Principles Of Cardiology III- Test I

68 Questions | Total Attempts: 230

SettingsSettingsSettings
Please wait...
Principles Of Cardiology III- Test I

A review of the material for Principles III test 1. Reviewing cardiac material.


Questions and Answers
  • 1. 
    Blood flow to the coronary arteries decreases during which phase of the cardiac cycle?
    • A. 

      Systole

    • B. 

      Bradycardia

    • C. 

      Diastole

    • D. 

      None of above, blood flow to coronary arteries is constant

  • 2. 
    What effect will tachycardia have on coronary artery perfusion?
    • A. 

      Perfusion will increase due to an increase in cardiac output.

    • B. 

      Perfusion will decrease do a decrease in filling times.

    • C. 

      Perfusion remains the same because the decrease in diastolic filling time and increase in CO roughly balance each other out.

  • 3. 
    Which of the following reflects an appropriate resting potential of the heart?
    • A. 

      -20 mv

    • B. 

      -40 mv

    • C. 

      -80 mv

    • D. 

      +5 mv

  • 4. 
    Depolarization of cardiac cells results in increased _____ and decreased _____.
    • A. 

      Calcium, Chloride

    • B. 

      Potassium, Sodium

    • C. 

      Magnesium, Potassium

    • D. 

      Sodium, Potassium

  • 5. 
    During what phase of the cardiac action potential do L-type calcium channels open?
    • A. 

      Plateau

    • B. 

      Repolarization

    • C. 

      Depolarization

    • D. 

      Holy Action Potentials, Batman!!

  • 6. 
    What occurs during repolarization?
    • A. 

      Voltage dependent increase in sodium and potassium

    • B. 

      Potassium increases and slow calcium channels close.

    • C. 

      Sodium increases and potassium decreases

    • D. 

      Slow calcium channels open and calcium increases

  • 7. 
    Sympathetic stimulation of the SA node results in release of ________ from nerve endings, which binds to Beta 1 adrenergic receptors on pacemaker cell membranes.
    • A. 

      Acetycholine

    • B. 

      Ephedrine

    • C. 

      Norepinephrine

    • D. 

      CAMP

  • 8. 
    Look at the above ECG. Occlusion of which coronary artery most likely resulted in this ECG?    
    • A. 

      Right Coronary Artery

    • B. 

      Acute Marginal

    • C. 

      Circumflex

    • D. 

      Left Anterior Descending

  • 9. 
    Look at the above ECG. Occlusion of which coronary artery most likely resulted in the above ECG?      
    • A. 

      Right Coronary Artery

    • B. 

      Acute Marginal

    • C. 

      Circumflex

    • D. 

      Left Anterior Descending

  • 10. 
    Occlusion of the circumflex artery will result in what type of MI?
    • A. 

      Inferior wall MI

    • B. 

      Lateral wall MI

    • C. 

      Anterior wall MI

    • D. 

      Posterior wall MI

  • 11. 
    Approximately what percentage of pts with HTN and a normal ECG have undiagnosed significant CAD?
    • A. 

      17%

    • B. 

      21%

    • C. 

      14%

    • D. 

      26%

  • 12. 
    During anesthetic management of a pt with HTN, you should seek to keep the intra-op BP within _____ of your baseline BP.
    • A. 

      You should seek to reduce BP to normal range.

    • B. 

      10%

    • C. 

      5%

    • D. 

      20%

  • 13. 
    Which of the following pts has minor cardiac clinical predictors?
    • A. 

      Ms. A, an 85 yr old pt with PMH: stroke

    • B. 

      Mrs. B, a 67 yr old female PMH: a-fib, severe mitral stenosis

    • C. 

      Mr. C, a 52 yr old male. PMH: Diabetes and periph neuropathy

    • D. 

      None of above

  • 14. 
    Which of the following pts has intermediate cardiac clinical predictors?
    • A. 

      Ms. A, an 85 yr old pt with PMH: stroke

    • B. 

      Mrs. B, a 67 yr old female PMH: a-fib, severe mitral stenosis

    • C. 

      Mr. C, a 52 yr old male. PMH: Diabetes and periph neuropathy

    • D. 

      None of above

  • 15. 
    Which of the following pts has major cardiac clinical predictors?
    • A. 

      Ms. A, an 85 yr old pt with PMH: stroke

    • B. 

      Mrs. B, a 67 yr old female PMH: a-fib, severe mitral stenosis

    • C. 

      Mr. C, a 52 yr old male. PMH: Diabetes and periph neuropathy

    • D. 

      None of above

  • 16. 
    Which of the following patients would you want to get a stress test prior to surgery (assuming it is not already done)?
    • A. 

      Patient with PMH of HTN, undergoing emergent repair of AAA

    • B. 

      Patient with PMH: Diabetes, neuropathy, who has METS= 6 and a normal baseline ECG. Recently diagnosed thyroid CA undergoing thyroidectomy.

    • C. 

      Patient with PMH of HTN (currently well controlled), MI 4 yrs ago, METS=3, COPD, undergoing TURP.

    • D. 

      Patient with PMH angina (minor), HTN, DM. Undergoing carotid endarterectomy.

  • 17. 
    Which of the following procedures is considered high cardiac risk?
    • A. 

      Carotid Endartectomy

    • B. 

      Mediastinoscopy

    • C. 

      Left breast Mastectomy

    • D. 

      Fem-pop bypass

  • 18. 
    Which of the following procedures carries an intermediate cardiac risk?
    • A. 

      Thyroidectomy

    • B. 

      Repair of AAA

    • C. 

      Whipple procedure

    • D. 

      ERCP

  • 19. 
    Mr. Avery’s BP is currently 134/80. What is his MAP?
    • A. 

      107

    • B. 

      98

    • C. 

      80

    • D. 

      76

  • 20. 
    What is the Cardiac output for Mrs. Wiffenbach? Her BP is currently 141/78, HR 74, SV 84 mls, BSA 2 m2, CVP 4.
    • A. 

      3.1 L/min

    • B. 

      9.9 L/min

    • C. 

      6.2 L/min

    • D. 

      2.7 L/min

  • 21. 
    What is the cardiac index for Mrs. Duvar? BP 116/64, HR 58, SV 100, BSA 2 m2, CVP 6.
    • A. 

      5.8 L/min/m2

    • B. 

      9.4 L/min/m2

    • C. 

      3.1 L/min/m2

    • D. 

      2.9 L/min/m2

  • 22. 
    What is the SVR for Mr. Gosser? BP  152/80, HR 92, CO 6.9 L min, CI 3.3 L/min/m2, BSA 2.1/m2, CVP 4, SV 75 ml.
    • A. 

      1159 dynes

    • B. 

      2425 dynes

    • C. 

      881 dynes

    • D. 

      1563 dynes

  • 23. 
    Which anesthetic causes the greatest amount of myocardial depression?
    • A. 

      Sevoflurane

    • B. 

      Halothane

    • C. 

      Desflurane

    • D. 

      Isoflurane

  • 24. 
                            Which of the following BP’s represents stage 1 hypertension?
    • A. 

      162/100

    • B. 

      138/86

    • C. 

      142/90

    • D. 

      180/112

  • 25. 
    Which of the following BP’s represents Stage 2 hypertension?
    • A. 

      135/82

    • B. 

      154/92

    • C. 

      201/112

    • D. 

      178/100