What happens during the platelet plug formation step of coagulatioin?
Injury to lining of vessel exposes collagen fibners; platelets adhere. Platelets release chemicals that make nearby paltelets stick, which forms platelet plug
Which blood type are universal recipients? WHY?
AB; No plasma antibodies (agglutinins)
Which blood types are universal donors? WHY?
Type O; No AB antigens (agglutinogens)
One molecule of hemoglobin can bind a maximum of _____ oxygen molecules.
A patient who lacks intrinsic factor would likely develop:
C) pernicious anemia
Which WBC is highly phagocytic cell with a "U" shaped nucleus
Which WBC has Bilobed nucleus and dark-staining cytoplasmic granules ?
Overproduction of white blood cells is called _____.
Which of the following is true regarding the extrinsic pathway of blood clotting?
A. The extrinsic pathway does not involve calcium ions.
B. The extrinsic pathway is independent of procoagulants.
C. The extrinsic pathway is slower than the intrinsic pathway of blood clotting.
D. The extrinsic pathway is triggered by tissue factor.
The extrinsic pathway is triggered by tissue factor.
What Converts fibrinogen to fibrin ?
What is Fibrin-digesting enzyme?
What Stimulates blood vessel healing ?
Platelet-derived growth factor
Blood type is determined by:
A. antibodies present on the surface of erythrocytes.
B. glycoproteins present in the plasma.
C. antibodies present in the plasma.
D. glycoproteins present on the surface of erythrocytes.
glycoproteins present on the surface of erythrocytes.
Hemolytic disease of the newborn (HDN) can develop when an Rh+ woman is pregnant with an Rh- baby.
What blood type Would make antibodies to the A agglutinogen but not the B agglutinogen?
Person with type B blood
What blood type Would make antibodies to the B agglutinogen but not the A agglutinogen ?
Person with type A blood
What blood type Would have type A and B agglutinogens ?
What blood type Would make antibodies to the A and B agglutinogens ?