Question | Answer |
What percentage of hemoglobin is synthesized in the reticulocyte stage? | 35% |
Fetal hemoglobin consists of which of the following chains? | a2y2 |
What abnormal hemoglobins will result in a cyanotic condition? | Hemoglobin M |
What factors will result in an immediate increase on oxygen delivery to the tissues? | Increased 2,3-DPG |
What clinical condition is a definitive sign of intravascular lysis? | Hemoglobinuria |
Each hemoglobin molecule consists of _____ heme structures. | four (4) |
When iron is present in an oxidized state, as FE+3 or ferric iron, the resulting hemoglobin is known as: | Methemoglobin |
Hemoglobin begins to be synthesized at the polychromatophilic stage of red cell development. | True |
90% of in vivo hemolysis is intravascular. | False |
What hemoglobin is an embryonic hemoglobin? | Hgb Gower |
How many total genes does a person possess for the production of alpha chains? | Four |
Name one condition that may shift the OD curve to the left: | Inheriting a high oxygen affinity hemoglobin |
If polychromasia is increased in the peripheral smear, the _____ should be elevated. | Reticulocyte count |
If 2,3-DPG increases, the hemoglobin molecule releases more oxygen. This is known as a _____ OD curve. | Right-shifted |
What statement regarding 2,3-DPG is correct? | It controls hemoglobin affinity for oxygen |
When iron in the hemoglobin molecule is in the ferric (Fe 3+) state, hemoglobin is termed: | Methemoglobin |
What percent of hemoglobin is synthesized in the reticulocyte stage? | 35% |
Epsilon and zeta chains are part of which of the hemoglobins? | Hgb Portland |
Fetal hemoglobin consists of what chains? | a2y2 |