Blood Preservation and RBC Viability Quiz
10 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the goal of blood preservation?

  • To promote hemolysis
  • To decrease RBC viability
  • To maintain RBC integrity
  • To increase RBC viability (correct)

How is RBC viability measured?

  • By analyzing plasma composition
  • By measuring total hemoglobin levels
  • By counting the number of RBCs
  • By assessing free hemoglobin levels (correct)

What does increased free Hgb levels indicate?

  • Reduced hemolysis
  • Increased RBC integrity
  • Decreased RBC viability (correct)
  • Improved blood preservation

Why is it important to maintain red cell integrity throughout the shelf-life of stored RBCs?

<p>To reduce the risk of hemolysis after transfusion (D)</p> Signup and view all the answers

How are new preservation solutions and storage containers evaluated?

<p>By evaluating free Hemoglobin levels over time (C)</p> Signup and view all the answers

What happens to the percentage of hemolysis with the day of storage?

<p>It progressively increases (B)</p> Signup and view all the answers

How is post-transfusion RBC survival determined?

<p>By reinfusing labeled RBCs to the original donor (C)</p> Signup and view all the answers

'24-hour post-transfusion RBC survival at outdate' can be less than 75% due to what factor?

<p>'Critically ill patients' low RBC survival rate (D)</p> Signup and view all the answers

'The less the free haemoglobin over time, the more effective the preservative' - What does this statement suggest about preservative effectiveness?

<p>'Less free hemoglobin' indicates better preservation (C)</p> Signup and view all the answers

'The percentage hemolysis progressively increases with the day of storage' - What does this statement imply about stored RBCs?

<p>'Storage time' increases the risk of hemolysis (A)</p> Signup and view all the answers

More Like This

Clinical Presentation of Anemia
10 questions
1060 Unit 1 - Intro to Blood Banking
233 questions
Use Quizgecko on...
Browser
Browser