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Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams
Edition 3ISBN: 978-0133076011Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams
Edition 3ISBN: 978-0133076011 Exercise 39
A patient has been previously diagnosed as being heterozygous for hemoglobin D. What is an important identifying characteristic of this hemoglobin variant? (Objective 7)
A) It migrates with HbS on hemoglobin electrophoresis at alkaline pH.
B) Sickled RBCs are typically observed on smears.
C) Hemoglobin electrophoresis at alkaline pH is needed for its separation from another common variant.
D) It causes severe hemolytic anemia with many target cells in heterozygotes.
A) It migrates with HbS on hemoglobin electrophoresis at alkaline pH.
B) Sickled RBCs are typically observed on smears.
C) Hemoglobin electrophoresis at alkaline pH is needed for its separation from another common variant.
D) It causes severe hemolytic anemia with many target cells in heterozygotes.
Explanation
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Hemoglobin (Hb) D is diagnosed in patien...
Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams
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