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Circulatory System - MST1250 (Rob's Class0 Test

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5 Written Questions

5 Matching Questions

  1. What is Fibrin?
  2. What is the function of the circulatory system?
  3. Platelets, also called thrombocytes are the smallest of the cells in the blood. What is their function?
  4. What are arteriolles?
  5. Which are there more of, red blood cells or white blood cells?
  1. a The clotting mechanism.
  2. b Red blood cells (they have no nucleus; cannot reproduce)
  3. c "Faucet" regulates blood pressure; delivers blood to the capillaries.
  4. d To prevent blood loss; important in clot formation.
  5. e Its an important communication and transport channel with networks, in the form of blood vessels, linking various tissues.

5 Multiple Choice Questions

  1. Where all of the important exchanges happen in the circulatory system. They are a single cell to aid fast and easy diffusion of gases.
  2. The Cardiovascular System.
  3. carbon dioxide, urea acid, ketone from fat
  4. Function is to return deoxygenated blood to the heart; high amount of smooth muscle in walls.
  5. right atrium- it fills the right ventricle with blood.
    right ventricle - pumps to lungs
    left atrium - it fills the right ventricle
    left ventricle - pumps blood to systemic circulation.

5 True/False Questions

  1. We have more veins than we do have arteries, true or false?It rests on the diaphragm, wedged between the lungs in the mediastinum of the thorax (mediastinum is the part of the thoracic cavity located between the lungs).


  2. What is the anatomy of the "circulatory system"?The HEART. Its primary function is to pump blood throughout the body; it keeps the blood circulating.


  3. White blood cells (leukocytes) function is:Defense against infection. They have a nucleus and live hours to days at a time.


  4. How is the blood supplied to the heart?Pump blood throughout the entire body.


  5. What is Hemoglobin?Its an anti-clotting mechanism.


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