APPLIED RADIOLOGICAL ANATOMY

ANATOMY

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The 3 steps to hemostasis are
A
vascular spasms, platelet plug formation, clot retraction and repair
B
clot retraction and repair, spasms, fibrinolysis
C
vascular spasms, platelet plug formation, coagulation
D
fibrinolysis, vascular spasms, coagulation
Explanation: 

Detailed explanation-1: -1) Constriction of the blood vessel. 2) Formation of a temporary “platelet plug.” 3) Activation of the coagulation cascade.

Detailed explanation-2: -Platelet plug formation. The platelet plug formation is the second step of hemostasis. It occurs after vasoconstriction. During the process, platelets begin to accumulate, or aggregate, on the damaged vessel wall.

Detailed explanation-3: -During hemostasis, a brief spasm of vasoconstriction occurs, which slows blood flow into the injured area while the clot forms. Vasoconstriction during hemostasis: Blood vessel experiencing vasoconstriction as its smooth muscle contracts while the blood clot forms.

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