Blood Banking part 2 Flashcards

(323 cards)

1
Q

Age of a qualified potential donor

A

18 - 65 yo

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2
Q

Body weight of a qualified donor

A

> /= 110 lbs or >/= 50 grams

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3
Q

maximum amount of blood to be drawn

A

10.5 mL/kg

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4
Q

formula for volume of blood to collect (in mL)

A

(Donor’s weight / ideal weight) x 450 mL

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5
Q

Formula for the volume of anticoagulant needed (in ml)

A

(answer in volume of blood to collect / 100) x 14

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6
Q

formula for the volume of anticoagulant to be removed in ml

A

63 ml - answer in volume of anticoagulant needed

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7
Q

temperature of a qualified blood donor

A

not exceed 37.5 deg C and 99.5 deg F

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8
Q

pulse of a qualified blood donor

A

50 - 100 beats/ min

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9
Q

Blood pressure of a qualified blood donor (Henry)

A

Systolic: not exceed 180 mmHg
Diastolic: not exceed 100 mmHg

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10
Q

Blood pressure of a qualified blood donor (DOH)

A

Systolic: 90-160 mmHg
Diastolic: 60 - 100 mmHg

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11
Q

age criteria of whole blood donors (allogeneic)

A

> /= 16 or as allowed by state law

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12
Q

age criteria of whole blood donors (autologous)

A

As determined by medical director

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13
Q

hemoglobin criteria of whole blood donors (allogeneic)

A

> /= 12.5 g/dl

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14
Q

hemoglobin criteria of whole blood donors (autologous)

A

> /= 11 g/dl

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15
Q

hematocrit criteria of whole blood donors (allogeneic)

A

> /= 38%

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16
Q

hematocrit criteria of whole blood donors (autologous)

A

> /= 33%

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17
Q

temperature criteria of whole blood donors (allogeneic)

A

37.5 deg C (99.5 deg F)

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18
Q

temperature criteria of whole blood donors (autologous)

A

as determined by medical director.
Bacteremia is cause of deferral

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19
Q

venipuncture site criteria of whole blood donors (allogeneic)

A

No infectious skin disease or scars indicative of drug use

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20
Q

venipuncture site criteria of whole blood donors (autologous)

A

As determined by medical director

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21
Q

For autologous transfusion, blood may be drawn from patient every __ days but not within ___ hours of surgery

A

3 days; 72 hours

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22
Q

Specific gravity of copper sulfate

A

1.053

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23
Q

acceptable drop of blood will sink in copper sulfate solution within ___

A

15 seconds

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24
Q

deferral for donors who have severe clinical conditions and have infection

A

permanent

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25
GH that entails permanent deferral
Human-derived GH
26
GH that entails no deferral
Recombinant GH
27
deferral of active diseases under treatment
temporary
28
deferral of curable disease of the heart, lung, kidney, liver and GIT
temporary
29
deferral of px under treatment with antibiotics
temporary
30
deferral for Acetretin (Soriatane) for psoriasis
3 days
31
deferral for incarceration in a jail more than 72 hours
1 year
32
deferral of people who travel to areas endemic for malaria
1 year
33
deferral of people with history of syphilis or gonorrhea
1 year
34
deferral of recent whole blood donation
12 weeks or 3 months
35
deferral: following delivery of a baby
6 weeks
36
deferral of German measles (rubella) vaccination
1 month
37
deferral of contact with rubella but no previous infection
4 weeks
38
deferral of contact with rubella with previous infection
accept anytime
39
deferral after cessation of the drug Isotretinoin for severe acne treatment
1 month
40
deferral after cessation of the drug Finasteride
1 month
41
deferral of rubeola infection from recovery
6 weeks
42
whole blood donation deferral after hemapheresis
48 hours
43
frequency of donation for plateletpheresis
48 hours between donations, up to 24 times/year
44
frequency of donation for leukopheresis
not more than 2x a week, 24 times/year
45
frequency of donation for plasmapheresis
every 4 weeks
46
frequency of donation for red cell apheresis
every 16 weeks
47
deferment of acute febrile illness
2-3 weeks after episode or until fully recovered
48
deferment of fever with unknown origin
4 months
49
deferment of common cold
1 week after recovery
50
deferment of dengue fever
1 month after recovery if wo blood transfusion
51
deferment of influenza
1 month after complete recovery
52
deferment of major operation including dental surgery and blood transfuson
12 months after operation or transfusion
53
deferment for malaria infection
3 years after treatment
54
deferment of past exposure to a close household with hepatitis
1 year after exposure
55
deferment of past exposure to unhygienic skin piercing, tattooing, needle puncture
1 year from procedure
56
deferment of pregnant women
9 months after childbirth or 3 months after weaning
57
deferment of recent alcohol intake
12 - 24 hours after intake
58
deferment of skin lesion at veni site
after healing
59
deferment of typhoid or salmonella
infection: 3 months from recovery household contact: 4 weeks from last exposure
60
deferment of URTI
1 week from recovery
61
deferment of live attenuated vaccines
2 weeks after vaccination
62
deferment of rubella vaccine
1 month after vac
63
deferment of rabies vac
1 yr
64
deferment of other vaccines
1 month
65
deferment of killed vaccines and toxoids
may donate anytime (wo fever)
66
deferment of HPV vac
4 wks
67
deferment of MMR vac
8 wks
68
deferment of Japanese encephalitis vac
3 weeks
69
deferment of COVID-19 vac
accept if asymop
70
Deferment of anti acne drugs
2 months
71
Deferment of anti fungal drugs
5 days
72
Deferment of anti-TB drugs
Until cured
73
Deferment of antibiotics other than anti-TB drugs
1 month
74
Deferment of aspirin
Single dose: 3 days Chronic intake: 3 weeks
75
Deferment of Clopidogrel, ticlopidine
14 days for platelet donors
76
Deferment for dutasteride
6 months
77
Deferment for glutathione
For liver disorder permanent For cosmetic use 1 year
78
Deferment of insulin
Permanent
79
Deferment for MDA for filariasis and schistosomiasis
2 weeks
80
Deferment of oral corticosteroids
While on treatment
81
Deferment of penicillin
3 weeks
82
Deferment of Piroxicam
Chronic: 1 weeks 2 days (AABB)
83
Deferment of warfarin
1 week
84
Volume of blood routinely collected
450 ml +/- 10% or 500 ml +/- 10%, depending on collection bag
85
Maximum volume of collection of whole blood
10.5 ml of blood per kg of donor's weight
86
Volumes of anticoagulant
63 ml for 450 ml collection 70 ml for 500 ml collection
87
Time of collection
Usually <10 minutes
88
If collected > 15-20 mins, unit may not be suitable for preparation of
Platelets FFP Cryoprecipitated Antihemophilic Factor
89
Storage temp of unit
20 -24 deg C for plts 1-6 deg C for other comp
90
Chelates calcium to prevent coagulation
Citrate (sodium citrate)
91
Buffer to prevent decreased pH
Phosphate buffer (sodium biphosphate)
92
Sugar to support RBC life
Dextrose
93
Used in ATP synthesis
Adenine
94
Storage time or ACD, CPD, CP2D
21 days
95
Storage time of CDPA-1, CPDA-2
35 days
96
AS are added to rBC after the plasma has been removed from whole blood collected using ___
CPD or CP2D
97
Final hematocrit of RBC after adding AS
55-65%
98
storage time of red blood cells with additive solutions
42 days
99
use in some blood centers to regenerate ATP and 2,3 DPG
Rejuvenation Solutions
100
The only FDA-approved rejuvenation solutions in US
Rejuvesol
101
wash rejuvenated RBCs to remove ___
inosine
102
shelf life of (frozen) rejuvenated RBCs if using CPD and CPDA-1
3- 10 years
103
shelf life of (frozen) rejuvenated RBCs using AS-1
1-3 years
104
collected units stored at 1-6 deg C should be submitted in the BB/BC within ___
24 hours
105
collected units stored at 20 - 24 deg C should be submitted in the BB/BC within ___
6-8 hours
106
whole blood should be submitted within ___ hours after collection can be used for platelet preparation
6-8 hours
107
tests done on the donor blood unit
ABO grouping Rh typing (and Du testing) Antibody screen (required only on those with previous pregnancy and or transfusion) Screening tests for TTIs
108
Blood components prepared using heavy spin (5,000 x g for 5 minutes)
Packed RBC, Platelet concentrate
109
Blood components prepared using heavy spin (5,000 x g for 7 minutes)
Cryoprecipitate, Cell-free plasma
110
Blood components prepared using light spin (2,000 x g for 3 minutes)
Platelet-rich plasma (PRP)
111
pore size of standard filter
170 - 200 um
112
pore size of microaggregate filter
20 - 40 um
113
used to remove 99.9% if WBC from RBC and platelet products
leukoreduction filters
114
Leukoreduced RBC
< 5 x 10^6 WBC
115
Leukoreduced Random Donor Platelet (RDP)
< 8.3 x 10^5 WBC
116
Leukoreduced Single Donor Platelet (SDP)
< 5 x 10^6 WBC
117
washed RBCs are used within
6 hours
118
washed platelets are used within
4 hours
119
Plateletpheresis, platelet count of the donor must NOT be less than
150,000/uL
120
Plasmapheresis total protein must not be less than
6.0 g/dL
121
used in irradiation
Cesium-137 or Cobalt-60
122
Irradiate up to ____ days of collection and stored for another __ days
14 days 14 days
123
Minimum dose of irradiation at the center of the unit
25 Gy
124
Minimum dose of irradiation in other parts of the unit
15 Gy
125
Process of recombining 2 DNA fragments from different species and inserting such recombinant molecule into a host organism in order to produce new genetic combinations that are of value in medicine, science, and industry
Recombinant DNA technologt
126
Components of an open system stored at 1-6 deg C must be used within ___ after system opened
24 hours
127
Components of an open system stored at 20 - 24 deg C must be used within ___ after system opened
4 hours
128
Use of blood components to treat a disease in a patient
Hemotherapy
129
transfusion of specific components rather than whole blood to treat a patient
Component therapy
130
Main indication for use of RBC patient hemoglobin is: ___ and or hematocrit is: ___
< 6 g/dL <18 g/dL
131
1 unit of Whole blood or 1 unit of Packed RBC can increase hemoglobin by __ and hematocrit by ___
1-1.5 g/dl 3-5%
132
* Provide blood volume expansion and RBC mass in acute blood loss; * for actively bleeding px who have lost at least 25% of their blood volume * px requiring exchange transfusions
Whole blood
133
storage of whole blood
1-6 deg C (2-6 deg C)
134
transport of whole blood
1-10 deg C (2-10 deg C)
135
Shelf life od WB ACD and CPD CPDA-1
ACD and CPD = 21 days CPDA-1 = 35 days
136
* Indication of RBC mass of symptomatic, normovolemic patients * For trauma patients, dialysis patients, premature infants, patients with sickle cell anemia, and oncology patients undergoing chemotherapy or radiation therapy
Packed RBCs
137
storage of PRBC
1-6 deg C (2-6 deg C)
138
Transport of PRBC
1-10 deg C (2-10 deg C)
139
shelf life of PRBC Open system Close system
Open system: 24 hours Close system: ACD and CPD = 21 days; CPDA-1 = 35 days
140
Leukoreduced RBCs are obtained from filtration within __ from time of collection
48 hours
141
Leukoreduced RBCs must retain ___ % of original RBCs
85%
142
1 unit of leukoreduced RBC contains ___ WBCs
<5 x 10^6 WBCs
143
Increase RBC mass in patients with severed and or current febrile transfusion reactions due to leukocyte antibodies
Leukoreduced RBCs
144
Indication: Increase RBC mass in patients at risk for HLA alloimmunization or susceptible to CMV
Leukoreduced RBCs
145
Storage of Leukoreduced RBCs
1 -6 deg C (2-6 deg C) 1- 10 deg C during transport
146
Indication: increase RBC mass of symptomatic anemic patients with transfusion history of allergic, urticartial reaction, anaphylactic reaction, febrile nonhemolytic reaction
Washed RBCs
147
storage of Washed RBCs
1-6 deg C
148
Shelf life of washed RBCs
24 hours
149
used in immunodeficiency, malignancy, bone marrow transplant, transfusion with blood from blood relative, intrauterine and neonatal transfusion
Irradiated RBCs
150
use for the prevention of graft-vs-host disease
irradiated RBCs
151
Frozen RBCs are frozen in glycerol within ___ of collection
6 days
152
For the storage of rare blood and autologous units
Frozen RBCs
153
Storage and shelf life of frozen RBCs
10 years after deglycerization: 24 hours
154
osmolality to monitor glycerol removal safe for IgA deficient patient All plasma, anticoagulant, WBCs and platelets removed
Frozen RBCs
155
for transfusion-dependent individuals (thalassemia, chronic anemia, sickle cell anemia
Neocyte-enriched blood
156
Neocyte-enriched blood for hemochromatosis 1 RBC unit: ___ iron
200 - 250 mg
157
main indications for use of platelets Platelet count is ___ Pre-operation platelet count is ___
<20,000/ul <50,000/uL
158
Indication For bleeding due to thrombocytopenia or thrombocytopathy; for patients with chemotherapy, post-bone marrow transplant patients, post-operative bleeding
Platelet Concentrate or Random Donor Platelet
159
NOT indicated with idiopathic thrombocytopenia (ITP)
Platelet Concentrate or Random Donor Platelet
160
storage of platelet concentrate and random donor platelet
20-24 deg C
161
shelf life of PC and RDP
5 days from collection with constant agitation after pooling:: 4 hours
162
1 Unit of PC or RDP contains
> or = 5.5 x 10^10 platelets
163
A pool of ___ units will contain roughly 3 x 10 ^11 platelets and should give a plate count increase similar to one SDP unit
4 - 6 units
164
1 unit of PC or SDP will increase platelets by ___ in 75 kg recipient
5,000 - 10,000/uL
165
Good increment of PC or RDP
> 10,000/uL
166
Platelet Refractoriness
< 5,000/uL
167
Percent recovery of platelets after 1 hour post transfusion and at 24 hours
60% at 1 hr 40% at 24 hrs
168
Preparation of SDP
Plateletpheresis
169
indication for thrombocytopenic patients alloimmunized to HLA or platelet antigen (donor should be HLA matched)
Plateletpheresis Unit or SDP
170
1 unit of SDP contains __
> or = 3.0 x 10^11 platelets
171
1 Unit of SDP should increase platelets by ___
30, 000 - 60,000/ul
172
WBCs removed by filtration or during apheresis processing Filters can reduce a number of WBCs in a bag while being transfused
Leukocyte-reduced platelets
173
same with SDP or platelet pheresis unit
Leukocyte-reduced platelets
174
__ ABO identical platelet pooled using closed system
4-6
175
Indication for severe thrombocytopenia or abnormal platelet function
Pre-storage pooled platelet
176
in granulocyte apheresis, it is used as a sedimenting agent
Hydroxyethyl starch (HES)
177
preparation of donor before granulopheresis administer __ to donor 12-24 hours before donation
corticosteroid or GCSF
178
indication patients with granulocyte dysfunction or myeloid hypoplasia who are unresponsive to antibiotics; severe neutropenia with infection non-responsive to antibiotic therapy
Apheresis Granulocytes or granulocyte pheresis unit
179
main indication for use of plasma derivatives PT is
> 16 seconds (INR = 1.5)
180
main indication for use of plasma derivatives apPT is
> 60 seconds
181
main indication for use of plasma derivatives fibrinogen is
< 100 mg/dl
182
FFP is prepared from the separation of WB to obtain plasma and frozen within __ hours of collection
8 hours
183
FFP is stored at 1-6 deg C for up to ___ hours
6 hours
184
FFP is stored at 4 dec F for up to __ hours if factor VIII is not needed
24 hours
185
indication bleeding patients who require factors II, V, VII, IX, X * replaced isolated factor deficiencies *reverse effects of warfarin *treat TTP and HUS *patient with liver disease to prevent or correct bleeding * antithrombin III deficiencies; DIC when fibrinogen is <100 mg/dL
Fresh Frozen Plasma
186
Shelf life of FFP if Frozen (-18 deg C)
1 yr
187
Shelf life of FFP after thawing: 1-6 deg C)
24 hours
188
Shelf life of FFP in -65 deg C
7 yrs
189
amount of fibrinogen in cryoprecipitate
150 - 250 mg
190
amount of AHF in cryoprecipitate
80 - 120 IU
191
amount of vwF in cryoprecipitate
40 -70%
192
amount of factor XIII in cryoprecipitate
20 - 30%
193
thawed cryoprecipitate is transfused within
6 hours
194
pooled cryoprecipitate is transfused within
4 hours
195
indication is for the treatment of fibrinogen deficiency, hemophilia A, VwD, factor XIII deficiency, and as a fibrin sealant
Cryoprecipitate
196
patients with FVIII deficiency are routinely treated with
FVIII concentrates
197
Cryoprecipitate is NOT indicated in
TTP
198
shelf life of single units cryoprecipitate
6 hours
199
shelf life of pooled units close system
6 hours
200
used for hemophilia A and vwD only if factor VIII concentrate or recombinant factor preparations not available
Cryoprecipitate
201
shelf life of FFP if stored at -65 deg C or below
7 years
202
shelf life of FFP and Cryoprecipitate if stored at -40 to -65 deg C
24 months
203
shelf life of FFP and cryoprecipitate if stored at -30 to -39 deg C
12 months
204
shelf life of FFP and cryoprecipitate if stored at -25 to -29 deg C
6 months
205
shelf life of FFP and cryoprecipitate if stored at -20 to -25 deg C
3 months
206
shelf life of FFP and cryoprecipitate if stored at -18 deg C
1 yr
207
plasma may be separated from whole blood at any time during the unit's shelf life up to ___ days after the expiration
5 days
208
shelf life of plasma derivatives
5 years when stored between 1 - 6 deg C
209
products that are transfused in patients sufferring from hypovolemia or indicated among burn and shock patients
plasma volume expander
210
COmponents of Normal Serum Albumin (NSA)
96% albumin + 4% globulin
211
Components of Plasma Protein Fraction (PPF)
83% albumin + 17% globulin
212
a gluelike substance, such as protein or starch,whose particles, when dispersed in a solvent to the possible degree, remain uniformly distributed and fail to form a true solution
Colloid
213
increased in RBC storage lesion
Lactic acid Plasma K Plasma hemoglobin Microaggregates
214
decreased in RBC storage lesion
ATP 2,3 DPG pH Glucose Viable cells Labile coagulation factors Plasma Na
215
transport cold chain room temp (20-24degC0
20 - 24 deg C
216
transport cold chain if stored at 2-6 deg C
2 - 10 deg C
217
transport cold chain if stored frozen
with dry ice
218
color label of blood Group O
Blue
219
color label of blood Group A
Yellow
220
color label of Blood Group B
Pink
221
color label of blood group AB
White
222
color: hold for further processing
tan
223
color: for emergency use only
orange
224
color: for autologous use only
green
225
color: not for transfusion
Gray
226
color: irradiated
Purple
227
color: biohazard
Red
228
color: from a therapeutic phlebotomy
Chartreuse
229
the administration of blood or its component intravenously
Transfusion
230
blood taken from a patient to be used for the same patient
Autologous transfusion
231
transfer of blood directly from one person to another
Direct transfusion
232
transfusion of blood from a donor to a suitable container and then to a patient
indirect transfusion
233
transfusion and withdrawal of small amounts of blood, repeated until blood volume is almost entirely exchanged; used in infants born with hemolytic disease
exchange transfusion
234
transfusion of blood into a fetus in utero
intrauterine transfusion
235
standard filter in infusion of blood components
170 um
236
peripheral vein cannula for transfusion for adults
gauge 18-20
237
peripheral vein cannula for transfusion for pediatric patients
gauge 22-24
238
maximum transfusion time allowed for one unit to be transfused
2-4 hours
239
15 drops = ___ ml
1 ml
240
at a rate of 60 drops per minute, __ ml of blood can be transfused in 1 hr
240 ml
241
blood warmer should maintain a temperature of about ____
37 deg C
242
apheresis blood collection: withdrawal of whole blood, removing selected fraction and reinfusion of the remaining components into the donor
Centrifugation
243
apheresis blood collection: removal of only plasma through a membrane for normal plasma collection or for therapeutic purposes
Filtration
244
apheresis blood collection: removal of only a selected constituent of plasma with reinfusion of plasma after constituent removed
Adsorption
245
done for plateletpheresis for polycythemia vera
therapeutic bleeding
246
done for leukapheresis for leukemia
therapeutic bleeding
247
done for plasmapheresis for SLE
therapeutic bleeding
248
replacement of one or more blood volumes within 24 hours or about 10 units of blood in an adult
Massive blood transfusion
249
hemolysis with symptoms due to red cell incompatibility
Acute HTR
250
antibody to leukocyte antigens
Febrile non-hemolytic transfusion reaction
251
antibody to IgA
Anaphylaxis
252
antibody to plasma proteins
Allergy or urticaria
253
antibody to leukocytes or complement activation
Transfusion-related acute lung injury (TRALI) or non-cardiac pulmonary edema
254
anamestic antibody to red cell antigens
Delayed HTR
255
engraftment of transfused functional lymphocytes
TA-GvHD
256
development of antiplatelet antibody
Post-transfusion purpura
257
tests for HBV
Chemiluminescent assay (ChLIA) or enzyme immunoassay (EIA) Confirmatory: Neutralization
258
test for HCV
ChLIA or EIA Confirmatory: RIBA or recombinant immunoblot
259
tests for HIV
ChLIA or EIA Confirmatory for HIV-1: IFA or WB Confirmatory for HIV-2: IEA
260
tests for HTLV
ChLIA or EIA Confirmatory: IFA or Line immunoblot
261
tests for syphilis
Microhemagglutination or IEA Solid phase red cell adherence or particle agglutination Confirmatory: T. pallidium antigen specific immunofluorescence or agglutination assays
262
tests for West Nile Virus
Transcription-mediated amplification or PCR
263
Tests for T. cruzi
ChLIA or EIA Confirmatory: RIPA or Radioimmunoprecipitation assay
264
routine blood bank techniques and pre-transfusion testing procedures
ABO typing Rh Typing Antibody screen Antibody identification Crossmatch
265
discovered by coomb's, Mourant, and Race
AHG testing
266
used to detect RBCs sensitized with IgG alloantibodies, IgG autoantibodies, and complement components
AHG testing
267
detects in vivo sensitization of RBC with IgG and or complement components
DAT
268
where maternal antibodies coat fetal or neonatal RBC in the fetal or neonatal circulation
HDFN
269
where recipient antibodies coat donor RBCs
HTR
270
where autoantibodies and complement components coat individual's RBCs
AIHA and DIIHA
271
Detects in vitro sensitization of RBC
IAT
272
Tubes with no agglutination in DAT and IAT --> add ___
Coomb's Control Cells
273
Involves the reaction between serum or plasma with 2-3 reagent phenotyped for multiple antigens
Antibody screen
274
Incidence of unexpected antibodies
0.2-2%
275
Current mandated test for pretransfusion samples:
Antibody screen
276
Determines compatibility of donor RBCs with recipient blood
Crossmatch
277
Method that demonstrate ABO incompatibility and clinically significant antibodies
Crossmatch
278
Units to be crossmatched
RBC Granulocytes
279
Units that do not need crossmatching
Plasma Cryoprecipitate Platelets
280
Mixing patient's serum with donor's red cells
Major crossmatch
281
Mixing donor's serum with patient's red cells
Minor crossmatch
282
Potentiating media 0.2% NaCL in glycine Increases antibody uptake
LISS
283
Potentiating media Allows sensitized cells to come closer together to form agglutination lattices
Bovine albumin (22% or 30%)
284
Potentiating media Concentrates antibodies and creates low-ionic solution to allow greater antibody uptake
Polyethylene glycol (PEG) additive
285
Potentiating media Positively charged polymer that reduces zeta potential by neutralizing the negative charge in the red cell
Polybrene
286
Antibodies enhanced by enzymes
Rh Lewis Kidd P1 I ABO
287
Antibodies destroyed by enzymes
Xga M N S Duffy
288
Technique used to dissociate IgG antibodies from sensitized RBCs
Elution
289
Releases antibody by destroying the RBCs
Digitonin
290
Used to remove IgM antibodies (usually A or B) present on newborn RBCs
Lui freeze-thaw
291
Process of removing antibody from serum by combining a serum sample with appropriate RBCs
Adsorption
292
Autoadsorption can be performed if patient was not transfused within the past ____
3 months
293
Autoanti-I can be adsorbed by
Rabbit RBC
294
Uses soluble antigen to inhibit the reactivity of certain antibodies in hemagglutination assays
Neutralization
295
Neutralized by hydatid cyst fluid, pigeon droppings, turtle dove's egg whites
Anti-P1
296
Neutralized by saliva, serum or plasma
Anti-Lewis
297
Neutralized by serum or plasma
Anti-Chido or anti-Rogers
298
Neutralized by urine
Anti-Sda
299
Neutralized by breast milk
Anti-I
300
Chemical used for preparing cells for adsorption
ZZAP/DTT
301
Chemic tht destroys kell antigens
2-aminoethyliaothiouronium bromide
302
Bead based assay that uses fluorescence and flow cytometry to test for platelet or HLA antibodies
Luminex-based assay
303
Fetomaternal hemorrhage may result in ___ ml of fetal blood passing into maternal circulation
30 ml
304
Common Antibodies identified in prenatal specimens causing HDFN
Rh Kell ABO
305
Rare antibodies identified in prenatal specimens causing HDFN
Duffy MNSs
306
Sample to confirm HDFN
Cord blood
307
Carried out by obtaining fetal cells through amniocentesis or chorionic villous sampling as early as 10 to 12 weeks of gestation
Fetal DNA testing
308
Gauge the severity of HDFN
Antibody titers
309
Based on the reduced viscosity at low hematocrit resulting in faster velocity
Middle Cerebral Artery -Peak Systolic Velocity (MCA-PSV) ultrasonography
310
Transfusion of prbc to the fetus to correct anemia
Intrauterine transfusion
311
Removal of infant RBcs coated with maternal antibody and replacement with antigen-negative RBCs
Exchange transfusion
312
Phototherapy wavelengths used
460 to 490 nm
313
Use of fluorescent blue light in ____ for jaundice
420 to 475 nm
314
To interrupt transport of maternal antibodies to the fetus
Early delivery
315
Autoantibody specificity of WAIHA
Anti-Rh precursor Anti- common Rh Anti-Lw Anti-U
316
Autoantibody specificity of CAS
Anti-I Anti-i Anti-Pr
317
Cold reactive IgM autoagglutinin binds to RBCs in peripheral circulation - IgM binds complement - IgM dissociates leaving RBCs coated only with complement
Cold Agglutinin Syndrome
318
IgG autoantibody reacts with RBCs in colder parts of the body, causes complement to be bound irreversibly ro RBCS, and then elutes at warmer temperature
PCH
319
Autoantibody specificity of PCH
Anti-P
320
Prototype drugs in immune complex
Quinidine and Phenacetin
321
Small doses of these drugs may cause acute intravascular hemolysis with hemoglobinemia or hemoglobinuria; renal failure common
Quinidine and Phenacetin
322
Large doses of this drug causes immune hemolysis, usually extravascular
Penicillin
323
Drug that mimics Warm AIHA
Methyldopa (Aldomet)