Module Results Quiz
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Questions and Answers

What is the primary function of the lymphatic system?

  • Maintaining blood pressure
  • Producing red blood cells
  • Removing excess fluid and waste products from tissues (correct)
  • Regulating body temperature
  • Which layer of the blood vessels is responsible for exchanging nutrients and waste products between the blood and tissues?

  • Tunica externa
  • Tunica intima (correct)
  • Endothelium
  • Tunica adventitia
  • What is the main function of precapillary sphincters in blood circulation?

  • Regulate blood flow into capillaries (correct)
  • Promote blood clotting
  • Control blood pressure
  • Produce red blood cells
  • During which phase of the cardiac cycle do the ventricles contract and pump blood to the body?

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

    Why are purkinje fibers essential in the heart's electrical conduction system?

    <p>To conduct electrical impulses to the ventricles</p> Signup and view all the answers

    Which blood type is considered the universal recipient?

    <p>Blood type AB+</p> Signup and view all the answers

    What is the tough membrane that surrounds the heart called?

    <p>Serous pericardium</p> Signup and view all the answers

    Which pacemaker in the heart generates an electric impulse at approximately 70–80 impulses per minute?

    <p>Sinoatrial node</p> Signup and view all the answers

    What is a condition characterized by fewer-than-normal circulating white blood cells called?

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

    Where does the left coronary artery provide blood to?

    <p>Lateral wall of the left ventricle</p> Signup and view all the answers

    Which wave on an ECG represents the repolarization of the ventricles?

    <p>T wave</p> Signup and view all the answers

    What do thrombocytes in blood primarily function in?

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

    Which factor is responsible for transforming the protein required to form a netlike patch at a site of injury?

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

    When is the sound of blood rushing through an artery heard during blood pressure measurement?

    <p>When the cuff pressure is higher than systolic pressure</p> Signup and view all the answers

    An individual with which type of blood will have two antibodies present in their blood?

    <p>AB-</p> Signup and view all the answers

    What happens to blood flowing out of capillaries into tissues when osmotic pressure exceeds hydrostatic pressure?

    <p>Fluid is pulled back into the blood vessels</p> Signup and view all the answers

    Which event aligns with Step 5 of the cardiac cycle?

    <p>The bicuspid valve closes and the left ventricle contracts strongly</p> Signup and view all the answers

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