ABCP Basic Science UPDATED ACTUAL Questions and CORRECT Answers
1. Small quantities of air returning to a closed system via c
the venous line should:
a) Not be of concern as long as it doesn't cross to the
arterial side.
b) Alert the perfusionist to potential problems.
c) Elicit an immediate series of responses from the
perfusionist.
d) Is a surgical problem that the perfusionist cannot
correct.
2. During CPB: e (c & d)
a) Platelet counts increase 40% over normal over 2
hours.
b) Platelets demonstrate increased adherence.
c) Platelets sequester in the lungs.
d) Increased platelet factor IV levels are observed.
e) Two of the above
3. The most common emboli encountered in the mem- c
brane oxygenator is ?
a) Gaseous.
b) Fibrin-platelet.
c) Granulocyte-platelet.
d) Fat globules.
4. On the summit of Mt. Everest the barometric pressure d
is 250 mm Hg, the partial pressure of O2 is about .
a) 0.1 mm Hg
b) 0.5 mm Hg
, c) 5.0 mm Hg
d) 50 mm Hg
5. In which of the following conditions is CO2 retention b
most likely to occur?
a) Climbing a high mountain.
b) Ventilator failure.
c) Carbon Monoxide poisoning.
d) Increased sweep gas.
6. Which of the following is NOT true concerning the Lee d
White clotting method?
a) Normal coagulation time is 10 minutes.
b) Adequate prolongation with heparin for CPB is
40-50 minutes.
c) Factor XII must first be activated.
d) All are true.
7. ACTs: b
a) Use activated charcoal.
b) Demonstrate a linear dose-response between dose
and ACT extension.
c) Become more accurate with higher heparin
dosages.
d) Are extremely reliable under hypothermic condi-
tions.
8. Which of the following is NOT a particularly valuable d
measurement in assessing renal function?
, a) BUN.
b) Hgb.
c) Creatinine clearance.
d) Urine osmolality.
9. Normal awake MV02 is? b
a) 138 ml/min/m2.
b) 210 ml/min/m2.
c) 340 ml/min/m2.
d) 660 ml/min/m2.
10. Which of the following would NOT be a good pre-op- b
erative test for potential coagulopathies?
a) Platelet count.
b) Heparin assay.
c) PTT.
d) PT.
11. The ECG lead that is most sensitive to LV ischemia is d
which of the following:
a) I.
b) II.
c) AVR.
d) V5.
12. Activated Factor X is the first step in which of the b
following coagulation stages?
a) Intrinsic pathway.
b) Common pathway.
, c) Waterfall sequence.
d) Extrinsic pathway.
13. Normal serum potassium is approximately: b
a) 2 mEq./liter
b) .4 mEq./100cc.
c) .6 mEq./100cc.
d) 8 mEq./liter
14. For normal clotting to occur, which of the following is b
NOT necessary?
a) Calcium ion.
b) Fibrinolysin.
c) Prothrombin.
d) Fibrin.
15. The greatest increase in insulin levels occurs during e (a & c)
which phase of open-heart surgery?
a) Pre bypass.
b) On bypass during hypothermia.
c) On bypass during rewarming.
d) Post bypass.
e) Two of the above
16. Under normal resting conditions, the kidneys receive c
about what percentage of of the cardiac output?
a) 5%
b) 15%
1. Small quantities of air returning to a closed system via c
the venous line should:
a) Not be of concern as long as it doesn't cross to the
arterial side.
b) Alert the perfusionist to potential problems.
c) Elicit an immediate series of responses from the
perfusionist.
d) Is a surgical problem that the perfusionist cannot
correct.
2. During CPB: e (c & d)
a) Platelet counts increase 40% over normal over 2
hours.
b) Platelets demonstrate increased adherence.
c) Platelets sequester in the lungs.
d) Increased platelet factor IV levels are observed.
e) Two of the above
3. The most common emboli encountered in the mem- c
brane oxygenator is ?
a) Gaseous.
b) Fibrin-platelet.
c) Granulocyte-platelet.
d) Fat globules.
4. On the summit of Mt. Everest the barometric pressure d
is 250 mm Hg, the partial pressure of O2 is about .
a) 0.1 mm Hg
b) 0.5 mm Hg
, c) 5.0 mm Hg
d) 50 mm Hg
5. In which of the following conditions is CO2 retention b
most likely to occur?
a) Climbing a high mountain.
b) Ventilator failure.
c) Carbon Monoxide poisoning.
d) Increased sweep gas.
6. Which of the following is NOT true concerning the Lee d
White clotting method?
a) Normal coagulation time is 10 minutes.
b) Adequate prolongation with heparin for CPB is
40-50 minutes.
c) Factor XII must first be activated.
d) All are true.
7. ACTs: b
a) Use activated charcoal.
b) Demonstrate a linear dose-response between dose
and ACT extension.
c) Become more accurate with higher heparin
dosages.
d) Are extremely reliable under hypothermic condi-
tions.
8. Which of the following is NOT a particularly valuable d
measurement in assessing renal function?
, a) BUN.
b) Hgb.
c) Creatinine clearance.
d) Urine osmolality.
9. Normal awake MV02 is? b
a) 138 ml/min/m2.
b) 210 ml/min/m2.
c) 340 ml/min/m2.
d) 660 ml/min/m2.
10. Which of the following would NOT be a good pre-op- b
erative test for potential coagulopathies?
a) Platelet count.
b) Heparin assay.
c) PTT.
d) PT.
11. The ECG lead that is most sensitive to LV ischemia is d
which of the following:
a) I.
b) II.
c) AVR.
d) V5.
12. Activated Factor X is the first step in which of the b
following coagulation stages?
a) Intrinsic pathway.
b) Common pathway.
, c) Waterfall sequence.
d) Extrinsic pathway.
13. Normal serum potassium is approximately: b
a) 2 mEq./liter
b) .4 mEq./100cc.
c) .6 mEq./100cc.
d) 8 mEq./liter
14. For normal clotting to occur, which of the following is b
NOT necessary?
a) Calcium ion.
b) Fibrinolysin.
c) Prothrombin.
d) Fibrin.
15. The greatest increase in insulin levels occurs during e (a & c)
which phase of open-heart surgery?
a) Pre bypass.
b) On bypass during hypothermia.
c) On bypass during rewarming.
d) Post bypass.
e) Two of the above
16. Under normal resting conditions, the kidneys receive c
about what percentage of of the cardiac output?
a) 5%
b) 15%
