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is the stopping of blood flow, an essential mechanism protecting the body from both external and internal injury.
Answer and Explanation

The Correct Answer is {"dropdown-group-1":"A","dropdown-group-2":"A"}

a.            Hemostasis: Hemostasis refers to the process of stopping bleeding or preventing excessive blood loss. It involves several steps, including vasoconstriction, platelet aggregation, and clot formation. Hemostasis is the correct answer because it directly addresses the stopping of blood flow to protect the body from injury.

b.            Thrombolytics: Thrombolytics are medications used to dissolve blood clots. They are not the natural mechanism for stopping blood flow. Thrombolytics are not the correct answer in this context.

c.             Hematopoiesis: Hematopoiesis is the process of forming blood cells (including red blood cells, white blood cells, and platelets) in the bone marrow. It is essential for maintaining blood cell populations but does not directly stop blood flow. Hematopoiesis is not related to stopping blood flow.

d.            Anticoagulation: Anticoagulation refers to preventing blood clot formation. While it is important for certain medical conditions, it does not directly stop blood flow. Anticoagulation is not the primary mechanism for stopping bleeding.


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Related Questions

Correct Answer is D

Explanation

A. Fish oil: While fish oil has some evidence for reducing inflammation, the evidence for its effectiveness in treating arthritis is mixed.

B. DHEA: DHEA is a hormone and there is not enough evidence to support its use for arthritis.

C. Garlic and soy: While garlic and soy have some general health benefits, there is no strong evidence they are effective for treating arthritis.

D. Chondroitin and glucosamine: These supplements are the most studied option for arthritis and some studies have shown they may provide modest pain relief, although the evidence is not conclusive.

Correct Answer is C

Explanation

  1. White Blood Cell Count (WBC): WBCs are part of the immune system and play a role in fighting infections. However, they are not directly involved in hemostasis or clot formation. WBCs do not adhere to the vessel wall during hemostasis.
  2. Activated Partial Thromboplastin Time (aPTT): aPTT measures the time it takes for blood to clot. It is primarily used to monitor heparin therapy, not warfarin. aPTT is not specific for warfarin monitoring.
  3. Prothrombin Time (PT): PT measures how quickly blood clots. It is used to monitor warfarin therapy and assess clotting factors. PT is essential for monitoring warfarin effectiveness.
  4. Platelet Count: Platelets are crucial for clot formation. Platelet count helps assess platelet function. Platelets play a direct role in hemostasis.

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