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  3. thrombopoiesis is the production of platelets which of the following...

Question: thrombopoiesis is the production of platelets which of the following...

Question details
  1. Thrombopoiesis is the production of platelets. Which of the following hematopoietic cell types do platelets form from?

    A.

    Lymphocytes

    B.

    Megakaryocytes

    C.

    Neutrophils

    D.

    Monocytes

    E.

    Both B and D

    F.

    Both A and D

1 points   

QUESTION 2

  1. Coagulation, also known as blood clotting, requires the activation of a vast number of clotting enzymes. Which of the following clotting enzymes is responsible for the cleavage of fibrinogen (inactive) to fibrin (active)?

    A.

    Plasmin

    B.

    Factor XII

    C.

    Thromboplastin

    D.

    Thrombin

    E.

    None of the above

1 points   

QUESTION 3

  1. Following a laceration, there are three major steps that occur that cause the cessation of bleeding. Please put them in the correct order from when the first one starts to when the last one starts.

          -       1.       2.       3.      

    Coagulation


          -       1.       2.       3.      

    Platelet Plug Formation


          -       1.       2.       3.      

    Vascular Spasm

1.5 points   

QUESTION 4

  1. Von Willebrand factor is responsible for preventing the platelets from sticking to the walls of undamaged blood vessels.

    True

    False

0.5 points   

QUESTION 5

  1. Which of the following layers of the heart is the most superficial?

    A.

    Myocardium

    B.

    Fibrous Pericardium

    C.

    Endocardium

    D.

    Parietal Pericardium

1 points   

QUESTION 6

  1. Which of the following valves does the blood flow through as it leaves the left ventricle?

    A.

    Bicuspid (Mitral Valve) AKA Right atrioventricular valve

    B.

    Tricuspid Valve AKA Left atrioventricular valve

    C.

    Aortic semilunar valve

    D.

    Pulmonary semilunar valve

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