What is the role of thromboxane A (TXA2) in the secretion stage of hemostasis?
A) Thromboxane A (TXA2) stimulates the synthesis of serotonin.
B) Thromboxane A (TXA2) promotes vasodilation.
C) Thromboxane A (TXA2) stimulates platelet aggregation.
D) Thromboxane A (TXA2) promotes formation of cyclooxygenase.
Correct Answer:
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Q22: What is the life span of platelets?
A)10
Q35: Where are mature erythrocytes removed from the
Q37: _ is used to correct the chronic
Q38: What is the role of nitric oxide
Q39: Which blood cells are produced when stem
Q40: Match the descriptions with the corresponding terms.
-Endomitosis
A)Clotting
B)Red
Q41: Match the descriptions with the corresponding terms.
-Erythropoiesis
A)Clotting
B)Red
Q42: Match the macrophage to its location.
-Lung
A)Kupffer's cells
B)Alveolar
Q43: Match the macrophage to its location.
-Kidney
A)Kupffer's cells
B)Alveolar
Q45: Match the macrophage to its location.
-Liver
A)Kupffer's cells
B)Alveolar
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