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MODERN BLOOD T L
BANKING &
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TRANSFUSION
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PRACTICES 6TH
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EDITIONDENISEM.
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HARMENING
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,TEST BANK FOR MODERNBLOODBANKING
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& TRANSFUSION PRACTICES
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6TH EDITION L
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DENISE M. HARMENING L
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, Chapter 1 RBCs and Platelet Preservation: Historical Perspectives and Current Trends
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Multiple Choice L
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Identify the choice that best completes the statement or answers the question.
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1. Which metabolic pathway is responsible for generating 90% of the ATP for the RBC?
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a. Pentose phosphate shunt c. Glycolysis T L L
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b. Luebering-Rapoport shunt d. Methemoglobin reductase L
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2. A unit of blood was returned to the blood bank before it was spiked. Apparently the patient’s IV failed. The
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unit of blood was outside the blood bank for 35 minutes. Which of the statements below is most accurate?
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a. The unit of blood should be discarded immediately. T L T L T L T L L
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b. The unit of blood can be returned to inventory. T L T L T L T L T L L
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c. The unit of blood must be transfused within 4 hours or be discarded at the end of that time.
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d. The unit of blood must be transfused with 24 hours. T L L
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3. What is the average diameter of a platelet? T L L
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a. 5 to 10 µm T L T L L
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b. 2 to 4 µm T L T L L
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4. In the normal hemoglobin-oxygen dissociation curve, what percentage of oxygen is released to the tissues
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when PO2 averages 40 mm Hg?
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a. 75% c. 100%
b. 25% d. 50% T L T L
5. What factors are known to influence platelet metabolism and function?
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a. Storage temperature c. Platelet count T L L
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b. Initial pH d. All of the above L
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6. Which of the following red blood cell morphologies may be present on the peripheral blood smear as a result
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of loss of RBC membrane?
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a. Spherocytes c. Burr cells L
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b. Target cells d. Schistocytes L
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7. What does the term autologous transfusion refer to? L
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a. A parent donating blood for his or her child L
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b. An individual donating blood for a friend T L T L L
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c. An individual donating blood for a relative L
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d. An individual donating blood for his or her own transfusion L
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8. What is the primary function of hemoglobin? T L L
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a. Iron metabolism T L c. Oxygen transport L
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b. Porphyrin synthesis L
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9. All of the following areas of red blood cell biology are crucial for normal erythrocyte survival except:
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a. Cellular metabolism. c. Site of the ABO antigen attachment. L
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b. RBC membrane. d. Hemoglobin structure. L
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, T L 10. T L T L What is the correct biochemical composition of the RBC membrane?T L T L T L T L T L L
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a. 52% protein, 40% lipid, 8% carbohydrate L
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b. 40% protein, 8% lipid, 52% carbohydrate L
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c. 8% protein, 52% lipid, 40% carbohydrate
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d. 8% lipid, 40% carbohydrate, 52% protein
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except:
a. Decreased pH. c. Increased ATP level. L
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b. Loss of red blood cell function. d. Decreased glucose consumption. L
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a. ACD c. AS-1
b. CPDA-1 d. CPD T L T L
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a. Chloride. c. Bicarbonate.
b. Sodium. d. Water. T L T L
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the bone marrow?
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a. 30% c. 10%
b. 50% d. 25% T L T L
T L 15. What is the major biochemical consideration in platelet storage?
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a. Glucose metabolism c. Production of carbon dioxide L
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b. Oxygen supply d. Regulation of pH L
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of alkalosis?
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a. Normal c. Shift to the right L
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a. Phospholipid c. Glycolipid
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T L 18. The ABO blood groups were discovered in 1901 by whom?
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a. Charles Drew c. Loutit and Mollison L
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b. Karl Landsteiner d. Edward Lindeman L
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corner of the department until discovered 36 hours later. What would the appropriate action be for the blood
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banker?
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a. If the temperature in the box was 22 +/- 2°C and the platelet swirl seemed OK, it would be
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OK to accept the unit into inventory. T L T L T L T L T L T L T L
b. The platelets have fallen outside the supplier’s quality assurance. The unit should be
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discarded because the pH has probably dropped too low and platelet activation has been L
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c. If the temperature was 1°C to 6°C and the platelet swirl seemed OK, it would be OK to
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