Cardiac Arrhythmia and Heart Failure Lecture
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Questions and Answers

What is the normal heart rate range in beats per minute?

  • 40-80bpm
  • 80-120bpm
  • 60-100bpm (correct)
  • 100-140bpm
  • Which structure does the impulse descend through in the interventricular septum?

  • SA node
  • Bundle of His (correct)
  • Purkinje fibres
  • AV node
  • Which of the following is not a cause of arrhythmias according to the text?

  • Certain drugs
  • Electrolyte imbalances in the blood
  • Excessive exercise (correct)
  • Systemic disease
  • Which type of arrhythmia is characterized by an irregularity in heart rate?

    <p>Dysrhythmia (B)</p> Signup and view all the answers

    What is the main group of conditions included in cardiac arrhythmia according to the text?

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

    What is the role of Purkinje fibers in the heart?

    <p>Causing contraction of the ventricle walls (B)</p> Signup and view all the answers

    Which of the following is a cause of arrhythmias according to the text?

    <p>Thyroid disease (C)</p> Signup and view all the answers

    What type of arrhythmia is characterized by a decrease in heart rate?

    <p>Bradycardia (C)</p> Signup and view all the answers

    Which of the following is classified as an atrial arrhythmia?

    <p>Paroxysmal atrial tachycardia (B)</p> Signup and view all the answers

    What is the normal heart rate range in beats per minute?

    <p>60-100 bpm (D)</p> Signup and view all the answers

    Adrenal glands are located bilaterally at the superior pole of each ______

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

    The primary glucocorticoid is ______

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

    Peak levels of plasma cortisol occur around the time of waking in the ______

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

    Cortisol acts as an insulin antagonist increasing blood levels and peripheral use of ______

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

    Synthetic glucocorticoids (cortisol-like drugs) are used in the treatment of many ______

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

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