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5 Written questions

5 Matching questions

  1. The normal cardiac impulse that initiates mechanical contraction of the heart arises in the
  2. The outer layer of the pericardium is called the
  3. The heart has its own special covering, a lining of two layers of fibrous tissue called the
  4. A graphic record of the heart's electrical activity is a(n)
  5. Structures that separate the chambers and permit the flow of blood in one direction only are called
  1. a valves.
  2. b ECG.
  3. c pericardium.
  4. d SA node.
  5. e parietal pericardium.

5 Multiple choice questions

  1. SA node, AV node, AV bundle, and Purkinje fibers.
  2. left ventricle
  3. superior and inferior venae cavae
  4. stroke volume and heart rate.
  5. It flows into the inferior vena cava.

5 True/False questions

  1. The condition in which the number of red blood cells increases beyond normal and thus increases blood viscosity is calledpolycythemia.


  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. Semilunar valves can be found in which blood vessel?vein


  5. What is the term used to describe the severe chest pain that occurs when the myocardium is deprived of oxygen?superior and inferior venae cavae


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