08 Blood & Blood Components

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BLOOD CELLULAR ELEMENTS & LOCATION OF FORMATION
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What are the two methods for collecting blood or blood components?
Manual - Collection in a bag.

Automated - Collection on an apheresis machine.
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What is manual blood collection?
Collection of blood in a bag.
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What is automated blood collection?
Collection of blood using an apheresis machine.
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List the differences between manual and automated blood collection.
Volume variations: Larger for apheresis.

Quantity of cellular elements: Larger for apheresis.

Manufacturing process: More manipulation in processing manual collections.
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Larger
Volume variations are ______ for apheresis compared to manual blood collection.
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Larger
The quantity of cellular elements is ______ for apheresis compared to manual collection.
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More
The manufacturing process involves ______ manipulation in processing manual collections.
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Which of the following are differences between manual and automated blood collection?
Quantity of cellular elements larger for apheresis
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What is automated blood collection?
Collection on an apheresis machine
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What is manual blood collection?
Collection in a bag
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MANUAL BLOOD COLLECTION
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AUTOMATED BLOOD COLLECTION
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Whole Blood (WB):
Non Leukocyte-reduced (Non LR)

Leukocyte-reduced (LR)
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Red Blood Cells (RBCs), aka Packed Cells:
Non LR-RBCs

Leukocyte-reduced RBCs (LR-RBCs)

Washed RBCs (W-RBCs)

Frozen/Deglycerolized RBCs (F-RBCs / Deglyc-RBCs)
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Non LR and LR
Whole blood can be categorized into _______ and _______ based on leukocyte reduction.
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W-RBCs
Washed RBCs are also known as _______.
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F-RBCs or Deglyc-RBCs
Frozen RBCs are also referred to as _______ or _______.
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Which of the following is NOT a type of RBC preparation?
Non-Washed WB
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What does LR in blood components stand for?
B) Leukocyte Reduction
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Frozen RBCs are prepared by which of the following methods?
Deglycerolization
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Granulocytes:
A component of blood consisting of white blood cells with granules.
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Platelets (Plt):
Non-Leukocyte Reduced (Non-LR)

Leukocyte Reduced (LR)
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Platelet Concentrates (Plt Conc):
Made from whole blood donation.

Commonly referred to as "Random."
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Plateletpheresis (Pltph)
Collected via an apheresis machine.
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Cold-stored Platelets:
Stored at cooler temperatures for specific uses.
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Random
Platelet concentrates made from whole blood donations are commonly called _______.
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Plateletpheresis (Pltph)
______ platelets are collected using an apheresis machine.
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Platelet Concentrates, Plateletpheresis, Cold-stored
Platelet products include _______, _______, and _______ platelets.
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Which of the following is NOT a type of platelet product?
Plasma Platelets
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What does "Plt Conc" stand for?
Platelet Concentrates
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How are Plateletpheresis products collected?
Using an apheresis machine
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Plasma
➢ Fresh Frozen Plasma (FFP)

➢ Plasma Frozen within 24 hrs from collection (PF24)

➢Cryoprecipitate (Cryo)

➢ NEW-Freeze-Dried Plasma (FDP)
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CPD (Citrate Phosphate Dextrose):
An anticoagulant preservative used in blood collection bags.
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CP2D (Citrate Phosphate Double Dextrose):
A variation of CPD with double dextrose for blood preservation.
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ACD (Acid Citrate Dextrose):
An anticoagulant preservative with acidic properties.
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CPDA-1 (Citrate Phosphate Dextrose Adenine):
Includes adenine to extend the shelf life of stored blood.
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Additive Solutions:
Include:
AS-1 (Adsol)
AS-3 (Nutricel)
AS-5 (Optisol)
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CPDA-1
_______ is an anticoagulant preservative that includes adenine for longer blood storage.
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Additive
AS-1, AS-3, and AS-5 are examples of _______ solutions used in blood collection bags.
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Citrate Phosphate Double Dextrose
CP2D stands for _______.
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Which of the following is an additive solution?
AS-1
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What is the primary function of CPDA-1 in blood storage?
To extend RBC shelf life.
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Which anticoagulant preservative is known for its acidic properties?
ACD
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CPD, CP2D, ACD Expiration:
These anticoagulant preservatives have a 21-day expiration.
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CPDA-1 Expiration:
CPDA-1 has a 35-day expiration.
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Additive Solutions Expiration:
Additive solutions have a 42-day expiration.
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Legal Note on Blood Product Use:
It is illegal to use blood products:

Past the expiration date.

Exceeding applicable temperature ranges.

Products exceeding these parameters are unsuitable for transfusion.
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35-day
CPDA-1 has a _______ expiration period
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42
Additive solutions can preserve blood for _______ days.
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No longer useable
Blood products that exceed temperature ranges are _______ for transfusion purposes.
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What is the expiration period for CPD, CP2D, and ACD preservatives?
21 days
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Which of the following statements is true?
Additive solutions have the longest expiration of 42 days.
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Why is it illegal to use expired blood products?
They are unsuitable for transfusion purposes.
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RBC Storage Lesion: Biochemical & Morphological Changes

Biochemical Changes
↓ Glucose

↓ ATP (causes ↑ Hemoglobin O₂ affinity)

↓ 2,3 DPG (declines rapidly after 1-2 weeks, causing ↑ Hemoglobin O₂ affinity)

↓ pH

↑ K⁺ in the supernatant

↑ Free Hemoglobin
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Morphological Changes
Irreversible shape deformity

↑ Osmotic Fragility
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2,3 DPG
A decrease in __________ during RBC storage leads to an increase in hemoglobin oxygen affinity.
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Irreversible
Morphological changes in RBCs during storage include __________ shape deformity.
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Potassium (K⁺)
As RBCs are stored, __________ levels in the supernatant increase.
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Which of the following is a biochemical change in stored RBCs?
↓ Glucose
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What happens to 2,3 DPG levels during the storage of RBCs?
Decreases rapidly after 1-2 weeks
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Which of the following is a morphological change in stored RBCs?
Increased osmotic fragility
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Which parameter increases in the supernatant of stored RBCs?
K⁺
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Platelet Storage Lesion: Morphological Changes

Terms and Definitions:

Biochemical Changes
↓ Glucose

↓ pH

↑ Lactate dehydrogenase (LDH)
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Morphological Changes
Very fragile/fragmentation; degranulation occurs

Clumping of platelets without continuous rotation

Irreversible shape deformity from discoid to spherical

Decreased in-
vivo recovery, survival, and function
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Glucose
A significant biochemical change in stored platelets is a decrease in __________.
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Irreversible
Morphological changes in stored platelets include __________ shape deformity from discoid to spherical.
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Lactate dehydrogenase (LDH)
In stored platelets, an increase in __________ is a biochemical change.
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What happens to glucose levels during platelet storage?
They decrease
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Which of the following is a morphological change in stored platelets?
Degranulation and fragility
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What condition occurs in platelets when they are not continuously rotated during storage?
Platelets clump together
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Irreversible shape deformity in platelets during storage results in a transition from:
Discoid to spherical shape
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PLASMASTORAGE LESION: BIOCHEMICAL CHANGES

Morphological Changes
No morphological changes occur because plasma products do not contain cellular elements.
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PLASMASTORAGE LESION: BIOCHEMICAL CHANGES

Biochemical Changes
Deterioration of heat-labile coagulation factors (e.g., Factor V and Factor VIII).
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Cellular elements
Plasma products do not contain __________, so no morphological changes occur.
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Factor V and Factor VIII
During plasma storage, heat-labile coagulation factors such as __________ and __________ deteriorate.
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Why are there no morphological changes in plasma storage?
Plasma contains no cellular elements
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Which of the following factors deteriorates in plasma during storage?
Factor V and VIII
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What is a key biochemical change observed in plasma during storage?
Deterioration of heat-labile coagulation factors
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ELEMENT LIFE SPANS IN BODY
❑ RBC: ≈ 120 days

❑ Platelets: ≈ 10 days

❑ WBCs: ≈ 1-3 days

❑ Coag Factors (half-life): ≈ hours
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Pharmaceutical Blood Derivatives:

Plasma Coagulation Factors
Plasma coagulation factors can be further manufactured into separate pharmaceutical products.
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Pharmaceutical Blood Derivatives:

Forms of Blood Derivatives
These blood derivatives can be lyophilized (freeze-dried) or liquid.
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Pharmaceutical Blood Derivatives:

Usage Requirements
Pharmaceutical blood derivatives must have a prescription to use.
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Pharmaceutical
Plasma coagulation factors are manufactured into separate __________ products.
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Lyophilized, Liquid
Blood derivatives can be found in two forms: __________ or __________.
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Prescription
To use pharmaceutical blood derivatives, a __________ is required.
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Plasma coagulation factors can be:
Manufactured into pharmaceutical products
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In what forms can blood derivatives be made available?
Lyophilized and liquid
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What is required to use pharmaceutical blood derivatives?
Prescription
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WB - INDICATIONS:

Acute Hemorrhaging
Trauma or massive bleed
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Volume Replacement
hypovolemia
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Increase oxygen
carrying capacity to vital organs, e.g., brain, heart, liver, kidneys, etc.
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WB - CHARACTERISTICS
Volume:
400 - 500 ml
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WB - CHARACTERISTICS
Storage Temp:
1 - 6°C
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WB - CHARACTERISTICS
Expiration
ACD, CPD, or CP2D - 21 days
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WB -CHARACTERISTICS
Transport Temp
1 - 10°C
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WB -CHARACTERISTICS
Contents
RBCs, Plasma, WBCs, & Plts
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WB -CHARACTERISTICS
Quality Control Requirements
None
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LTOWB - Indications
Endorsement of LTOWB (2021):
The Joint Trauma System, the Defense Committee on Trauma, and the Armed Services Blood Program have endorsed LTOWB as the resuscitation product of choice for treating hemorrhagic shock in casualties.
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THOR (2021) Data:
Of the 103 U.S. Level 1 Trauma facilities

57 are using LTOWB.

95 are using Group A plasma.
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Indications for LTOWB Use:
Acute Hemorrhaging: Trauma or massive bleeding.

Volume Replacement: For hypovolemia.

Increased Oxygen-Carrying Capacity: To vital organs such as the brain, heart, liver, and kidneys.
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Hemorrhagic
In 2021, LTOWB was endorsed as the product of choice for treating __________ shock in casualties.
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57
THOR data indicates that __________ U.S. Level 1 trauma facilities are using LTOWB.
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Brain
LTOWB increases oxygen-carrying capacity to vital organs such as the __________, heart, liver, and kidneys.
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What does LTOWB stand for?
Low-Titer O Group Whole Blood
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Which organizations endorsed LTOWB in 2021?
Joint Trauma System, Defense Committee on Trauma, and Armed Services Blood Program
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What is a key indication for the use of LTOWB?
Volume replacement in hypovolemia
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LTOWB - Characteristics

Volume of LTOWB:
400 - 500 ml
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LTOWB - Characteristics

Storage Temperature:
1 - 6°C
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LTOWB - Characteristics

Expiration of ACD, CPD, or CP2D LTOWB:
21 days
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LTOWB - Characteristics

Transport Temperature:
1 - 10°C
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LTOWB - Characteristics

Contents of LTOWB:
RBCs, Plasma, WBCs, and Platelets
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LTOWB - Characteristics
Quality Control Requirements:
A & B hemagglutinin titer must be < 1:256 (can be lower for more conservative titer).

Must be labeled as "Low Titer."
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Usage Duration in Some Blood Banks:
14 days only. After 14 days, plasma is removed, discarded, and RBCs are retained with the expiration date adjusted based on anticoagulant preservation.
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400 - 500
The volume of LTOWB is __________ ml.
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1 - 6
LTOWB must be stored at a temperature of __________°C.
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21
The expiration for LTOWB with CPD, ACD, or CP2D is __________ days.
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< 1:256
LTOWB quality control requires the A & B hemagglutinin titer to be __________.
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What is the transport temperature for LTOWB?
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1 - 10°C
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What components are included in LTOWB?
RBCs, plasma, WBCs, and platelets
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After 14 days, how is LTOWB managed in some blood banks?
Plasma is removed, discarded, and RBCs are retained.
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Leuko-Reduced (LR) Whole Blood

Volume of LR Whole Blood:
400 - 500 ml
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Leuko-Reduced (LR) Whole Blood:

Storage Temperature:
1 - 6°C
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Leuko-Reduced (LR) Whole Blood

Expiration Based on Anticoagulants:
CPD or CP2D: 21 days

CPDA1: 35 days
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Leuko-Reduced (LR) Whole Blood

Transport Temperature:
1 - 10°C
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Leuko-Reduced (LR) Whole Blood

Contents of LR Whole Blood:
RBCs, Plasma, WBCs, and Platelets
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Leuko-Reduced (LR) Whole Blood

Quality Control Requirements:
< 5 × 10⁶ WBCs

≥ 85% RBC Recovery in at least 95% of the units tested
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400 - 500
The volume of LR Whole Blood is __________ ml.
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1 - 6
LR Whole Blood must be stored at __________°C.
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35
The expiration of LR Whole Blood using CPDA1 is __________ days.
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5 × 10⁶
Quality control for LR Whole Blood requires WBC count to be less than __________.
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What is the transport temperature for LR Whole Blood?
1 - 10°C
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What is the RBC recovery percentage required in at least 95% of the tested units for LR Whole Blood?
85%
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Which anticoagulants provide a 21-day expiration for LR Whole Blood?
CPD or CP2D
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RBC Components

RBC Expiration with ACD, CPD, or CP2D:
21 days
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RBC Expiration with CPDA-1:
35 days
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RBC with Additive Solution:
42-day expiration

Additive solutions include Adsol, Nutricel, or Optisol
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Leuko-Reduced RBC:
42-day expiration

WBCs removed and additive solution added
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RBCs with ACD, CPD, or CP2D have a __________-day expiration.
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RBCs with additive solutions have a __________-day expiration.
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Leuko-reduced RBCs have WBCs removed and use an additive solution for a __________-day expiration.
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What is the expiration period for RBCs with CPDA-1?
35 days
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Which of the following are additive solutions for RBCs?
Adsol, Nutricel, Optisol
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What is the key difference in leuko-reduced RBCs?
Removal of WBCs and addition of an additive solution
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RBCs - INDICATIONS
❑ Anemia condition

❑ Less volume; helps prevent hypervolemia

❑ Increase oxygen-carrying capacity to vital organs

❑ 98% of blood transfusions is using this product

❑ Leuko-reduced RBCs are majority of the blood made / available

❑ 1 unit of RBCs raises Hgb ~ 1 gm/dL or Hct ~ 3%
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RBCs - CHARACTERISTICS
Volume:
300 ml
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RBCs - CHARACTERISTICS
Storage Temp:
1 - 6°C
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RBCs - CHARACTERISTICS
Expiration:
42 days
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RBCs - CHARACTERISTICS
Transport Temp:
1 - 10°C
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RBCs - CHARACTERISTICS
Contents:
RBCs, plasma, residual WBCs, additive solution, & Plts
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RBCs - CHARACTERISTICS
QC Requirements:
Must add additive solution to RBCs within 3 days from collection when temp is maintained at 1-6°C.

No Hct QC on additive RBC product as final product Hct after adding the additive solution is 55 - 65%
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300
Additive-RBCs have a volume of approximately __________ mL.
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42
The expiration period for Additive-RBCs is __________ days.
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55, 65
The final product hematocrit (Hct) after adding the additive solution is __________ to __________%.
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What is the storage temperature range for Additive-RBCs?
1 - 6°C
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What is included in the contents of Additive-RBCs?
RBCs, plasma, residual WBCs, additive solution, and platelets
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How soon must the additive solution be added to RBCs after collection if stored at the correct temperature?
Within 3 days
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LR-RBCs Indications:
Same as RBCs but with additional advantages.
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Advantages of LR-RBCs:
Helps reduce Febrile Transfusion Reactions and Transfusion-Related Acute Lung Injury (TRALI) due to the lack or reduced number of WBCs and platelets (Plts) in the product.

Helps reduce the recipient's immune response to develop antibodies (Abs) against WBCs and platelets (Plts).
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Febrile
LR-RBCs help reduce __________ Transfusion Reactions and Transfusion-Related Acute Lung Injury (TRALI).
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WBCs, platelets
LR-RBCs reduce the recipient's immune response to develop antibodies (Abs) against __________ & __________.
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What is one of the main advantages of LR-RBCs?
Helps reduce Febrile Transfusion Reactions
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Which transfusion-related reaction is mitigated by using LR-RBCs?
TRALI
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Why do LR-RBCs reduce the recipient's immune response?
They lack or have reduced WBCs and platelets.
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LR-RBCs - Characteristics
Volume of LR-RBCs:
300 mL
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LR-RBCs - CHARACTERISTICS

Storage Temperature for LR-RBCs:
1-6°C
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LR-RBCs - CHARACTERISTICS

Expiration Time for LR-RBCs:
42 days
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LR-RBCs - CHARACTERISTICS:
Transport Temp:
1 - 10°C
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LR-RBCs - CHARACTERISTICS

Contents:
RBCs & additive Sol't; essentially no WBCs or Plts
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LR-RBCs - CHARACTERISTICS

Quality Control Requirements:
➢ < 5x106 WBCs & ≥ 85% RBC Recovery in at least 95% of the units tested
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