100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Test Bank for Modern Blood Banking & Transfusion Practices 6th Edition Denise M. Harmening $11.29
Add to cart

Exam (elaborations)

Test Bank for Modern Blood Banking & Transfusion Practices 6th Edition Denise M. Harmening

 0 view  0 purchase
  • Course
  • Institution

Test Bank for Modern Blood Banking & Transfusion Practices 6th Edition Denise M. Harmening

Preview 4 out of 208  pages

  • January 17, 2022
  • 208
  • 2021/2022
  • Exam (elaborations)
  • Questions & answers
avatar-seller
TEST BANK FOR MODERN BLOOD BANKING
& TRANSFUSION PRACTICES
6TH EDITION
DENISE M. HARMENING

, Chapter 1 RBCs and Platelet Preservation: Historical Perspectives and Current Trends

Multiple Choice
Identify the choice that best completes the statement or answers the question.

____ 1. Which metabolic pathway is responsible for generating 90% of the ATP for the RBC?
a. Pentose phosphate shunt c. Glycolysis
b. Luebering-Rapoport shunt d. Methemoglobin reductase

____ 2. A unit of blood was returned to the blood bank before it was spiked. Apparently the patient’s IV failed. The
unit of blood was outside the blood bank for 35 minutes. Which of the statements below is most accurate?
a. The unit of blood should be discarded immediately.
b. The unit of blood can be returned to inventory.
c. The unit of blood must be transfused within 4 hours or be discarded at the end of that time.
d. The unit of blood must be transfused with 24 hours.

____ 3. What is the average diameter of a platelet?




m
er as
a. 5 to 10 µm c. 1 to 2 µm
b. 2 to 4 µm d. 4 to 6 µm




co
eH w
____ 4. In the normal hemoglobin-oxygen dissociation curve, what percentage of oxygen is released to the tissues




o.
when PO2 averages 40 mm Hg?
a. 75%
rs e c. 100%
ou urc
b. 25% d. 50%

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

b. Initial pH d. All of the above
aC s
vi y re


____ 6. Which of the following red blood cell morphologies may be present on the peripheral blood smear as a result
of loss of RBC membrane?
a. Spherocytes c. Burr cells
b. Target cells d. Schistocytes
ed d




____ 7. What does the term autologous transfusion refer to?
ar stu




a. A parent donating blood for his or her child
b. An individual donating blood for a friend
c. An individual donating blood for a relative
is




d. An individual donating blood for his or her own transfusion
Th




____ 8. What is the primary function of hemoglobin?
a. Iron metabolism c. Oxygen transport
b. Porphyrin synthesis d. Signal transduction
sh




____ 9. All of the following areas of red blood cell biology are crucial for normal erythrocyte survival except:
a. Cellular metabolism. c. Site of the ABO antigen attachment.
b. RBC membrane. d. Hemoglobin structure.




This study source was downloaded by 100000826342158 from CourseHero.com on 09-15-2021 17:54:15 GMT -05:00


https://www.coursehero.com/file/25537437/ch01rtf/

, ____ 10. What is the correct biochemical composition of the RBC membrane?
a. 52% protein, 40% lipid, 8% carbohydrate
b. 40% protein, 8% lipid, 52% carbohydrate
c. 8% protein, 52% lipid, 40% carbohydrate
d. 8% lipid, 40% carbohydrate, 52% protein

____ 11. All of the following biochemical changes are associated with loss of red blood cell viability upon storage
except:
a. Decreased pH. c. Increased ATP level.
b. Loss of red blood cell function. d. Decreased glucose consumption.

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

____ 13. The RBC membrane is relatively permeable to all of the following except:




m
er as
a. Chloride. c. Bicarbonate.
b. Sodium. d. Water.




co
eH w
____ 14. What percentage of platelets is sequestered in the spleen as functional reserve after being released from the




o.
bone marrow?
a. 30%
rs e c. 10%
ou urc
b. 50% d. 25%

____ 15. What is the major biochemical consideration in platelet storage?
a. Glucose metabolism c. Production of carbon dioxide
o

b. Oxygen supply d. Regulation of pH
aC s


____ 16. What would the hemoglobin-oxygen dissociation curve depict in a patient exhibiting clinical signs of
vi y re



alkalosis?
a. Normal c. Shift to the right
b. Shift to the left d. None of the above
ed d




____ 17. Name the main lipid components of a red blood cell membrane.
ar stu




a. Phospholipid c. Glycolipid
b. Sphingomyelin d. Glycophorin A

____ 18. The ABO blood groups were discovered in 1901 by whom?
is




a. Charles Drew c. Loutit and Mollison
Th




b. Karl Landsteiner d. Edward Lindeman

____ 19. A standing order of platelets was shipped to your facility by your supplier. It was inadvertently left in the
corner of the department until discovered 36 hours later. What would the appropriate action be for the blood
sh




banker?
a. If the temperature in the box was 22 +/- 2°C and the platelet swirl seemed OK, it would be
OK to accept the unit into inventory.
b. The platelets have fallen outside the supplier’s quality assurance. The unit should be
discarded because the pH has probably dropped too low and platelet activation has been
compromised.
c. If the temperature was 1°C to 6°C and the platelet swirl seemed OK, it would be OK to


This study source was downloaded by 100000826342158 from CourseHero.com on 09-15-2021 17:54:15 GMT -05:00


https://www.coursehero.com/file/25537437/ch01rtf/

, accept the unit into inventory.
d. If the platelets appeared OK and passed the platelet swirl test after being placed on the
agitator, they could be accepted into the inventory.
____ 20. Which metabolic pathway permits the accumulation of 2,3 diphosphoglycerate (2,3-DPG)?
a. Glycolysis c. Pentose phosphate shunt
b. Luebering-Rapoport shunt d. Methemoglobin reductase

____ 21. All of the following are consistent with a "shift to the right" of the hemoglobin-oxygen dissociation curve
except:
a. Increased 2,3-DPG.
b. 50% O2 saturation to tissues.
c. Decreased 2,3-DPG.
d. Decreased hemoglobin affinity for O2.

____ 22. What is the normal platelet count range per cubic millimeter?
a. 100 to 350 c. 50,000 to 200,000
b. 150,000 to 350,000 d. 350,000 to 500,000




m
er as
____ 23. What cryoprotective agent is added to red blood cells upon freezing?




co
a. Dextrose c. Glycerol




eH w
b. Adsol d. All of the above




o.
a. 1°C to 6°C rs e
____ 24. If platelets are to be stored for 5 days on a rotator, what is the optimal storage temperature?
c. 35°C to 37°C
ou urc
b. 20°C to 24°C d. 1°C to 10°C

____ 25. What role do platelets play in hemostasis?
o

a. Maintenance of vascular integrity
aC s


b. Initial arrest of bleeding by platelet plug formation
vi y re


c. Stabilization of the hemostatic plug
d. All of the above

____ 26. Which of the following best describes "integral" membrane proteins?
a. Reside at the cytoplasmic surface of membrane
ed d




b. Span the entire membrane surface
ar stu




c. Form the red blood cell cytoskeleton
d. None of the above

____ 27. How is stroma-free hemoglobin solution prepared?
is




a. Outdated red blood cells are concentrated, and stroma is removed.
b. Outdated red blood cells are diluted with saline, and stroma is removed.
Th




c. Outdated red blood cells are lysed, and stroma is removed.
d. None of the above

____ 28. What is the normal life span of an RBC?
sh




a. 100 days c. 120 hours
b. 120 days d. 2 days

____ 29. Regarding loss of RBC membrane deformability, all of the following are true except:
a. Increase in ATP level.
b. Decrease in ATP level.



This study source was downloaded by 100000826342158 from CourseHero.com on 09-15-2021 17:54:15 GMT -05:00


https://www.coursehero.com/file/25537437/ch01rtf/

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Crate. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $11.29. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

53068 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$11.29
  • (0)
Add to cart
Added