26. How many different phenotypes are there in the ABO system?
6
3
4
8
4
46. The extrinsic pathway is often referred to as the?
Blood pathway
Tissue pathway
Coagulation pathway
Common pathway
Tissue pathway
48. Which of the following is the first mechanism of hemostasis?
Conversion of fibrinogen to firbrin and formation of fibrin clot
Aggregation of platelets into a platelet plug
Conversion of plasminogen to plasmin
Contraction of the vascular wall's smooth muscle
Contraction of the vascular wall's smooth muscle
49. The common pathway should end with which of the following?
Conversion of Factor ll into fibrin
Conversion of Factor l into thrombin
Vascular constriction and the formation of a platelet plug
Formation of a fibrin clot
Formation of a fibrin clot
51. The blood disorder characterized by an increased platelet count that increases the risk of unwanted clot formation and possibility of stroke is called?
Disseminated intravascular coagulation
Thrombocytopenia
Hemophilia
None of the above
None of the above
47. The extrinsis pathway starts by the activation of which coagulation factor?
Factor llX
Factor X
Factor Xll
Factor Vll
Factor Vll
27. A person with type 'O' blood will have what antibodies?
Neither A nor B antibodies
Antibodies A and B
Antibodies B
Antibodies A
Antibodies A and B
43. The largest percentage in a WBC differential should be?
Basophil
Neutrophil
Eosinophil
Lymphocyte
Neutrophil
44. Which of the following is an agranular leukocyte?
Megakaryocyte
Lymphocyte
Neutrophil
Reticulocyte
Lymphocyte
50. Factor ll is commonly referred to as what?
Hageman factor
Stewart-Prower factor
Fibrinogen
Prothrombin
Prothrombin
38. Hemoglobin can be found within what part of an erythrocyte?
Nucleus
Cytoplasm
Hemosiderin
Plasma proteins
Cytoplasm
39. Which of the following is TRUE about leukocytes?
Contains a nucleus
Help stop bleeding by forming a clot
Cytoplasm contains hemoglobin
Live for 8-11 days
Contains a nucleus
28. The process used to make sure a donors blood that will be transfused is compatible with a recipients blood is called?
Autologous
Transfusion
Donor screening
Cross matching
Cross matching
41. The life span of a thrombocyte is:
120 days
8-11 days
4 days
1-8 hours
8-11 days
What leukocyte has dark granules that obscure the view of the nucleus?
Eosinophil
Monocyte
Neutrophil
Basophil
Basophil
36. Under the microscope a macrocyte RBC will appear:
Regular in size with large notches
Smaller that normal in size
Larger that normal in size
Flat with a deep red center
Larger that normal in size
Normal erythrocytes are:
Spherocytes
Biconcave
Ovalcytes
Anisocytes
Biconcave
37. The liquid portion of the whole bold is called:
Water
Serum
Fibrinogen
Plasma
Plasma
29. Patients with severe anemia will require a transfusion of?
Whole blood
Plasma
Platelets
Packed red blood cells
Packed red blood cells
42. Thrombocytes are important for:
Hemopoiesis
Immunity
Homeostasis
Hemostasis
Hemostasis
31. Anemia may be characterized by:
Abnormally low PCV
Decrease in hemoglobin
Erythrocytopenia
All of the above
All of the above
32. Which of the following is NOT a characteristic of blood?
Average pH of 6.35- 6.45
Slightly alkaline
Temperature of approximately 100.4
Fundamental to hemostasis
Average pH of 6.35- 6.45
Which of the following is NOT a structural component to an erythrocyte?
Cytoplasm
Hemoglobin
Plasma membrane
Nucleus
Nucleus
40. Monocytes:
Are the most common WBC's
Are agranulocytic WBC's
Have a 3-4 lobed nucleus
Are the smallest WBC's
Are agranulocytic WBC's
The most common blood type is?
O(-)
AB(-)
AB(+)
O(+)
O(+)