Page 46 - ANZCP Gazette NOVEMBER 2022

1. The principle involved in the Fiber-Optic balloon Sensor (FOS) pressure transducer is ____________________
a) Pressure applied to the diaphragm on transducer changes the electrical voltage.
b) Pressure applied to the diaphragm on FOS changes the light level.
c) Change in voltage level is directly proportional to the change in the patient pressure.
d) Change in light level is directly proportional to the change in the patient pressure.
e) Both B & D are correct.
2. Which of the following therapeutic techniques are unequivocally indicated in the treatment of Massive Air Embolism (MAE) occurring during cardio-pulmonary bypass?
1. Retrograde Cerebral Perfusion
2. Administration of thiopentone
3. Hyperbaric Oxygen Therapy (HBT)
4. Administration of dexamethasone
a) 1,2,3 Correct
b) 1,3 Correct
c) 2,4 Correct
d) 4 Correct
e) All Correct
3. The outlet of retrograde cardioplegia is all of the following , EXCEPT,
a) RCA into aorta
b) LCA into aorta
c) Thebesian veins into R A, RV
d) Thebesian veins into IVC
4. Which of the following events is expected on CPB after closing a patent Blalock-Taussig shunt in a case with Tetralogy of Fallot,
a) CVP drops to zero
b) mean arterial pressure increases
c) arterial pCO2 improves
d) arterial pO2 improves
5. With regard to Protamine Sulfate:
a) Protamine is a strongly acidic substance.
b) Heparin reversal by protamine occurs with the breakdown
of a Heparin-Protamine active salt complex.
c) An allergic reaction to protamine can be present in patients receiving insulin for diabetic treatment.
d) Patient's having demonstrated an allergic reaction to fish in the past may also present an allergic reaction to protamine.
e) Only “c” and “d” are correct.
6. Almost empty reservoir, low arterial pressure with empty heart on CPB is diagnostic of which of the following conditions.
a) Incomplete occlusion of roller pump-head
b) Wrong calculation of body surface area, hence wrong flows
c) Recirculating line open
d) Retroperitoneal dissection due to femoral cannula
7. ECG changes in hyperkalaemia include: a) ST depression
b) T wave inversion
c) P wave flattening
d) causes ST segment elevation
e) causes a prolonged QT interval
8. In a normal cardiac cycle:
a) RA ejection precedes LA ejection
b) RV contraction starts before LV contraction
c) LV ejection starts before RV ejection
d) Pulmonary valve closes before aortic valve
e) Aortic valve closes after pulmonary valve in expiration
9. Cerebral blood flow is autoregulated best between the mean pressure limits of _______ mmHg.
a) 40–120 b) 50–200 c) 60–140 d) 30–100
10. All of the following ions are actively reabsorbed in the ascending loop of Henle except:
a) sodium
b) potassium c) chloride
d) bicarbonate
MULTIPLE CHOICE 5
Sreenivasulu Galaeti CCP, FANZCP
43 NOVEMBER 2022 | www.anzcp.org