Hemodynamic Disorders — General

Hemodynamic Disorders MCQs: practice questions

Sample Hemodynamic Disorders multiple-choice questions from General.

1. The irreversible stage of shock is characterized by which development?

   • A. Full recovery with prompt supportive treatment
   • B. Complete absence of any cellular injury
   • C. Widespread injury and treatment-resistant organ failure
   • D. Isolated, fully reversible hypotension
   • E. Normal organ perfusion despite ongoing shock

2. Which of the following is a well-recognized trigger of disseminated intravascular coagulation?

   • A. Sepsis, obstetric complications, malignancy
   • B. Simple viral upper respiratory infection
   • C. Mild dehydration
   • D. Routine minor surgery without complication
   • E. Simple iron deficiency anemia

3. Chronic passive congestion of the liver classically produces which gross appearance?

   • A. Uniform pale tan color
   • B. "Nutmeg liver" pattern (mottled red/pale)
   • C. Diffuse yellow discoloration
   • D. Complete loss of normal architecture
   • E. Uniform dark green discoloration

4. Air embolism sufficient to cause clinical symptoms typically requires which approximate volume of air entering the venous circulation?

   • A. Any volume, regardless of amount
   • B. Roughly 1 mL in most cases
   • C. Air embolism is rarely clinically significant
   • D. Roughly 100 mL or more, depending on the rate of entry
   • E. Occurs mainly with arterial, rarely venous, air entry

5. Which of the following best describes the role of endothelium in normally preventing thrombosis?

   • A. Endothelium has no active role in coagulation regulation
   • B. Endothelium mainly promotes clot formation normally
   • C. Produces antithrombotic factors (prostacyclin, NO)
   • D. Endothelium's main function is structural support
   • E. Endothelium actively destroys platelets under normal conditions

6. Fat embolism syndrome is most classically associated with which clinical scenario?

7. Exudate fluid, in contrast to transudate, typically results from which process?

8. Cardiogenic shock differs from hypovolemic shock primarily in which way?

9. Generalized edema from heart failure is primarily driven by which mechanism?

10. Deep vein thrombosis in the lower extremities is most commonly associated with which combination of Virchow's triad factors?

11. Transudate fluid, as opposed to exudate, is characterized by which feature?

12. An infarct is best defined as which of the following?

13. Amniotic fluid embolism, a rare but severe obstetric complication, most directly leads to death through which mechanism?

14. A paradoxical embolus reaches the systemic (arterial) circulation from a venous source through which pathway?

15. Petechiae are best described as which type of hemorrhage?

16. Disseminated intravascular coagulation (DIC) is characterized by which paradoxical combination?

17. Active hyperemia differs from passive congestion in which key way?

18. Septic shock is characterized by which distinctive hemodynamic pattern compared to hypovolemic shock?

19. Lymphedema most directly results in tissue swelling through which mechanism?

20. Which best explains the increased risk of thrombosis during pregnancy?

21. Virchow's triad describes the three factors predisposing to which condition?

22. Red (hemorrhagic) infarcts most typically occur in which setting?

23. White (pale) infarcts are most characteristic of which type of organ?

24. A thrombus that forms and remains attached to the vessel wall, becoming incorporated into it, is described by which term?

25. Recanalization of an organized thrombus refers to which process?

26. A thromboembolus originating from a large deep vein most commonly embolizes to which organ?

27. Hypovolemic shock is characterized by which underlying hemodynamic abnormality?

28. Chronic pulmonary congestion from left heart failure can lead to which characteristic finding?

29. Chronic venous stasis in the lower extremities can eventually lead to which skin complication?

30. A saddle embolus lodging at the bifurcation of the pulmonary artery poses which specific clinical risk?