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of 156 available terms
(2 exact duplicates found)

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5 Written questions

5 Matching questions

  1. Pericardial Cavity
  2. Arterial systole
  3. Myocardium
  4. Heart valve replacement or repair
  5. Right atrium
  1. a The space between the visceral and parietal pericardium, is filled with a thin layer of serous pericardial fluid.
  2. b is a surgical procedure performed on valves that are so deformed and scarred from conditions such as endocarditis that they have become severely incompetent or stenosed.
  3. c The thick middle layer of the heart, is composed of cardiac muscle cells and is responsible for the heart's ability to contract.
  4. d has 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.
  5. e is contraction of the arterial myocardium

5 Multiple choice questions

  1. reduce the rate and strength of cardiac muscle contractions, reducing the heart's demand for oxygen.
  2. is the pressure the contracting left ventricle must produce to overcome the pressure in the aorta and move blood into the aorta.
  3. means to contract. Contraction of the heart chambers during which blood leaves the heart chambers; usually refers to ventricular contraction.
  4. results from the heart's normal functional characteristics and does not depend on either neural or hormonal regulation.
  5. is any part of the heart other than the SA node that generates a heartbeat.

5 True/False questions

  1. Cervical and Upper thoracic sympathetic chain gangliawhich project to the heart as cardiac nerves.

          

  2. P WaveSlows and strengthens contractions of the heart muscle by increasing the amount of Ca2+ that enters cardiac muscle cells and by prolonging the action potentials' refractory period.

          

  3. Intercalated disksThe 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. Cardiomyplastyis a process whereby a surgeon threads a small balloon, usually into the femoral artery, through the aorta, and into a coronary artery. After entering the partially occluded coronary artery, the balloon is inflated, flattening the atherosclerotic deposits against the vessel walls and opening the occluded blood vessel.

          

  5. Heart skeletonis a loss of action potential conduction through the heart.

          

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