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

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

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

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

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

What is the primary characteristic of hypodynamic shock?

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

What is the main cause of septic shock?

<p>Infection or sepsis (C)</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 (A)</p> Signup and view all the answers

What is the effect of distributive shock on vascular resistance?

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

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

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

What is the primary mechanism of hypovolemic shock?

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

What is the primary treatment for cardiogenic shock?

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

What is the typical skin temperature in hyperdynamic shock?

<p>Warm (D)</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 (D)</p> Signup and view all the answers

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

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

What is the typical sign of cardiogenic shock?

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

What is the primary mechanism of neurogenic shock?

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

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

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

What is the primary cause of anaphylactic shock?

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

What is the treatment for neurogenic shock?

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

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

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

What is a common cause of anaphylactic shock?

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

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