Podcast
Questions and Answers
What time frame is considered normal for bleeding time?
What time frame is considered normal for bleeding time?
- 5-7 minutes
- 3-5 minutes
- 7-10 minutes
- 1-3 minutes (correct)
Which neurotransmitter is involved in inducing blood vessel contraction or convulsion?
Which neurotransmitter is involved in inducing blood vessel contraction or convulsion?
- Fibrinogen
- 5-hydroxytryptamine (5-HT) (correct)
- Thrombin sensitive protein
- Adenosine diphosphate (ADP)
What process can turn a loose platelet thrombus into a compact platelet thrombus?
What process can turn a loose platelet thrombus into a compact platelet thrombus?
- ATP release and ATPase activation
- Ca2+ release and cytoskeleton movement (correct)
- ADP binding to platelet receptors
- Fibrinogen aggregation on platelet surface
What is the role of activated platelets in hemostasis?
What is the role of activated platelets in hemostasis?
What is the first step in the process of hemostasis?
What is the first step in the process of hemostasis?
What is the shape of an activated platelet for hemostasis?
What is the shape of an activated platelet for hemostasis?
Which physiological factor induces thrombocyte aggregation in hemostasis?
Which physiological factor induces thrombocyte aggregation in hemostasis?
What is the average cubage of a platelet?
What is the average cubage of a platelet?
What is the normal concentration of platelets in the blood?
What is the normal concentration of platelets in the blood?
Which organelle is responsible for amplifying reaction to injury in platelets?
Which organelle is responsible for amplifying reaction to injury in platelets?
What is the composition of the peripheral zone of platelets?
What is the composition of the peripheral zone of platelets?
Which receptor in the peripheral zone of platelets serves as the receptor for vWF?
Which receptor in the peripheral zone of platelets serves as the receptor for vWF?
What is the function of the sol-gel zone in platelets?
What is the function of the sol-gel zone in platelets?
Where does thrombopoiesis occur?
Where does thrombopoiesis occur?
What is the role of the fibrinogen group in blood coagulation?
What is the role of the fibrinogen group in blood coagulation?
Which group of coagulation factors is not consumed during coagulation?
Which group of coagulation factors is not consumed during coagulation?
What characterizes the primary platelet plug in secondary hemostasis?
What characterizes the primary platelet plug in secondary hemostasis?
Which of the following is NOT a characteristic of blood clotting enzymes?
Which of the following is NOT a characteristic of blood clotting enzymes?
