CARDIOTHORACIC SURGERY MCQs (True False Questions)

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CARDIOTHORACIC SURGERY

SET BY: SULEIMAN NDORO JNR (DR AUDI)

Indicate as either True (T) or False (F)

1. Regarding cardiopulmonary bypass (CPB)
A.  It was first used successfully in 1953 by Gibbon
B.  It can be employed in any procedure in which the heart and lungs can be stopped temporarirly
C.  The heart is mainly by left anterolateral thoracotomy
D.  Before cannulation for CPB, the patient is fully heparinised
E.   The heart is approached only by median sternotomy

2. Cardiopulmonary bypass (CPB) can be used in:
A.  Rewarming from profound hypothermia
B.  Resuscitation in severe pulmonary failure
C.  Adjunct in pulmonary embolectomy
D.  Cardiopulmonary trauma
E.   Resection of highly vascular tumours

3. Methods of myocardial protection in CPB is:
A.  Epicardial pacing wires
B.  Heparinization
C.  Total circulatory arrest
D.  Intermittent cross-lamp fibrillation
E.   Intracoronary infusion of cardioplegic solution

4. In discontinuing CPB:
A.  Air must be meticulously excluded from cardiac chambers
B.  Cardioversion is required in ventricular fibrillation
C.  Anticoagulation is reversed by using vitamin K
D.  Epicardial pacing wires may be placed to treat post-operative bradycardia
E.  The patient is rewarmed, acidosis and hypokalemia are corrected

5. Potential complications of CPB are:
A.  Air embolism
B.  Pancreatitis
C.  Infection
D.  Myocardial depression
E.   Bleeding disorders

6. The most often bypassed artery during coronary artery bypass surgery:
A.  Left coronary artery
B.  Left anterior descending artery
C.  Right coronary artery
D.  Right marginal branch
E.   Left marginal branch

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