Cardiovascular Diseases: Perfusion and Common Types
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Questions and Answers

What is perfusion?

  • The passage of fluid through the blood vessels to an organ or tissue (correct)
  • The passage of air through the blood vessels to an organ or tissue
  • The passage of air through the lymphatic system to an organ or tissue
  • The passage of fluid through the lymphatic system to an organ or tissue

    • Which type of heart disease is sometimes called coronary heart disease?

  • Cerebrovascular disease
  • Coronary artery disease (correct)
  • Peripheral vascular disease
  • Myocardial infarction

    • What happens during a heart attack?

  • Blood vessels narrow in the brain
  • A blood clot forms in the heart
  • A part of the heart muscle doesn't get enough blood (correct)
  • Arteries outside of the heart become narrowed or blocked

    • Which condition refers to problems with blood flow and blood vessels in the brain?

    <p>Cerebrovascular disease</p> Signup and view all the answers

    What is peripheral vascular disease (PVD)?

    <p>Narrowing, blockage, or spasms in blood vessels outside of the heart</p> Signup and view all the answers

    What causes myocardial infarction?

    <p>A part of the heart muscle not getting enough blood</p> Signup and view all the answers

    What is the main cause of a heart attack?

    <p>A blockage in one or more of the heart's arteries</p> Signup and view all the answers

    What is atherosclerosis?

    <p>The buildup of fats, cholesterol, and other substances in and on the artery walls</p> Signup and view all the answers

    What is the actual cause of a heart attack?

    <p>Formation of a blood clot due to a plaque rupture</p> Signup and view all the answers

    What is the effect of irreversible damage due to a heart attack?

    <p>The affected heart muscle stops working properly</p> Signup and view all the answers

    Who is at risk for a heart attack due to inherited factors?

    <p>People with low levels of HDL cholesterol</p> Signup and view all the answers

    What are the common risk factors for a heart attack?

    <p>Smoking, high stress, and excessive alcohol consumption</p> Signup and view all the answers

    What role does LDL cholesterol play in heart disease?

    <p>It raises the risk for heart disease and stroke</p> Signup and view all the answers

    What is the role of HDL cholesterol in the body?

    <p>Absorbs cholesterol and carries it back to the liver</p> Signup and view all the answers

    What is the main function of high levels of HDL cholesterol?

    <p>To absorb cholesterol and carry it back to the liver</p> Signup and view all the answers

    What can individuals do to reduce their risk of a heart attack?

    <p>Exercise regularly and maintain a healthy diet</p> Signup and view all the answers

    What is the main function of the heart?

    <p>To move blood throughout the body</p> Signup and view all the answers

    Where does blood cell production occur?

    <p>In the bone marrow</p> Signup and view all the answers

    What is the role of the lymph system?

    <p>To carry fluids from interstitial spaces to the blood</p> Signup and view all the answers

    What is the study of blood and blood-forming tissue called?

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

    Which organ has the function of producing red blood cells during fetal development?

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

    What does the vasculature do?

    <p>Carries blood connecting the heart with all other organs and tissues in the body</p> Signup and view all the answers

    What is the primary function of erythrocytes?

    <p>Assisting in maintaining acid-base balance</p> Signup and view all the answers

    Which blood component is composed primarily of water but also contains proteins, electrolytes, gases, and nutrients?

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

    What is the primary function of thrombocytes (platelets)?

    <p>Initiating the clotting process</p> Signup and view all the answers

    Which type of blood cell forms the basis of the cellular and humoral immune response?

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

    Which component of blood helps maintain oncotic pressure in the blood?

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

    What is the term for plasma minus its clotting factors?

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

    What is the normal hemoglobin level range for men?

    <p>$14.0 gm/dL to 17.5 gm/dL$</p> Signup and view all the answers

    Where are antibodies (immunoglobulins) primarily produced?

    <p>Plasma cells</p> Signup and view all the answers

    What is the primary function of granulocytes?

    <p>$Phagocytosis$</p> Signup and view all the answers

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