Blood Test Review

Hemolysis, or blood cell rupture, is most likely to occur when

• an Rh- person receives the first transfusion of blood that is Rh positive
• an Rh+ mother gives birth to her first Rh- baby
• any person receives blood type O during a transfusion
• an Rh- person receives the second transfusion of blood that is Rh positive

A clot that breaks away from a vessel and circulates in the bloodstream to other areas of the body is

• an embolus
• a fibrin mesh
• a thrombus
• hemoglobin molecule

Which of the following is NOT true of plasma?

• it is 90% water
• nutrients from food are the most abundant component
• it helps distribute body heat
• carries over 100 dissolved substances

In a centrifuged blood sample,

• the plasma settles to the bottom
• the formed elements make up about 60% of the sample
• the buffy coat contains the leukocytes and platelets
• the top layer is mostly white blood cells

Which of the following is NOT a step in hemostasis?

• platelet plug formation
• formation of fibrin net
• vascular spasms
• release of more hemocytoblasts

The ratio of red blood cells to total blood volume

• agglutination

• hematocrit

• hemocytoblast

• karyotype

The liquid component of the blood

• buffy coat

• red blood cells

• plasma

• pus

Genetic disorder in which blood does not properly clot

• hemophilia

• hematopoiesis

• anemia

• leukemia

The process of engulfing and destroying foreign substances

• hemocytoblast

• hemostasis

• pinocytosis

• phagocytosis

Type of stem cell from which all blood cells are formed

• hematocrit

• hemocytoblast

• antigen

• leukocyte