100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Modern Blood Banking & Transfusion Practices 7th Edition Test Bank by Denise M. Harmening $18.49   Add to cart

Exam (elaborations)

Modern Blood Banking & Transfusion Practices 7th Edition Test Bank by Denise M. Harmening

 4 views  0 purchase
  • Course
  • Modern Blood Banking & Transfusion Practices
  • Institution
  • Modern Blood Banking & Transfusion Practices

The document is not the original book; it's a handy collection of pre-written exam questions and answers that helps educators gauge students' understanding of the course material. It’s a great resource for creating quizzes and exams, saving teachers time and ensuring students are assessed f...

[Show more]

Preview 4 out of 230  pages

  • October 23, 2024
  • 230
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
book image

Book Title:

Author(s):

  • Edition:
  • ISBN:
  • Edition:
  • Modern Blood Banking & Transfusion Practices
  • Modern Blood Banking & Transfusion Practices
avatar-seller
QuizNursing
Modern Blood Banking & Transfusion Practices 7th Edition Test Bank

Chapter 1. Red Blood Cells 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 effect does storage have on platelets?
a. Shrinking c. Repulsion
b. Lysis d. All of these.

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

____ 5. What factors are known to influence platelet metabolism and function?
a. Storage temperature c. Platelet count
b. Initial pH d. All of the above

____ 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

____ 7. What does the term autologous transfusion refer to?
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
d. An individual donating blood for his or her own transfusion

____ 8. What is the primary function of hemoglobin?
a. Iron metabolism c. Oxygen transport

, Modern Blood Banking & Transfusion Practices 7th Edition Test Bank

b. Porphyrin synthesis d. Signal transduction

____ 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.

____ 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:
a. chloride. c. bicarbonate.
b. sodium. d. water.

____ 14. Red blood cells frozen using the high-concentration glycerol technique are usually stored at
a. 0oC c. -65oC
o
b. -20 C d. -80oC

____ 15. What is the major biochemical consideration in platelet storage?
a. Glucose metabolism c. Production of carbon dioxide
b. Oxygen supply d. Regulation of pH

____ 16. What would the hemoglobin-oxygen dissociation curve depict in a patient exhibiting clinical signs of
alkalosis?
a. Normal c. Shift to the right
b. Shift to the left d. None of the above

____ 17. Name the main lipid components of a red blood cell membrane.
a. Phospholipid c. Glycolipid
b. Sphingomyelin d. Glycophorin A

____ 18. The ABO blood groups were discovered in 1901 by whom?
a. Charles Drew c. Loutit and Mollison
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 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
accept the unit into inventory.

, Modern Blood Banking & Transfusion Practices 7th Edition Test Bank

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. Why are platelet transfusions performed?
a. Therapeutically to stop bleeding c. Both reasons.
b. Prophylactically to prevent bleeding d. Neither reason.

____ 23. What cryoprotective agent is added to red blood cells upon freezing?
a. Dextrose c. Glycerol
b. Adsol d. All of the above

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

____ 25. Platelets are transfused to play which role in hemostasis?
a. Maintenance of vascular integrity
b. Initial arrest of bleeding by platelet plug formation
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
b. Span the entire membrane surface
c. Form the red blood cell cytoskeleton
d. None of the above

____ 27. How is stroma-free hemoglobin solution prepared?
a. Outdated red blood cells are concentrated, and stroma is removed.
b. Outdated red blood cells are diluted with saline, and stroma is removed.
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?
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.
c. increase in calcium level.
d. decrease in spectrin phosphorylation level.

____ 30. One of the most important controls of hemoglobin's affinity for oxygen is:
a. glucose. c. K+.
b. 2,3-diphosphoglycerate (2,3-DPG). d. Ca++.

, Modern Blood Banking & Transfusion Practices 7th Edition Test Bank


____ 31. The normal position of the oxygen dissociation curve depends on three ligands normally found within
the RBC. Which one of the following is not one of these ligands?
a. H+ ions c. 2,3-diphosphoglycerate (2,3-DPG)
b. CO2 d. Na+

____ 32. Which of the following events does not occur while RBCs are stored?
a. 2,3-DPG levels increase.
b. Potassium levels increase.
c. Hgb has a decreased affinity for oxygen carrying capacity.
d. 2,3-DPG and potassium levels increase.

____ 33. In order to maintain ATP levels in stored blood, ______________ can be added to CPD to extend the
shelf-life of stored RBCs from 21 days to 35 days. This new preservative is designated as CPDA-1.
a. mannitol c. adenine and glucose
b. adenine saline d. Rejuvenix

____ 34. Which type of blood storage container is no longer available for use in the United States because it
may limit the viability of RBCs?
a. Glass bottles c. DEHP-free polyolefin containers
b. PVC plastic bags with DEHP d. Latex-free plastic containers

____ 35. A rare unit of blood became outdated 48 hours ago but is needed for a patient. Which of the following
concepts applies to this situation?
a. The blood could be rejuvenated by adding Rejuvesol, being washed appropriately, and
being transfused within 48 hours.
b. The blood could be rejuvenated with Rejuvesol, washed, and given immediately to the
patient.
c. Once a unit is outdated, it is no longer available for use.
d. The unit can be rejuvenated immediately, washed, and stored in the appropriate
refrigerator until needed later in the week.

____ 36. FDA-approved rejuvenation solution contains all of the following EXCEPT:
a. adenine c. inosine
b. glycerin d. phosphate

____ 37. Rejuvenated RBCs may be prepared up to three days after expiration when stored in all of
these EXCEPT:
a. ACD
b. AS-1
c. CPD
d. CPDA-1

____ 38. When is the corrected count increment (CCI) of platelets is usually determined?
a. Immediately prior to transfusion. c. Ten to 60 minutes after transfusion.
b. During the transfusion procedure. d. One to two days after transfusion.

____ 39. Generally, the quality control measurements required by various accreditation organizations for
platelet concentrates include:
a. platelet concentrate volume and platelet count.
b. leukocyte count if claims of leukoreduction are made.
c. pH of the unit.
d. All of the above

____ 40. Which of the following is not a major factor that influences platelet shape and activation while the
platelet is in storage?

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 QuizNursing. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $18.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

83637 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
$18.49
  • (0)
  Add to cart