ABCP BASIC SCIENCE EXAM-REAL ACTUAL EXAM-ALL QUESTIONS-
LATEST UPDATE 2025 | COMPLETE QUESTIONS WITH CORRECT
DETAILED AND VERIFIED ANSWERS | RATED 100% CORRECT |
GUARANTEED PASS!! ALREADY GRADED A+
1. Small quantities of air returning to a closed system via 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.: c 2. During CPB:
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: e (c & d)
3. The most common emboli encountered in the membrane oxygenator is ?
a) Gaseous.
b) Fibrin-platelet.
c) Granulocyte-platelet.
d) Fat globules.: c
4. On the summit of Mt. Everest the barometric pressure 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: d
5. In which of the following conditions is CO2 retention most likely to occur? a) Climbing a high
mountain.
,b) Ventilator failure.
c) Carbon Monoxide poisoning.
d) Increased sweep gas.: b
6. Which of the following is NOT true concerning the Lee 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.: d 7. ACTs:
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 conditions.: b
8. Which of the following is NOT a particularly valuable measurement in assessing renal function?
a) BUN.
b) Hgb.
c) Creatinine clearance.
d) Urine osmolality.: d
9. Normal awake MV02 is?
a) 138 ml/min/m2.
b) 210 ml/min/m2.
c) 340 ml/min/m2.
d) 660 ml/min/m2.: b
10. Which of the following would NOT be a good pre-operative test for potential coagulopathies?
a) Platelet count.
b) Heparin assay.
c) PTT.
d) PT.: b
11. The ECG lead that is most sensitive to LV ischemia is which of the following:
a) I.
b) II.
,c) AVR.
d) V5.: d
12. Activated Factor X is the first step in which of the following coagulation stages?
a) Intrinsic pathway.
b) Common pathway.
c) Waterfall sequence.
d) Extrinsic pathway.: b
13. Normal serum potassium is approximately:
a) 2 mEq./liter
b) .4 mEq./100cc.
c) .6 mEq./100cc.
d) 8 mEq./liter: b
14. For normal clotting to occur, which of the following is NOT necessary? a) Calcium ion.
b) Fibrinolysin.
c) Prothrombin.
d) Fibrin.: b
15. The greatest increase in insulin levels occurs during 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: e (a & c)
16. Under normal resting conditions, the kidneys receive about what percentage of of the cardiac
output?
a) 5%
b) 15%
c) 25%
d) 35%: c
17. The complement system is critical to the mechanisms of:
a) Blood-gas exchange.
b) Glucose metabolism.
, c) Inflammation and phagocytosis.
d) Renal excretion of macro-proteins.: c
18. Which of the phase of the cardiac cycle specifically accounts for 90 percent of the myocardial
oxygen consumption?
a) Systole.
b) Isovolumic contraction.
c) Ejection.
d) Diastolic filling.: b
19. Which of the following is TRUE of osmotic forces?
a) Any COP gradient will affect the movement of water.
b) Low COP results in the net movement of water into the intravascular space.
c) The posterior pituitary regulates osmolality.
d) Increased ADH secretion may account for plasma hypertonicity one to three days post-CPB.
e) Two of the above: e (a & c)
20. The normal platelet count range would include?
a) 20,000/mm3
b) 100,000/mm3
c) 200,000/mm3
d) 50,000/mm3: c
21. 71. The solubility coefficient of a gas in a liquid does not depend upon which of the following?
a) The liquid.
b) The temperature.
c) The concentration.
d) The gas.: c
22. Introduction of H+ into the tubular fluid is accomplished by?
a) Glomerular filtration.
b) Secretion.
c) Reabsorption.
d) Exceeding transfer maximums.: b
23. When organic anions are excreted in the kidneys, what ion is generally reabsorbed from the
tubular fluid to maintain a electrical neutrality? a) Bicarbonates.
b) Chlorides.
LATEST UPDATE 2025 | COMPLETE QUESTIONS WITH CORRECT
DETAILED AND VERIFIED ANSWERS | RATED 100% CORRECT |
GUARANTEED PASS!! ALREADY GRADED A+
1. Small quantities of air returning to a closed system via 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.: c 2. During CPB:
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: e (c & d)
3. The most common emboli encountered in the membrane oxygenator is ?
a) Gaseous.
b) Fibrin-platelet.
c) Granulocyte-platelet.
d) Fat globules.: c
4. On the summit of Mt. Everest the barometric pressure 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: d
5. In which of the following conditions is CO2 retention most likely to occur? a) Climbing a high
mountain.
,b) Ventilator failure.
c) Carbon Monoxide poisoning.
d) Increased sweep gas.: b
6. Which of the following is NOT true concerning the Lee 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.: d 7. ACTs:
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 conditions.: b
8. Which of the following is NOT a particularly valuable measurement in assessing renal function?
a) BUN.
b) Hgb.
c) Creatinine clearance.
d) Urine osmolality.: d
9. Normal awake MV02 is?
a) 138 ml/min/m2.
b) 210 ml/min/m2.
c) 340 ml/min/m2.
d) 660 ml/min/m2.: b
10. Which of the following would NOT be a good pre-operative test for potential coagulopathies?
a) Platelet count.
b) Heparin assay.
c) PTT.
d) PT.: b
11. The ECG lead that is most sensitive to LV ischemia is which of the following:
a) I.
b) II.
,c) AVR.
d) V5.: d
12. Activated Factor X is the first step in which of the following coagulation stages?
a) Intrinsic pathway.
b) Common pathway.
c) Waterfall sequence.
d) Extrinsic pathway.: b
13. Normal serum potassium is approximately:
a) 2 mEq./liter
b) .4 mEq./100cc.
c) .6 mEq./100cc.
d) 8 mEq./liter: b
14. For normal clotting to occur, which of the following is NOT necessary? a) Calcium ion.
b) Fibrinolysin.
c) Prothrombin.
d) Fibrin.: b
15. The greatest increase in insulin levels occurs during 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: e (a & c)
16. Under normal resting conditions, the kidneys receive about what percentage of of the cardiac
output?
a) 5%
b) 15%
c) 25%
d) 35%: c
17. The complement system is critical to the mechanisms of:
a) Blood-gas exchange.
b) Glucose metabolism.
, c) Inflammation and phagocytosis.
d) Renal excretion of macro-proteins.: c
18. Which of the phase of the cardiac cycle specifically accounts for 90 percent of the myocardial
oxygen consumption?
a) Systole.
b) Isovolumic contraction.
c) Ejection.
d) Diastolic filling.: b
19. Which of the following is TRUE of osmotic forces?
a) Any COP gradient will affect the movement of water.
b) Low COP results in the net movement of water into the intravascular space.
c) The posterior pituitary regulates osmolality.
d) Increased ADH secretion may account for plasma hypertonicity one to three days post-CPB.
e) Two of the above: e (a & c)
20. The normal platelet count range would include?
a) 20,000/mm3
b) 100,000/mm3
c) 200,000/mm3
d) 50,000/mm3: c
21. 71. The solubility coefficient of a gas in a liquid does not depend upon which of the following?
a) The liquid.
b) The temperature.
c) The concentration.
d) The gas.: c
22. Introduction of H+ into the tubular fluid is accomplished by?
a) Glomerular filtration.
b) Secretion.
c) Reabsorption.
d) Exceeding transfer maximums.: b
23. When organic anions are excreted in the kidneys, what ion is generally reabsorbed from the
tubular fluid to maintain a electrical neutrality? a) Bicarbonates.
b) Chlorides.
