Heart Failure and Cardiovascular Dysfunction Mechanisms Quiz
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Questions and Answers

Which of the following is the most common cause of chronic right ventricular failure?

  • Left ventricular failure (correct)
  • Primary pulmonary hypertension
  • Congenital heart defects
  • Chronic obstructive pulmonary disease
  • Which of the following is a characteristic finding in the liver of a patient with chronic right ventricular failure?

  • Fatty change in the peripheral regions
  • Centrilobular necrosis (correct)
  • Nodular regeneration
  • Prominence of the central veins
  • Which of the following is the most likely consequence of chronic right ventricular failure on the kidneys?

  • Decreased juxtaglomerular activity
  • Increased sodium and water retention (correct)
  • Decreased glomerular filtration rate
  • Renal tubular hypertrophy
  • What type of cardiac dysfunction is most likely to lead to the development of chronic passive venous congestion in the liver?

    <p>Tricuspid regurgitation</p> Signup and view all the answers

    Which of the following is the most likely cause of cardiac sclerosis or cardiac cirrhosis in a patient with chronic right ventricular failure?

    <p>Chronic sinusoidal congestion and hypoxia</p> Signup and view all the answers

    Which of the following is the most significant factor contributing to the development of edema in a patient with chronic right ventricular failure?

    <p>Increased renal tubular reabsorption of sodium</p> Signup and view all the answers

    Which of the following conditions is associated with forward failure of the left heart?

    <p>Oliguria</p> Signup and view all the answers

    In the context of backward failure of the right heart, which of the following symptoms is most likely to occur?

    <p>Hepatomegaly</p> Signup and view all the answers

    Which of the following conditions is most likely to cause high-output heart failure?

    <p>Hyperthyroidism</p> Signup and view all the answers

    In the context of systolic failure, which side of the heart is typically affected?

    <p>Left side</p> Signup and view all the answers

    Which of the following conditions is associated with backward failure of the left heart?

    <p>Pulmonary edema</p> Signup and view all the answers

    Which of the following conditions is most likely to cause an obstruction to blood flow, leading to heart failure?

    <p>Aortic stenosis</p> Signup and view all the answers

    Which of the following is an example of regurgitant flow leading to heart failure?

    <p>Aortic regurgitation causing backflow into the left ventricle</p> Signup and view all the answers

    Which of the following is a disorder of cardiac conduction that can lead to heart failure?

    <p>Atrial fibrillation causing uncoordinated atrial contractions</p> Signup and view all the answers

    Which of the following represents a disruption of the continuity of the circulatory system that can cause heart failure?

    <p>Gunshot wound through the thoracic aorta causing external blood loss</p> Signup and view all the answers

    Which of the following is a compensatory mechanism activated in heart failure to increase cardiac output?

    <p>Release of atrial natriuretic peptide</p> Signup and view all the answers

    Which of the following represents a failure of the pump mechanism leading to heart failure?

    <p>Dilated cardiomyopathy causing impaired myocardial contractility</p> Signup and view all the answers

    Which of the following is a compensatory mechanism that increases cardiac output in heart failure by utilizing the Frank-Starling mechanism?

    <p>Increased end-diastolic pressure leading to increased stretch and force of contraction</p> Signup and view all the answers

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