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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 {"dropdown-group-1":"B"}

Explanation

A. Minutes: This is too short a timeframe for warfarin's effect. It takes longer for the body's existing clotting factors to be depleted.

B. Days: This medication works by inhibiting the production of vitamin K-dependent clotting factors in the liver. As existing clotting factors are used up and new ones aren't produced as efficiently, it takes time for the anticoagulant effect to become significant.

C. Weeks: While the full effect might take some time (around 3-5 days), several weeks is an overestimation for most patients.

D. Hours: A few hours might show some initial effect, but it's not enough time for a substantial anticoagulant effect. It usually takes at least a day or two.

Correct Answer is D

Explanation

A. Temperature of 100.8 Degrees Fahrenheit (38.2 Degrees Celsius): Fever can indicate a potential adverse reaction to the medication or may be a sign of infection, which could complicate the patient's condition. While a fever can be a sign of an infection, it's not a typical adverse effect for alteplase

B. Skin rash with urticaria: Skin rash and urticaria (hives) can indicate an allergic reaction to alteplase. Allergic reactions can range from mild to severe and may necessitate discontinuation of the medication and administration of appropriate treatment, such as antihistamines or corticosteroids, depending on the severity of the reaction but it's less common than bleeding.

C. Wheezing with labored breathing: Wheezing and labored breathing can indicate a severe allergic reaction or anaphylaxis to alteplase but again, bleeding is a more prominent concern.

D. Bruising and epistaxis: Alteplase increases the risk of bleeding due to its thrombolytic activity. Bruising and epistaxis (nosebleeds) are common manifestations of bleeding associated with alteplase therapy. Monitoring for these signs helps detect potential bleeding complications early, allowing for prompt intervention to minimize further bleeding and manage the patient's condition appropriately.

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