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16.6: Review Questions

Pharmacology for Nurses · LibreTexts

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    From LibreTexts, under CC BY 4.0, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.

    Exercise \(\PageIndex{1}\)

    The nurse is watching a client’s cardiac monitor. The nurse recognizes that the QRS complex represents which phase of the cardiac cycle?

  1. Atrial depolarization
  2. Atrial repolarization
  3. Ventricular depolarization
  4. Ventricular repolarization
    5. Answer

    Ventricular depolarization

    Exercise \(\PageIndex{2}\)

    Which of the following cardiac chambers pumps blood to the pulmonary artery and thus is prone to failure in clients with pulmonary arterial hypertension?

  5. Right ventricle
  6. Left ventricle
  7. Right atrium
  8. Left atrium
    9. Answer

    Right ventricle

    Exercise \(\PageIndex{3}\)

    The nurse is caring for a client following a myocardial infarction. Which blood vessel does the nurse explain is blocked?

  9. Aorta
  10. Coronary artery
  11. Vena cava
  12. Coronary vein
    13. Answer

    Coronary artery

    Exercise \(\PageIndex{4}\)

    A client is being sent to the cardiac catheterization laboratory after an acute myocardial infarction. During the procedure, a physician will puncture and enter the femoral artery to gain access to various heart structures. Which of the following differentiates arteries like the femoral artery from veins?

  13. Arteries have a lower blood pressure in comparison to veins.
  14. Arteries carry deoxygenated blood back to the heart to be pumped to the pulmonary circuit.
  15. Arteries are lower risk during a puncture in comparison to veins.
  16. Arteries carry oxygenated blood to the body for use by the tissues.
    17. Answer

    Arteries carry oxygenated blood to the body for use by the tissues.

    Exercise \(\PageIndex{5}\)

    The left ventricle pumps blood from the heart to the aorta for use by the body. Which of the following processes occurs nearly simultaneously with left ventricular systole?

  17. Right atrial systole
  18. Right ventricular systole
  19. Right ventricular diastole
  20. Excitation of the sinoatrial node
    21. Answer

    Right ventricular systole

    Exercise \(\PageIndex{6}\)

    Which of the following carries an electrical signal from the atria to the ventricles in the healthy heart?

  21. Atrioventricular node
  22. Sinoatrial node
  23. Purkinje fibers
  24. Bundle of His
    25. Answer

    Atrioventricular node

    Exercise \(\PageIndex{7}\)

    Which of the following terms describes the ability of cardiac tissue to act as the pacemaker of the heart?

  25. Membrane potential
  26. Conductivity
  27. Automaticity
  28. Action potential
    29. Answer

    Automaticity

    Exercise \(\PageIndex{8}\)

    A client is admitted to the hospital with dizziness and shortness of breath. The provider orders an ECG. Which of the following can be diagnosed based on the results of the ECG?

  29. Dysrhythmia
  30. Atrial diastole
  31. Heart failure with reduced ejection fraction
  32. Left ventricular systole
    33. Answer

    Dysrhythmia

    Exercise \(\PageIndex{9}\)

    The nurse is teaching a group of cardiac rehab clients about the electrical conduction of the heart. What statement made by a client best indicates the teaching is effective?

  33. “The sinoatrial node is a specialized bundle of nerve tissue that slows the electrical impulse.”
  34. “The sinoatrial node is a specialized bundle of nerve tissue that causes ventricular contraction.”
  35. “The sinoatrial node is a specialized bundle of nerve tissue that repolarizes the ventricular myocardium.”
  36. “The sinoatrial node is a specialized bundle of nerve tissue in the right atrium called the pacemaker of the heart.”
    37. Answer

    “The sinoatrial node is a specialized bundle of nerve tissue in the right atrium called the pacemaker of the heart.”

    Exercise \(\PageIndex{10}\)

    A client is admitted with bradycardia detected by an ECG. Which statement describes bradycardia?

  37. Heart rate greater than 100 beats per minute
  38. Heart rate greater than 60 beats per minutes
  39. Heart rate less than 100 beats per minute
  40. Heart rate less than 60 beats per minute
    41. Answer

    Heart rate less than 60 beats per minute

    This page titled 16.6: Review Questions was last modified on Sun, 29 Dec 2024 09:21:32 GMT and is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by OpenStax.