Physiology of Blood Pressure Regulation
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Questions and Answers

What is the primary cause of inadequate tissue perfusion in shock?

  • Inadequate blood volume (correct)
  • Inadequate oxygen delivery
  • Inadequate cardiac output
  • Inadequate peripheral resistance

    • What type of shock is characterized by inadequate cardiac contractility?

  • Cardiogenic shock (correct)
  • Hypovolemic shock
  • Obstructive shock
  • Distributive shock

    • What is the primary goal of fluid replacement therapy in shock?

  • To increase blood pressure
  • To increase cardiac output
  • To decrease peripheral resistance
  • To restore adequate tissue perfusion (correct)

    • What type of shock is characterized by inadequate blood volume?

    <p>Hypovolemic shock</p> Signup and view all the answers

    What is the term for inadequate circulation of blood in the body?

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

    What type of shock is characterized by obstruction of blood flow?

    <p>Obstructive shock</p> Signup and view all the answers

    What type of shock is caused by pump failure?

    <p>Cardiogenic shock</p> Signup and view all the answers

    What is the primary cause of hypovolemic shock?

    <p>Fluid shifts or blood loss</p> Signup and view all the answers

    What is the term for the failure of compensatory mechanisms in shock?

    <p>Progressive shock</p> Signup and view all the answers

    What is the name of the type of shock caused by sepsis and anaphylaxis?

    <p>Distributive shock</p> Signup and view all the answers

    What is the term for the cellular death that occurs in the final stage of shock?

    <p>Refractory shock</p> Signup and view all the answers

    What is the purpose of measuring blood pressure in shock?

    <p>To evaluate the patient's perfusion and blood flow</p> Signup and view all the answers

    What is the primary reason for fluid resuscitation in a patient with hypovolemic shock?

    <p>To increase cardiac output</p> Signup and view all the answers

    What is the expected response to fluid bolus in a patient with cardiogenic shock?

    <p>Increased cardiac output and blood pressure</p> Signup and view all the answers

    What is the primary mechanism of autotransfusion in compensated shock?

    <p>Redistribution of blood from the periphery to the core</p> Signup and view all the answers

    What is the characteristic of the arterial pressure waveform in a patient with decreased aortic compliance?

    <p>Rise of the blood pressure curve is more rapid</p> Signup and view all the answers

    What is the expected response to fluid resuscitation in a patient with distributive shock?

    <p>No significant change in cardiac output or blood pressure</p> Signup and view all the answers

    Why was Bethan transferred to the Intensive Care Unit (ICU) and had arterial, Swan-Ganz, and urinary catheters inserted?

    <p>To monitor cardiac output and blood pressure</p> Signup and view all the answers

    What is the primary reason for the rise of the blood pressure curve during systole?

    <p>Increased stroke volume</p> Signup and view all the answers

    What is the primary mechanism by which fluid resuscitation improves blood pressure in haemorrhage?

    <p>Increased cardiac output</p> Signup and view all the answers

    What is the purpose of inserting a Swan-Ganz catheter in a patient with shock?

    <p>To monitor cardiac output</p> Signup and view all the answers

    What is the primary goal of fluid replacement therapy in shock?

    <p>To improve tissue perfusion</p> Signup and view all the answers

    What is the characteristic of the arterial pressure waveform in a patient with decreased aortic compliance?

    <p>A faster rise and fall of the blood pressure curve</p> Signup and view all the answers

    What is the expected response to fluid bolus in a patient with hypovolemic shock?

    <p>Increased cardiac output</p> Signup and view all the answers

    What is the primary goal of fluid replacement therapy in a patient with hypovolemic shock?

    <p>To replenish intravascular volume</p> Signup and view all the answers

    What is the purpose of using a pulmonary artery catheter in cardiac output monitoring?

    <p>To measure cardiac output and mixed venous oxygen levels</p> Signup and view all the answers

    What type of shock is characterized by inadequate cardiac contractility?

    <p>Cardiogenic shock</p> Signup and view all the answers

    What is the primary reason for using albumin in fluid resuscitation?

    <p>To increase oncotic pressure</p> Signup and view all the answers

    What is the purpose of using a urinary catheter in shock management?

    <p>To monitor urinary output</p> Signup and view all the answers

    What is the term for the failure of compensatory mechanisms in shock?

    <p>De compensation</p> Signup and view all the answers

    In a patient with hypovolemic shock, what is the primary goal of fluid resuscitation?

    <p>To restore adequate circulating blood volume</p> Signup and view all the answers

    Which invasive monitoring technique is used to assess cardiac output in a patient with shock?

    <p>Pulmonary artery catheter</p> Signup and view all the answers

    What is the primary reason for measuring blood pressure in a patient with shock?

    <p>To evaluate the effectiveness of fluid resuscitation</p> Signup and view all the answers

    In a patient with cardiogenic shock, what is the expected response to fluid bolus?

    <p>No change in cardiac output</p> Signup and view all the answers

    What is the primary mechanism of blood pressure regulation in a patient with compensated shock?

    <p>Physiological autoregulation</p> Signup and view all the answers

    In a patient with distributive shock, what is the primary cause of inadequate tissue perfusion?

    <p>Vasodilation leading to decreased blood pressure</p> Signup and view all the answers

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