Physiology of Shock
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Questions and Answers

What is shock characterized by?

  • A sudden increase in blood pressure
  • An increase in tissue oxygen delivery
  • A significant systemic reduction in tissue perfusion (correct)
  • A decrease in cellular metabolic products

    • Which of the following is NOT a type of shock?

  • Neurogenic shock
  • Hypertensive shock (correct)
  • Septic shock
  • Hypovolemic shock

    • What is the result of cellular anaerobic glycolysis in shock?

  • Decrease in lactic acidosis
  • Increase in ATP production
  • Accumulation of oxygen
  • Accumulation of pyruvate (correct)

    • What is the main difference between shock and hypotension?

    <p>Shock is not a synonym to hypotension</p> Signup and view all the answers

    What is the goal of monitoring and treatment of shock patients?

    <p>To restore tissue oxygen delivery</p> Signup and view all the answers

    What is the consequence of insufficient removal of cellular metabolic products in shock?

    <p>Tissue injury</p> Signup and view all the answers

    What is the primary characteristic of hypodynamic shock?

    <p>Low cardiac output and high vascular resistance</p> Signup and view all the answers

    What is the main cause of septic shock?

    <p>Infection or sepsis</p> Signup and view all the answers

    What is the primary mechanism of cardiogenic shock?

    <p>Inability to deliver blood into the vascular tree with adequate power</p> Signup and view all the answers

    What is the effect of distributive shock on vascular resistance?

    <p>Decreases vascular resistance</p> Signup and view all the answers

    What is the typical finding in the early stage of septic shock?

    <p>Hyperglycemia and respiratory alkalosis</p> Signup and view all the answers

    What is the primary mechanism of hypovolemic shock?

    <p>Decreased preload</p> Signup and view all the answers

    What is the primary treatment for cardiogenic shock?

    <p>Diuretics and vasodilators</p> Signup and view all the answers

    What is the effect of septic shock on cutaneous blood vessels?

    <p>Dilation of arterioles and sequestration of blood in venules</p> Signup and view all the answers

    What is the typical skin temperature in hyperdynamic shock?

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

    What is the typical finding in the late stage of septic shock?

    <p>Disseminated intravascular coagulation and multiorgan system failure</p> Signup and view all the answers

    What is the cause of cardiogenic shock in the case of aortic stenosis?

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

    What is the typical sign of cardiogenic shock?

    <p>Dyspnea, rales, and gallop</p> Signup and view all the answers

    What is the primary mechanism of neurogenic shock?

    <p>Loss of autonomic innervation of the cardiovascular system</p> Signup and view all the answers

    Which of the following is a characteristic sign of anaphylactic shock?

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

    What is the primary cause of anaphylactic shock?

    <p>Binding of a foreign antigen to immunoglobulin-E</p> Signup and view all the answers

    What is the treatment for neurogenic shock?

    <p>IV fluid and vasoactive medications</p> Signup and view all the answers

    What is the effect of anaphylactic shock on the cardiovascular system?

    <p>Vasodilation and hypotension</p> Signup and view all the answers

    What is a common cause of anaphylactic shock?

    <p>Penicillin injection</p> Signup and view all the answers

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