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Blood Banking > Donor Selection > Flashcards

Donor Selection Flashcards

1
Q

Reason for promoting regular voluntary blood donation

A

Lower incidence and prevalence of transfusion
Absence of risk of anemia
Donors are willing to donate blood regularly
Donors have expressed the commitment to dinate blood during emergency

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2
Q

They are required to give blood when a member of the patients family or community requires it

A

Family or replacement blood donors

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3
Q

They are donor who give blood for money pr other form of payment

A

Professional, paid or commercial blood donors

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4
Q

Disadvantage of paid blood donors

A

High incidence and prevalence transfusion of transmissible infection
Donor are undenourished, poor health

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5
Q

Donor screening is carried out by ahd adequately trained physician ajd qualified staff under the supervision of a qualified physicians to determine the suitability of blood donie

A

Donor screening

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6
Q

Criteria age

A

Age 16-65 yo or consent under 18

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7
Q

Criteria wt

A

50kg for 500ml atleast 45kg for 250ml

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8
Q

Criteria pulse rate

A

50-100beat per min

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9
Q

Blood pressure criteria

A

Systolic 90-160mmhg

Diastolic 60-100mmhg

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10
Q

Criteria hb

A

125g/al 12.5g/dl

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11
Q

Criteria hct

A

37%

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12
Q

Blood bankers prefer hb in what method

A

Copper sulfate mtd

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13
Q

Specific gravity of copper sulfate

A

1.053

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14
Q

Derived from organism of the self same individual

A

Autologous

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15
Q

They give blood to their own free will abd receive no monet or any form of payment

A

Voluntary blood donor

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16
Q

Derived from organism of a different but related spp

A

Heterologous

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17
Q

Automated blood collection system that allows removal of 1 or more components of blood and return remainder to donor

A

Apheresis

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18
Q

Used to remove abnormal plasma proteins and replaced with cystalloid, ffp

A

Therapeutic plasma exchange

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19
Q

Used to remove cellular elements like the abnormal number of platelets, leukemic wbc, lymphocytes

A

Therapeutic cytapheresis

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20
Q

To harvest specific cellular components such as platelets, granulocytes or red cells

A

Cytapheresis

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21
Q

To harvest plasma only and return back tye cellular components to the donor or patient

A

Plasmapheresis

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22
Q

Deferment of previous donation

A

6-8weeks for 200ml

12weeks for 450ml

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23
Q

Deferment for pregnant women

A

9months after childbirth or 3 months after weaning

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24
Q

Major operation including

A

Dental surgery
Blood transfusion including administration of ig
12 months after operation

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25
Acute febrile illness
2-3weeks after febrile episode
26
Malaria
3 years after cessation of s and s of malaria
27
Hepatitis
1 year
28
Past exposure tattoo, skin piercing, needle puncture
1 year
29
Alcohol intake
12 hours
30
Skin lesion at venipuncture site
After skin have completely healed
31
what are category 1
Measles, oral polio, mums yellow fever , bcg
32
Category 1 after
2 weeks
33
What is catergory 2
Rubella measles
34
Measles
1 month
35
Category 3
Rabies
36
Rabies is
1 yr
37
Killed vaccine and toxoid, inhectibles hbv, cholera, typhoid, parathypoid, typhus and influenza
Anytime if no fever
38
Antibiotics under than tb drugs
5 days
39
Anti tb drugs
After cured
40
Anti fungal drugs
5 days
41
Allergenic such as penicillin and aspirin
1 days after last dose
42
Oral corticosteroid
While on treatment
43
Anti acne drugs
2 months after
44
Persons who are not allowed to donate blood
``` Cancer pt Cardiac dse Sever lung dse Viral hepatitis and jaundice and liver dse Use prohibited drugs High risk behavior Autoimmune sde Chronic alcoholism Prolonged bleeding Std High risk occupation ```
45
Autologous donors criteria
Hb more than 11g/dl | Age and wt no limit
46
For autologous transfusion blood maybe drawn
From a pt every 3 days but not 62hours of surgery
47
Venipuncture rules
Must ge done uwing aseptic technique under closed system | Do not leave donir unattended during phlebotomy procedure
48
Volume of whole blood collection
Donor weighing 110lbs may donate 525ml of blood including pilot tube
49
450ml collected should weigh atleast
570grams
50
200ml should, weigh atleast
370grams
51
450ml blood volume how many anticoagulant
63ml anticoagulant
52
200ml of blood how many anticoagulant
31.5
53
Less than 300ml
The amount of anticoagulant in the bag must be reduced
54
Anticoagulant acceptable by fda
``` Acid citrate dextrose Heparin Citrate phosphate dextrose Citrate phosphate dextrose adenine Cpd plus AS-1 AS-2 (dextrose, mannitol, adenine) Cpd2 plus AS (saline, dextrose, adenine) ```
55
Binds with calcium ions in exchange for the sodium salt so the blood does not clot
Sodium citrate
56
Support metabolism of the red cell during storage to ensure the release oxygen readily at tissue level
Phosphate
57
Maintain the red cell membrane to increase storage life
Dextrose
58
Provide energy source
Adenine
59
Duration of blood collection
Donor should offered a drink and observed 10-15mins | Donor shoudl be instructed to drink liberally and avoid strenous exercise
60
S and S are similar in mild reaction plus the fact that the donor loses consciousness characterize the,
Moderate reaction
61
S and S plus the fact that the donor undergoes convulsion or seizure characterize them
Severe reaction
62
Reaction of mgmt fonir
Light headedness Weakness Tingling sensation Palpitation
63
Causes of donir mgmt
``` Anxiety Hypoglycemia Convulsion Anxiety underlying dse Cardiopulmonary emergency Underlying heart dse ```
64
Cardiopulmonary emergency mgmt
Ventilation Cardiopulmonary resusciation Transfer donor to medical facility
65
Hematoma mgmt
Discontinue if large Apply pressure to site for 5mins Apply cold packs Reassure donor
66
Hematoma causes
Very fragile veins Unskilled phleb Uncooperative donor
67
Mgmt of jet like bleeding with bright red color
Discontinue immed Apply firm pressure at the site for 10mins Apply dressing on the site
68
Causes of jet like bleeding bright red blood
Inadventent puncture of artery when deep is attemoted
69
Causes of shooting pain followed by numbness and tingling in the forearm
Inadvertent puncture of median nerve or cutaneous branches
70
Mgmt of shooting pain followed by numbness and tingling in the forearm
Reassurance | Apply support to arm
71
Type of blood donation
Whole blood donation Apheresis donation Autologous blood donation
72
Blood donation sites
Walk in donation | Mobile blood donation
73
Blood donors coming to the blood bank for donation | Usually regular blood donors
Walk in donations
74
Major part of blood donation | Blood donation out side the campus for targered and untargeted population group
Mobile blood donation
75
standard of practice for donor screening
First time donors Regular donors Autologous blood donors
76
Shorter screening process
Regular donor
77
Planning for donation according to the time and need of blood
Autologous blood donors
78
Longer screening process to fully explain all parts od the donation process Expected to have more quires
First time donors
79
Two crucial factors for safe blood products
Accurate donor screening or selection | Accurate laboratory testing on each unit collected
80
Donor screening
Registration of the donor Medical history Physical examination
81
The test done on the donor blood unit including the ff
Abo grouping | Rh typing

Blood Banking (16 decks)

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