Hypertension: Definition, Malignant Hypertension, and Pathogenesis
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Questions and Answers

What is the mechanism of action of Angiotensin converting enzyme inhibitors?

  • Prevent production or function of angiotensin II enzyme (correct)
  • Block sympathetic effects on the heart
  • Increase bradykinin levels
  • Reduce peripheral resistance by arteriolar vasodilation
  • What is the characteristic feature of syncope?

  • Transient and sudden loss of consciousness with spontaneous recovery (correct)
  • Requires electrical or chemical cardioversion for recovery
  • Results from cerebral atherosclerosis only
  • Permanent loss of consciousness
  • Which of the following is a cause of non-cardiac syncope?

  • Aortic valve stenosis
  • Arrhythmias
  • Vasovagal syncope (correct)
  • Cerebral atherosclerosis
  • What is the approximate systolic blood pressure below which loss of consciousness occurs?

    <p>70 mmHg</p> Signup and view all the answers

    What is the percentage of cardiac syncope cases among all syncope cases?

    <p>5%</p> Signup and view all the answers

    Why are the elderly at higher risk for syncopal attacks?

    <p>Due to cerebral atherosclerosis</p> Signup and view all the answers

    What is the definition of hypertension?

    <p>BP ≥ 140/90 mmHg</p> Signup and view all the answers

    What is the most common type of hypertension?

    <p>Essential hypertension</p> Signup and view all the answers

    What is a major risk factor for essential hypertension?

    <p>Elevated diet fats and sodium</p> Signup and view all the answers

    What is a clinical manifestation of hypertension?

    <p>All of the above</p> Signup and view all the answers

    What is a complication of untreated hypertension?

    <p>All of the above</p> Signup and view all the answers

    What is a non-pharmacological treatment for hypertension?

    <p>Weight reduction and diet regime</p> Signup and view all the answers

    What is the percentage of idiopathic syncope?

    <p>30%</p> Signup and view all the answers

    What can precipitate vasovagal syncope?

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

    What is a common symptom of vasovagal syncope?

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

    What should an individual with vasovagal syncope do as soon as possible?

    <p>Assume a recumbent position</p> Signup and view all the answers

    What happens to the strength of the pulse when a patient with vasovagal syncope is placed in a horizontal position?

    <p>It improves</p> Signup and view all the answers

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