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of 156 available terms
(2 exact duplicates found)

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5 Written Questions

5 Matching Questions

  1. Mediastinum
  2. Refractory periods
  3. arterial diastole
  4. Artificial heart
  5. Heart-lung machine
  1. a Temporarily substitutes for a patient's heart and lungs. It oxygenates the blood, removes carbon dioxide, and pumps blood throughout the body.
  2. b Period following effective stimulation during which excitable tissue, such as heart muscle, fails to respond to a stimulus of threshold intensity.
  3. c is a mechanical pump that replaces the heart.
  4. d is relaxation of the arterial myocardium.
  5. e a midline partition of the thoracic cavity that also contains the trachea, esophagus, the thymus, and associated structures.

5 Multiple Choice Questions

  1. Short trunk that receives most of the veins of the heart and empties into the right atrium.
  2. is relaxation of the ventricular myocardium
  3. The cells are bound end-to-end and laterally to adjacent cells by specialized cell-to-cell contacts. Cell-to-cell attachment with gap junctions between cardiac muscle cells.
  4. which project to the heart as cardiac nerves.
  5. Consists of a plate of fibrous connective tissue between the atria and the ventricles. This connective tissue plate forms fibrous rings around the atrioventricular and the semilunar valves and provides solid support for them, reinforcing the valve openings.

5 True/False Questions

  1. Left marginal arteryNerve that extends from the sympathetic chain ganglia to the heart.

          

  2. Atriathe blunt rounded point of the heart; rounded tip directed anteriorly and slightly inferiorly.

          

  3. Left atriumhas 3 major openings: The openings from the superior and inferior vena cava receive blood from the body, and the opening of the coronary sinus receives blood from the heart itself.

          

  4. Extrinsic regulationThe semilunar valves are pushed open, and blood flows from the ventricles into the pulmonary trunk and aorta.

          

  5. Right marginal arteryopens into the pulmonary trunk.

          

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