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5 Written questions

5 Matching questions

  1. Semilunar valves can be found in which blood vessel?
  2. Structures that separate the chambers and permit the flow of blood in one direction only are called
  3. The normal cardiac impulse that initiates mechanical contraction of the heart arises in the
  4. The condition in which the number of red blood cells increases beyond normal and thus increases blood viscosity is called
  5. A graphic record of the heart's electrical activity is a(n)
  1. a polycythemia.
  2. b vein
  3. c SA node.
  4. d ECG.
  5. e valves.

5 Multiple choice questions

  1. systemic circulation.
  2. SA node, AV node, AV bundle, and Purkinje fibers.
  3. parietal pericardium.
  4. tunica adventitia.
  5. a heart murmur.

5 True/False questions

  1. Which blood vessels return venous blood to the right atrium?superior and inferior venae cavae


  2. The normal ECG is composed of the following exceptleft ventricle


  3. The wall of each chamber is composed of cardiac muscle tissue usually referred to as themyocardium.


  4. During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein?It flows into the inferior vena cava.


  5. What is the term used to describe the severe chest pain that occurs when the myocardium is deprived of oxygen?angina


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