Test Bank For Modern Blood Banking & Transfusion Practices 7th Edition By Denise M Harmening ISBN;9780803668881,All Chapters 1- 29 Fully Covered ||Complete A+ Guide,Newest Version 2025.

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TRANSFUSION PRACTICES 7TH EDITION BY
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DENISE M HARMENING
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9780803668881CHAPTER1-29COMPLETE
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GUIDE ss

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Chapter 1 RBCsand Platelet Preservation: Historical Perspectives and Current Trends
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Multiple Choice ss


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 ss ss


b. Luebering-Rapoport shunt d. Methemoglobin reductase ss ss




2. A unit of blood was returned to the blood bank before it was spiked. Apparently the patient’s IV
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failed. The unit of blood was outside the blood bank for 35 minutes. Which of the statements
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below is most accurate?
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a. The unit of blood should be discarded immediately.
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b. The unit of blood can be returned to inventory. ss ss ss ss ss ss ss ss


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.
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3. What is the average diameter of a platelet?
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a. 5 to 10 µm ss c. 1 to 2 µm ss ss ss ss ss


b. 2 to 4 µm ss d. 4 to 6 µmss ss ss ss ss




4. In the normal hemoglobin-oxygen dissociation curve, what percentage of oxygen is released to
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the tissues when PO2
ss averages 40 mm Hg?
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a. 75% c. 100%
b. 25% d. 50%

5. What factors are known to influence platelet metabolism and function?
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a. Storage temperature c. Platelet count ss ss


b. Initial pH d. All of the above
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6. Which of the following red blood cell morphologies may be present on the peripheral blood smear
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as a result of loss of RBC membrane?
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a. Spherocytes c. Burr cells xx



b. Target cells d. Schistocytes ss




7. What does the term autologous transfusion refer to?
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a. A parent donating blood for his or her child
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b. An individual donating blood for a friend ss ss ss ss ss xx



c. An individual donating blood for a relativess xx ss xx ss ss


d. An individual donating blood for his or her own transfusion
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8. What is the primary function of hemoglobin?
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a. Iron metabolism c. Oxygen transport
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b. Porphyrin synthesis d. Signal transduction ss ss




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.
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b. RBC membrane. d. Hemoglobin structure.
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s s 10. What is the correct biochemical composition of the RBC membrane?
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a. 52% protein, 40% lipid, 8% carbohydrate
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b. 40% protein, 8% lipid, 52% carbohydrate
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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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s s 11. All of the following biochemical changes are associated with loss of red blood cell viability upon
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storage
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except:
a. Decreased pH. ss c. Increased ATP level. xx ss


b. Loss of red blood cell function. ss ss ss ss ss d. Decreased glucose consumption. ss ss




s s 12. Which red blood cell preservative has a storage time of 35 days?
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a. ACD c. AS-1
b. CPDA-1 d. CPD

s s 13. The RBC membrane is relatively permeable to all of the following except:
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a. Chloride. c. Bicarbonate.
b. Sodium. d. Water.

s s 14. What percentage of platelets is sequestered in the spleen as functional reserve after being released
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from the bone marrow?
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a. 30% c. 10%
b. 50% d. 25%

s s 15. What is the major biochemical consideration in platelet storage?
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a. Glucose metabolism c. Production of carbon dioxide
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b. Oxygen supply d. Regulation of pH
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s s 16. What would the hemoglobin-oxygen dissociation curve depict in a patient exhibiting clinical
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signs of alkalosis?
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a. Normal c. Shift to the right ss xx ss


b. Shift to the left ss d. None of the above
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s s 17. Name the main lipid components of a red blood cell membrane.
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a. Phospholipid c. Glycolipid
b. Sphingomyelin d. Glycophorin A ss




s s 18. The ABO blood groups were discovered in 1901 by whom?
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a. Charles Drew c. Loutit and Mollison
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b. Karl Landsteiner xx d. Edward Lindeman ss




s s 19. A standing order of platelets was shipped to your facility by your supplier. It was
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ssinadvertently left in the corner of the department until discovered 36 hours later. What would the
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appropriate action be for the blood banker?
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a. If the temperature in the box was 22 +/- 2°C and the platelet swirl seemed OK, it
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would be OK to accept the unit into inventory.
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b. The platelets have fallen outside the supplier’s quality assurance. The unit should
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be discarded because the pH has probably dropped too low and platelet
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activation has been compromised.
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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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