L
FT
Y L
FT
Y
MODERN BLOOD L
YFT
BANKING &
YFT L YFT L
TRANSFUSION
YFT L
PRACTICES 6TH
L
YFT L
YFT
EDITIONDENISEM.
YFT L L
FT
Y L
FT
Y
HARMENING
YFT L
,TEST BANK FOR MODERNBLOODBANKING
YFT L YFT L L
YFT L
YFT
& TRANSFUSION PRACTICES
YFT L YFT L YFT L
6TH EDITION L
YFT
DENISE M. HARMENING L
YFT YFT L
, Chapter 1 RBCs and Platelet Preservation: Historical Perspectives and Current Trends
L
T
F
Y L
YFT YFT L YFT L YFT L YFT L YFT L L
YFT YFTL YF
T L
Multiple Choice L
YF
T
Identify the choice that best completes the statement or answers the question.
L
YFT L
YFT L
YFT L
YFT YFT L L
YFT YFT L L
YFT YFT L YFT L YFT L
1. Which metabolic pathway is responsible for generating 90% of the ATP for the RBC?
L
YF
T YFT L L
YFT YFT L L
YFT YFT L YFT L YFT L L
YFT L
T
F
Y T
F
Y L YFT L L
YFT
a. Pentose phosphate shunt c. Glycolysis YFT L L
YFT
b. Luebering-Rapoport shunt d. Methemoglobin reductase L
YFT Y F T L Y F T L YFT L
2. A unit of blood was returned to the blood bank before it was spiked. Apparently the patient’s IV failed.
L
T
F
Y YFT L YFT L YFT L YFT L L
YFT YFT L L
YFT L
YFT YFT L YFT L L
YFT YFT L L
T
F
Y L
YFT L
YFT YFT L L
YFT
The unit of blood was outside the blood bank for 35 minutes. Which of the statements below is most
L
YFT YF TL YFT L Y FT L Y FT L YFT L YF T L YFT L Y FT L YF T L YFT L YFT L L
YFT YF T L YFT L YF T L YF T L YFT L YF T L
accurate? YFT L
a. The unit of blood should be discarded immediately. YFT L YFT L YFT L YFT L YFT L YFT L YFT L
b. The unit of blood can be returned to inventory. YFT L YFT L YFT L YFT L YFT L YFT L L
YFT L
YFT
c. The unit of blood must be transfused within 4 hours or be discarded at the end of that time.
YFT L L
YFT YFTL YFT L YFT L YFT L YFT L YFT L YFT L L
YFT L
YFT YFT L L
YFT YFT L YFT L L
YFT L
YFT YFT L
d. The unit of blood must be transfused with 24 hours. YFT L L
YFT YFTL L
YFT YFT L L
YFT L
YFT L
YFT YFT L
3. What is the average diameter of a platelet? YFT L YFTL YFT L YFTL YFT L YFTL L
YFT
a. 5 to 10 µm YFTL YFT L L
YFT c. 1 to 2 µm YFT L YFT L YFT L
b. 2 to 4 µm YFTL YFT L YFT L d. 4 to 6 µm Y F T L Y F T L YFT L L
YFT YFT L
4. In the normal hemoglobin-oxygen dissociation curve, what percentage of oxygen is released to the
L
YFT YFTL YFT L L
YFT L
YFT YFT L YFT L YFT L L
YFT L
YFT L
YFT L
YFT L
YFT
tissues when PO2 averages 40 mm Hg?
L
YFT YFT L Y FT L YF T L YF T L Y FT L YF T L
a. 75% c. 100%
b. 25% d. 50% Y F T L Y F T L
5. What factors are known to influence platelet metabolism and function?
YFT L YFT L L
YFT YFT L L
YFT L
YFT L
YFT L
YFT L
YFT
a. Storage temperature c. Platelet count YFT L YFTL
b. Initial pH d. All of the above YFT L Y F T L Y F T L Y FT L YFT L YFT L
6. Which of the following red blood cell morphologies may be present on the peripheral blood smear as a
YFT L YFT L L
YFT YFT L L
YFT YFTL YFT L YFT L L
YFT L
YFT YFT L L
YFT YFT L YFT L YFT L L
YFT L
YFT
result of loss of RBC membrane?
YFT L YF T L Y FT L YFT L YF TL YFT L
a. Spherocytes c. Burr cells L
YFT
b. Target cells d. Schistocytes L
T
F
Y Y F T L Y F T L
7. What does the term autologous transfusion refer to? YFT L YFT L YFT L YFTL YFT L L
YFT YFT L
a. A parent donating blood for his or her child L
T
F
Y YFT L YFT L L
YFT YFT L YFT L YFT L L
YFT
b. An individual donating blood for a friend YFT L YFT L L
YFT L
YFT L
YFT YFT L
c. An individual donating blood for a relative YFT L YFT L YFT L YFT L YFT L YFT L
d. An individual donating blood for his or her own transfusion YFT L YFT L YFT L YFT L YFT L L
YFT YFT L L
YFT YFT L
8. What is the primary function of hemoglobin? YFT L YFTL YFT L YFT L L
YFT YFT L
a. Iron metabolism c. Oxygen transport YFT L L
YFT
b. Porphyrin synthesis d. Signal transduction YFT L Y F T L Y F T L YFT L
9. All of the following areas of red blood cell biology are crucial for normal erythrocyte survival except:
L
YFT YFT L L
YFT YFT L YFT L L
YFT YFT L L
YFT YFT L L
YFT L
YFT YFT L L
YFT YFT L YFT L Y F T L
a. Cellular metabolism. c. Site of the ABO antigen attachment. L
YFT L
YFT YFT L T
F
YL L
YFT YFT L
b. RBC membrane. d. Hemoglobin structure. YFT L Y F T L Y F T L YFT L
This study source was downloaded by 100000826342158 from CourseHero.com on 09-15-2021 17:54:15 GMT
Y FT L YF T L YFT L L
YF T Y FT L Y FT L L
YFT YF T L Y FT L Y FT L YFT L L
YFT
-05:00
YFT L
https://www.coursehero.com/file/25537437/ch01rtf/
, Y F T L 10. Y F T What is the correct biochemical composition of the RBC membrane?
L Y F T L L
YFT YF T L Y FT L Y FT L L
YF T YF TL YFT L YF T L YFT L
a. 52% protein, 40% lipid, 8% carbohydrate YFT L YFT L L
YFT YFT L YFT L
b. 40% protein, 8% lipid, 52% carbohydrate YFT L YFT L YFT L YFTL YFT L
c. 8% protein, 52% lipid, 40% carbohydrate YFTL YFT L YFT L YFTL YFT L
d. 8% lipid, 40% carbohydrate, 52% protein YFTL L
YFT YFT L YFT L YF T L
Y F T L 11. Y F T L Y F T L All of the following biochemical changes are associated with loss of red blood cell viability upon
YF T L YF T L Y FT L YF T L YFT L Y FT L YF TL YFT L YFT L YFT L YF T L Y FT L YF T L L
YF T L
YFT
YFT storage
L
except:
a. Decreased pH. YFT L c. Increased ATP level. YFT L Y FT L
b. Loss of red blood cell function. YFT L YFT L L
YFT YFT L YFTL d. Decreased glucose consumption.
Y F T L Y F T L YFT L YFT L
Y F T L 12. Which red blood cell preservative has a storage time of 35 days?
Y F T L Y F T L YF T L L
YF T YF TL Y FT L YF TL YFT L YFT L Y FT L Y FT L YF TL Y FT L
a. ACD c. AS-1
b. CPDA-1 d. CPD Y F T L Y F T L
Y F T L 13. The RBC membrane is relatively permeable to all of the following except:
Y F T L Y F T L YF T L YF T L YF T L YF T L YFTL YF T L YF T L Y FT L YF T L YFT L Y F T L
a. Chloride. c. Bicarbonate.
b. Sodium. d. Water. Y F T L Y F T L
Y F T L 14. What percentage of platelets is sequestered in the spleen as functional reserve after being released
Y F T L YFT L YFTL YFT L YFT L YFT L YFT L YFT L YFT L L
YFT YFT L L
YFT YFT L L
YFT L
YFT
from the bone marrow?
L
YFT YFT L YFT L Y FT L
a. 30% c. 10%
b. 50% d. 25% Y F T L Y F T L
Y F T L 15. What is the major biochemical consideration in platelet storage?
Y F T L L
YFT L
YF T Y FT L YF T L YF T L YF T L YF T L Y FT L
a. Glucose metabolism c. Production of carbon dioxide YFT L YFTL YFTL YFT L
b. Oxygen supply d. Regulation of pH YFTL Y F T L Y F T L YFT L YFT L
Y F T L 16. What would the hemoglobin-oxygen dissociation curve depict in a patient exhibiting clinical
Y F T L L
YFT YFT L L
YFT L
YFT L
YFT YFTL YFTL YFT L YFT L YFT L L
YFT
signs of alkalosis?
YFT L YFT L YF T L
a. Normal c. Shift to the right L
YFT L
YFT YFT L
b. Shift to the left d. None of the above L
YFT YFTL YFT L Y F T L Y F T L L
YFT L
YF T YFT L
Y F T L 17. Name the main lipid components of a red blood cell membrane.
Y F T L Y F T L YF T L YFT L YF T L Y FT L Y FT L YF T L YFT L YFT L Y FT L Y FT L
a. Phospholipid c. Glycolipid
b. Sphingomyelin d. Glycophorin A Y F T L Y F T L L
T
F
Y
Y F T L 18. The ABO blood groups were discovered in 1901 by whom?
Y F T L Y F T L L
YFT Y FT L Y FT L YFT L YF T L YF T L YF T L YFT L YF TL
a. Charles Drew c. Loutit and Mollison YFT L YFTL YFT L
b. Karl Landsteiner d. Edward Lindeman L
YFT Y F T L Y F T L YFT L
Y F T L 19. A standing order of platelets was shipped to your facility by your supplier. It was inadvertently
Y F T L YF
T L Y FT L YF T L Y FT L L
YF T YFT L YF TL YF T L YF T L YFT L Y FT L L
YFT YFT L YF T L YFT L
left in the corner of the department until discovered 36 hours later. What would the appropriate action be
YFT L YFT L YF T L Y FT L YFT L YFTL YFT L YFT L YFT L YFT L YFT L YFT L L
YFT YFT L L
YFT L
YFT L
YFT YFT L
for the blood banker?
L
YFT YFT L L
YFT YF T L
a. If the temperature in the box was 22 +/- 2°C and the platelet swirl seemed OK, it would
YFT L YFT L YFT L YFT L YFT L YFT L YFTL YFT L YFT L L
YFT YFT L YFT L YFT L L
YFT L
YFT YFT L YFT L
be OK to accept the unit into inventory.
YFT L Y FT L YF T L Y FT L YF T L Y FT L YF T L L
YF T
b. The platelets have fallen outside the supplier’s quality assurance. The unit should be
L
YFT YFTL YFT L YFT L YFT L L
YFT YFTL YFT L L
YFT YFT L L
YFT YFT L
discarded because the pH has probably dropped too low and platelet activation has been YFT L YFTL YFT L YFT L L
YFT YFT L YFT L YFTL L
YFT YFT L YFT L L
YFT L
YFT
compromised. YFT L
c. If the temperature was 1°C to 6°C and the platelet swirl seemed OK, it would be OK to
L
YFT L
YFT YFTL YFT L YFT L L
YFT YFT L YFT L YFT L YFT L YFT L YFT L L
YFT L
YFT YFT L L
YFT YFT L
This study source was downloaded by 100000826342158 from CourseHero.com on 09-15-2021 17:54:15 GMT
Y FT L YF T L YFT L YF T L Y FT L Y FT L L
YFT YF T L Y FT L Y FT L YFT L L
YFT
-05:00
YFT L
https://www.coursehero.com/file/25537437/ch01rtf/