Circulatory System I: Anatomy and Phlebotomy
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Questions and Answers

What is the primary function of the circulatory system?

  • To collect blood for laboratory analyses
  • To enumerate the steps in blood coagulation
  • To differentiate between arteries and veins
  • To transport blood to all parts of the body (correct)

    • What is the term for the collection of blood from veins for laboratory analyses?

  • Antecubital fossa
  • Venepuncture (correct)
  • Phlebotomy
  • Blood coagulation

    • What is the name of the area where blood is commonly extracted for laboratory analyses?

  • Lymphatic vessels
  • Antecubital fossa (correct)
  • Heart
  • Circulatory system

    • What is the term for the collection of blood from the body for laboratory analyses?

    <p>Phlebotomy</p> Signup and view all the answers

    How many major components does the circulatory system consist of?

    <p>5</p> Signup and view all the answers

    What is another name for the circulatory system?

    <p>Cardiovascular system</p> Signup and view all the answers

    What is the primary function of the lymphatic system?

    <p>To provide a defense mechanism against disease and drain excess fluid from tissue spaces</p> Signup and view all the answers

    Which of the following is NOT a component of the cardiovascular system?

    <p>Liver</p> Signup and view all the answers

    Which valve does oxygenated blood pass through to enter the left ventricle?

    <p>Mitral valve</p> Signup and view all the answers

    Where does gas exchange occur in the lungs?

    <p>Alveoli</p> Signup and view all the answers

    What percentage of blood is typically composed of red blood cells?

    <p>55%</p> Signup and view all the answers

    Which of the following veins carries deoxygenated blood from the body to the right atrium?

    <p>Superior and inferior vena cava</p> Signup and view all the answers

    What is the function of the atria in the heart?

    <p>To receive blood from the veins</p> Signup and view all the answers

    What is the primary function of hemostasis in the body?

    <p>To control the flow of blood following vascular injury</p> Signup and view all the answers

    What is the primary role of fibrinogen in the coagulation process?

    <p>To stimulate platelet activation</p> Signup and view all the answers

    What is the term for the process of platelet activation and clumping?

    <p>Aggregation</p> Signup and view all the answers

    What is released by activated platelets to stimulate additional platelet activation?

    <p>ADP and TXA2</p> Signup and view all the answers

    What is the first phase of the hemostasis process following vascular injury?

    <p>Vascular constriction</p> Signup and view all the answers

    What is the primary site for the exchange of materials between the circulatory system and tissues?

    <p>Capillaries</p> Signup and view all the answers

    What is the color of arterial blood due to the large amount of oxygen it carries?

    <p>Bright red</p> Signup and view all the answers

    Which type of blood vessels carry blood towards the heart?

    <p>Veins</p> Signup and view all the answers

    What is the reverse of the systemic circulation in the pulmonary circulation?

    <p>Arteries contain deoxygenated blood</p> Signup and view all the answers

    What is the purpose of the blood drawn from the veins for routine tests?

    <p>For routine medical tests</p> Signup and view all the answers

    What is the overlap between the lymphatic circulation and the circulatory system?

    <p>Functions of the Lymphatic System</p> Signup and view all the answers

    What is the primary function of clot formation in response to tissue injury?

    <p>To prevent bleeding</p> Signup and view all the answers

    What is the difference between a white thrombus and a red thrombus?

    <p>The presence of red blood cells</p> Signup and view all the answers

    What is the role of plasmin in the process of hemostasis?

    <p>To dissolve the clot</p> Signup and view all the answers

    What is the significance of the intrinsic pathway under normal physiological conditions?

    <p>It has low significance</p> Signup and view all the answers

    What is the outcome of the convergence of the intrinsic and extrinsic pathways?

    <p>The formation of a fibrin clot</p> Signup and view all the answers

    What is the role of hyperlipidemia in the generation of atherosclerosis?

    <p>It promotes the formation of atherosclerosis</p> Signup and view all the answers

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