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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
Q

Acute febrile illness

A

2-3weeks after febrile episode

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26
Q

Malaria

A

3 years after cessation of s and s of malaria

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27
Q

Hepatitis

A

1 year

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28
Q

Past exposure tattoo, skin piercing, needle puncture

A

1 year

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29
Q

Alcohol intake

A

12 hours

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30
Q

Skin lesion at venipuncture site

A

After skin have completely healed

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31
Q

what are category 1

A

Measles, oral polio, mums yellow fever , bcg

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32
Q

Category 1 after

A

2 weeks

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33
Q

What is catergory 2

A

Rubella measles

34
Q

Measles

A

1 month

35
Q

Category 3

A

Rabies

36
Q

Rabies is

A

1 yr

37
Q

Killed vaccine and toxoid, inhectibles hbv, cholera, typhoid, parathypoid, typhus and influenza

A

Anytime if no fever

38
Q

Antibiotics under than tb drugs

A

5 days

39
Q

Anti tb drugs

A

After cured

40
Q

Anti fungal drugs

A

5 days

41
Q

Allergenic such as penicillin and aspirin

A

1 days after last dose

42
Q

Oral corticosteroid

A

While on treatment

43
Q

Anti acne drugs

A

2 months after

44
Q

Persons who are not allowed to donate blood

A 
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
Q

Autologous donors criteria

A

Hb more than 11g/dl

Age and wt no limit

46
Q

For autologous transfusion blood maybe drawn

A

From a pt every 3 days but not 62hours of surgery

47
Q

Venipuncture rules

A

Must ge done uwing aseptic technique under closed system

Do not leave donir unattended during phlebotomy procedure

48
Q

Volume of whole blood collection

A

Donor weighing 110lbs may donate 525ml of blood including pilot tube

49
Q

450ml collected should weigh atleast

A

570grams

50
Q

200ml should, weigh atleast

A

370grams

51
Q

450ml blood volume how many anticoagulant

A

63ml anticoagulant

52
Q

200ml of blood how many anticoagulant

A

31.5

53
Q

Less than 300ml

A

The amount of anticoagulant in the bag must be reduced

54
Q

Anticoagulant acceptable by fda

A 
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
Q

Binds with calcium ions in exchange for the sodium salt so the blood does not clot

A

Sodium citrate

56
Q

Support metabolism of the red cell during storage to ensure the release oxygen readily at tissue level

A

Phosphate

57
Q

Maintain the red cell membrane to increase storage life

A

Dextrose

58
Q

Provide energy source

A

Adenine

59
Q

Duration of blood collection

A

Donor should offered a drink and observed 10-15mins

Donor shoudl be instructed to drink liberally and avoid strenous exercise

60
Q

S and S are similar in mild reaction plus the fact that the donor loses consciousness characterize the,

A

Moderate reaction

61
Q

S and S plus the fact that the donor undergoes convulsion or seizure characterize them

A

Severe reaction

62
Q

Reaction of mgmt fonir

A

Light headedness
Weakness
Tingling sensation
Palpitation

63
Q

Causes of donir mgmt

A 
Anxiety
Hypoglycemia
Convulsion
Anxiety underlying dse
Cardiopulmonary emergency
Underlying heart dse
64
Q

Cardiopulmonary emergency mgmt

A

Ventilation
Cardiopulmonary resusciation
Transfer donor to medical facility

65
Q

Hematoma mgmt

A

Discontinue if large
Apply pressure to site for 5mins
Apply cold packs
Reassure donor

66
Q

Hematoma causes

A

Very fragile veins
Unskilled phleb
Uncooperative donor

67
Q

Mgmt of jet like bleeding with bright red color

A

Discontinue immed
Apply firm pressure at the site for 10mins
Apply dressing on the site

68
Q

Causes of jet like bleeding bright red blood

A

Inadventent puncture of artery when deep is attemoted

69
Q

Causes of shooting pain followed by numbness and tingling in the forearm

A

Inadvertent puncture of median nerve or cutaneous branches

70
Q

Mgmt of shooting pain followed by numbness and tingling in the forearm

A

Reassurance

Apply support to arm

71
Q

Type of blood donation

A

Whole blood donation
Apheresis donation
Autologous blood donation

72
Q

Blood donation sites

A

Walk in donation

Mobile blood donation

73
Q

Blood donors coming to the blood bank for donation

Usually regular blood donors

A

Walk in donations

74
Q

Major part of blood donation

Blood donation out side the campus for targered and untargeted population group

A

Mobile blood donation

75
Q

standard of practice for donor screening

A

First time donors
Regular donors
Autologous blood donors

76
Q

Shorter screening process

A

Regular donor

77
Q

Planning for donation according to the time and need of blood

A

Autologous blood donors

78
Q

Longer screening process to fully explain all parts od the donation process
Expected to have more quires

A

First time donors

79
Q

Two crucial factors for safe blood products

A

Accurate donor screening or selection

Accurate laboratory testing on each unit collected

80
Q

Donor screening

A

Registration of the donor
Medical history
Physical examination

81
Q

The test done on the donor blood unit including the ff

A

Abo grouping

Rh typing

Blood Banking (16 decks)

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