Acute Myocardial Infarction, Atherosclerosis

11 Questions | Total Attempts: 1963

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Acute Myocardial Infarction, Atherosclerosis - Quiz

Acute myocardial infarction may sound like a very complex, unheard of condition to the layman, but it is actually the medical term for one of the most commonly known serious medical complications a person can suffer from; the heart attack. What can you tell us about it, as well as atherosclerosis?


Questions and Answers
  • 1. 
    A 45-year-old man had a myocardial infarction (MI) 4 days ago and is recovering in the cardiac intensive care unit.  Which complication is he MOST AT RISK for developing at this time?
    • A. 

      Cardiac aneurysm

    • B. 

      Hemopericardium

    • C. 

      Atrial myxoma

    • D. 

      Mural thrombus

    • E. 

      Nutmeg liver

  • 2. 
    A 58 year old female experienced the onset of severe chest pain. An EKG demonstrated changes consistent with an acute myocardial infarction. There was significant elevation of CK-MB, LDH enzymes and Troponin I, in serum. The increase in serum enzyme levels in the serum results from which of the following changes in the myocardial fibers?
    • A. 

      Defects in the cell membrane

    • B. 

      Clumping of nuclear chromatin

    • C. 

      Swelling of the mitochondria

    • D. 

      Autophagy by lysosomes

    • E. 

      Detachment of ribososmes

  • 3. 
    A 65-year-old male recovers from an anterior MI with no complications. An echocardiogram is obtained prior to discharge. What problem is the test is most likely to show?
    • A. 

      Ventricular rupture

    • B. 

      Constrictive pericarditis

    • C. 

      Increased ejection fraction

    • D. 

      Severe mitral regurgitation

    • E. 

      Ventricular dyskinesia

  • 4. 
    The pathology seen in this heart is most likely associated with:
    • A. 

      Viral Infection

    • B. 

      Systemic Lupus Erythematosus

    • C. 

      Tuberculosis

    • D. 

      Acute myocardial infarction

    • E. 

      Tumor invasion

  • 5. 
    Postmortem examination of a patient who died of a confirmed acute myocardial infarction reveals the cardiac changes shown in the image below. What is the most likely “age” of myocardial infarction in this patient?
    • A. 

      24 – 72 hours

    • B. 

      12 – 24 hours

    • C. 

      < 12 hours

    • D. 

      4 – 7 days

  • 6. 
    A 67-year-old Hispanic male is found dead in his house. Autopsy reveals hemopericardium due to ventricular wall rupture. How long before his death did the man probably have a myocardial infarction?
    • A. 

      < 1 day

    • B. 

      1 – 3 days

    • C. 

      4 – 7 days

    • D. 

      7 – 14 days

    • E. 

      14 – 28 days

  • 7. 
    A 55-year-old Hispanic male presents with lower back pain. Physical examination reveals an obese man with BP of 160/110 mm Hg; he has moderately limited range of motion of the back. Arteriography of the patient’s abdominal aorta is shown for your evaluation below. Which of the following is the most likely underlying cause for aortic dilation in the patient?
    • A. 

      Atherosclerosis

    • B. 

      Cystic medial necrosis

    • C. 

      Fibrinoid necrosis

    • D. 

      Medial degeneration

  • 8. 
    A 56 year old man suffered a myocardial infarction 7 days ago and is recovering in the intensive care unit.  If he were to die suddenly at this time, what are the principle microscopic changes you would expect to see in his heart tissue?
    • A. 

      Focal coagulative necrosis of myocytes

    • B. 

      Abundant cellular debris and neutrophil infiltration

    • C. 

      Exuberant macrophage reaction with phagocytosis

    • D. 

      Fibrosis and scar tissue

    • E. 

      Fibroblast proliferation

  • 9. 
    The pathology associated with this heart is most likely:  (mark all that apply)
    • A. 

      SLE

    • B. 

      Acute mycocardial infarction

    • C. 

      Rheumatic Fever

    • D. 

      Tuberculosis

    • E. 

      Tumor invasion

    • F. 

      Viral infection

  • 10. 
    The pathology associated with this heart is most likely due to:
    • A. 

      Familial Hyperlipidemia

    • B. 

      Infection

    • C. 

      Acute Myocardial infarction

    • D. 

      Dialted cardiomyopathy

    • E. 

      Cheeseburgeremia

  • 11. 
    The pathology associated with this heart tissue is:
    • A. 

      Lyme disease

    • B. 

      Acute myocardial infarction

    • C. 

      Myomatous tumor

    • D. 

      Chagas

    • E. 

      Rheumatic fever

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