MRCP UK EXAMINATIONS

NEUROLOGY

SURGERY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The process of stopping bleeding from a severed blood vessel
A
Erythrocyte
B
Lymphocytes
C
Hemostasis
D
Plasminogen
Explanation: 

Detailed explanation-1: -Hemostasis is the mechanism that leads to cessation of bleeding from a blood vessel. It is a process that involves multiple interlinked steps. This cascade culminates into the formation of a “plug” that closes up the damaged site of the blood vessel controlling the bleeding.

Detailed explanation-2: -Hemostasis is your body’s natural reaction to an injury that stops bleeding and repairs the damage. This capability is usually for your benefit, conserving blood and preventing infections.

Detailed explanation-3: -Coagulation (or clotting) is the process through which blood changes from a liquid and becomes thicker, like a gel. Coagulation is part of a larger process called hemostasis, which is the way that the body makes bleeding stop when it needs to.

Detailed explanation-4: -Primary hemostasis is the formation of a weak platelet plug which is achieved in four phases: vasoconstriction, platelet adhesion, platelet activation, and platelet aggregation. Vasoconstriction is the initial response whenever there is vessel injury.

Detailed explanation-5: -Hemostasis is the physiological process by which bleeding ceases. Hemostasis involves three basic steps: vascular spasm, the formation of a platelet plug, and coagulation, in which clotting factors promote the formation of a fibrin clot. Fibrinolysis is the process in which a clot is degraded in a healing vessel.

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