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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 wall of each chamber is composed of cardiac muscle tissue usually referred to as the
  3. During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein?
  4. Cardiac output is determined by
  5. A type of abnormal heart sound that may signify incomplete closing of the valves is
  1. a SA node.
  2. b It flows into the inferior vena cava.
  3. c myocardium.
  4. d stroke volume and heart rate.
  5. e a heart murmur.

5 Multiple Choice Questions

  1. superior and inferior venae cavae
  2. vein
  3. tunica adventitia.
  4. angina
  5. E wave.

5 True/False Questions

  1. A graphic record of the heart's electrical activity is a(n)ECG.

          

  2. Structures that separate the chambers and permit the flow of blood in one direction only are calledvalves.

          

  3. The heart has its own special covering, a lining of two layers of fibrous tissue called theparietal pericardium.

          

  4. The four structures that compose the conduction system of the heart are theSA node.

          

  5. Microscopic vessels that carry blood from small arteries to small veins aresuperior and inferior venae cavae

          

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