Chater 9 Flashcards
What happens to a red blood cell after it’s formed?
It enters circulation
It becomes macrophage
Which of the following is true concerning hemoglobin?
Hemoglobin is a complex protein
It contains iron
Is found in leukocytes
Is a solute in the cytoplasm of erythrocytes
A pregnant woman is Rh positive and the father is Rh negative. What will occur?
The baby should develop normally
A pregnant woman is Rh positive and the father is Rh negative. What will occur?
The baby should develop normally
Which mothers need to be worried about erythronlastosis fetalis?
Rh- mothers having Rh+ babies
What happens in hemostasis?
Fibrin becomes fibrinogen
Platelet plug formation usually occurs early in the process
Clotting factors activate other clotting factors to cause a reaction cascade
What is an embolus?
A moving, unnecessary clot
What role do white blood cells play in the various functions of the blood?
Protection
The formed elements in blood include all the following except
Plasma
All the following are leoukocytes except which one?
Thrombocytes
What blood test measures the percentage of erythrocytes to whole blood?
Hematocrit
How is blood type determined?
By the antigens on the blood cell’s surface
What is the most abundant component of plasma?
Water
What is hemopoiesis?
The production of blood cells.
How is blood type determined?
By mixing the serum of blood with different types of serum to see if affluent agglutination occurs.