MMSC423 Hematology Exam 1 (A+ Guaranteed) 2025/2026
ADP is secreted from the:
dense granules
beta granules
delta granules
alpha granules correct answers dense granules
Factor III is known as
prothrombin time
calcium
christmas factor
tissue factor correct answers tissue factor
Which of the following is true regarding the plasma coagulation zymogens?
- are haptens that induce peptide binding to make larger active molecules
- activation normally occurs throughout the tissues of the body when vascular injury occurs
- serine proteases that form complexes to activate other zymogens to ultimately generate
thrombin
- circulate normally in their active form correct answers serine proteases that form complexes to
activate other zymogens to ultimately generate thrombin
What reaction is essential in the production of vitamin K dependent coagulation factors?
reduction of tryptophan
oxidation of valine
gamma carboxylation of glutamic acid
dehydrogenation of leucine correct answers gamma carboxylation of glutamic acid
Another name for Factor X is:
Stuart-Prower
Christmas Factor
Fitzgerald Factor
Hagemen Factor correct answers Stuart-Prower
What happens to the fibrin monomers created when thrombin cleaves fibrinopeptides A and B
from fibrinogen?
digested quickly by tissue plasminogen activator
converted to plasminogen
immediately inactivated to prevent excess clotting
polymerized and are stabilized by FXIIIa correct answers polymerized and are stabilized by
FXIIIa
A tube of anticoagulated blood was centrifuged. After centrifugation which of the following
describes the correct sequence of layers from top to bottom of the tube?
buffy coat, plasma, red blood cells
buffy coat, red blood cells, plasma
