-binding capacity (TIBC)
B. Decreased plasma iron, decreased plasma ferritin, normal RBC porphyrin
C. Decreased plasma iron, decreased % saturation, decreased TIBC
D. Decreased plasma iron, increased % saturation, decreased TIBC

A

A. Decreased plasma iron, decreased % saturation, increased total iron-binding capacity (TIBC)

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6
Q

Storage iron is usually best determined by:

A. Serum transferrin levels
B. Hgb values
C. Myoglobin values
D. Serum ferritin levels

A

D. Serum ferritin levels

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7
Q

All of the following are associated with sideroblastic anemia except:

A. Increased serum iron
B. Ringed sideroblasts
C. Dimorphic blood picture
D. Increased RBC protoporphyrin

A

D. Increased RBC protoporphyrin

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8
Q

What is the basic hematological defect seen in patients with thalassemia major?

A. DNA synthetic defect
B. Hgb structure
C. β-Chain synthesis
D. Hgb phosphorylation

A

C. β-Chain synthesis

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9
Q

Which of the following is the primary Hgb in patients with thalassemia major?

A. Hgb D
B. Hgb A
C. Hgb C
D. Hgb F

A

D. Hgb F

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10
Q

A patient has an Hct of 30%, a hemoglobin of 8 g/dL, and an RBC count of 4.0 × 1012/L. What is the morphological classification of this anemia?

A. Normocytic normochromic
B. Macrocytic hypochromic
C. Microcytic hypochromic
D. Normocytic hyperchromic

A

C. Microcytic hypochromic

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11
Q

In which of the following conditions is Hgb A2 elevated?

A. Hgb H
B. Hgb SC disease
C. β-Thalassemia minor
D. Hgb S trait

A

C. β-Thalassemia minor

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12
Q

Which of the following parameters may be similar for the anemia of inflammation and iron deficiency anemia?

A. Normocytic indices
B. Decreased serum iron concentration
C. Ringed sideroblasts
D. Pappenheimer bodies

A

B. Decreased serum iron concentration

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