Once the OR team has assembled Mrs. Helen in the room, the circulating nurse calls for a timeout. What safety action should the nurse take during the timeout? 

List two hemolytic anemias due to extracorpuscular defects?

Explain the differences in hemoglobin composition between a normal adult and a patient with beta thalassemia major. 

Which clinical feature would not suggest an acute hemolytic transfusion reaction?

An indicator of a hemolytic state has an RPI that is greater than:

Which of the following does not represent hereditary intracorpuscular defects?

Oxidation of hemoglobin causes progressive precipitation of irreversibly denatured hemoglobin. What does this form?

In the case of partial phagocytosis, the red cell membrane reforms to form what type of red cell?

A Donath–Landsteiner test is performed to determine the presence of antibodies with biphasic activity. The results show no hemolysis in the control sample and hemolysis in the test sample. These test results should be reported as:

Which of the following red cell inclusions may be seen in the RBCs of patients with sickle cell anemia as a result of rapid RBC turnover and “stressed” erythropoiesis?