CABG Surgery Quiz
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What should the activated clotting time be prior to initiation o cardiopulmonary bypass (CPB)
A. < 150 seconds B. > 200 seconds but < 350 seconds C. > 350 seconds but < 450 seconds D. > 400 seconds
What dose of Protamine is used to reverse the effect of heparin?
A. 4 mg/100 units of heparin.
B. 3 mg/100 units of heparin.
C. 2 mg/100 units of heparin.
D. 1 mg/100 units of heparin
The only clinically proven method to reduce the risk of perioperative myocardial infarction (MI) and associated death is…
A. Perioperative β-blocker therapy
B. Perioperative clonidine therapy
C. Both A and B
D. An ultrasound
Which two leads are monitored simultaneously in perioperative period?
A. Lead V5 followed by V4
B. Lead ll followed by V6
C. Leads II and V5
D. Leads V1 and V6
What medicine is routinely given to reverse the effect of heparin?
A. Fresh frozen plasma
B. Protamine
C. Antithrombin III
D. Vitamin K
Which of the following inhalational agents causes the least coronary vasodilation?
A. Halothane
B. Isoflurane
C. Desflurane
D. Sevoflurane
Which of the following monitors is started post-induction in CABG?
A. Temperature
B. CVP
C. A-line
D. MEP
Coronary perfusion pressure is…
A. Arterial diastolic pressure minus left-ventricular end diastolic pressure
B. Arterial diastolic pressure minus left-ventricular end systolic pressure
C. Arterial systolic pressure minus left-ventricular end diastolic pressure
D. Arterial systolic pressure minus left-ventricular end systolic pressure
Which of the following has no coronary vasodilating potential?
A. Nitrates
B. Verapamil
C. Dihydropyridines
D. β-Blockers
What dose of protamine sulfate would be appropriate to reverse 5,000 units of heparin?
A. 500 µg
B. 5 mg
C. 50 mg
D. 5 µg
Diastolic arrest for myocardial preservation during CABG is known as:
A. Cardioplegia
B. Retrograde perfusio
C. Anterograde perfusion
D. Ischemia initiation
At what point on the cardiac pressure–volume loop shown in Figure 9.3 can preload be determined?
(Exam 1 – Passing the Primary FRCA SOE)
A. Point A
B. Point B
C. Point C
D. Point D
All of the following monitoring are used in CABG except
A. BIS
B. CVP
C. TEE
D. SSEP
The systolic components of the arterial pressure waveform follow which ECG wave?
A. P wave
B. Q wave
C. R wave
D. T wave
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