Donor selection Flashcards

1
Q

Blood inventory management

A

Volunteer donors (40% US population eligible, but <10% actually donate)

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2
Q

List process of donating blood

A
  1. Donor selection: registration, ID donor, donor education
  2. Eligibility: questionnaire, mini-health physical
  3. Collection: phlebotomy and post-donation care
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3
Q

Acceptable types of ID

A
  • donor card
  • driver’s license
  • passport
  • school ID (must be age > 16)
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4
Q

How long do you have to wait to donate if you donated whole blood?

A

56 days

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5
Q

How long do you have to wait to donate if you donated double RBCs?

A

112 days
up to 3x a year

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6
Q

How long do you have to wait to donate if you donated platelets?

A

7 days according to Red Cross
2 days according to FDA
up to 24x a year

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7
Q

How long do you have to wait to donate if you donated plasma?

A

28 days
up to 13x a year

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8
Q

Steps of donor ID

A
  1. Photo ID
  2. Check date of last donation
  3. Deferral status checked
  4. Consent to donate - signed form
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9
Q

Donor education

A
  • the donation process
  • infectious disease transmission via transfusion
  • circumstances when testing isn’t done
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10
Q

Why may infectious disease testing not be done?

A
  • tests available but may not detect early-stage or window-period infection
  • tests available but not universally used by donor centers
  • no licensed tests available for donor screening
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11
Q

No licensed tests available for donor screening for which diseases?

A
  • babesiosis
  • CJD
  • malaria
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12
Q

Mini-physical: general appearance

A
  • Skin free of scars and needle marks
  • Eyes clear, no pupil dilation, no yellow sclera
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13
Q

Mini-physical: H/H

A
  • Female Hgb > 12.5 g/dl for females
  • Male Hgb > 13.0 g/dl
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14
Q

Mini-physical temp

A

No greater than 37.5 C or 99.5 F

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15
Q

BP and pulse criteria

A
  • BP<180/100
  • pulse 50-100 bpm
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16
Q

Weight

A

Weight > 110 pounds

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17
Q

Which infectious agents are ruled out by questioning only?

A
  • malaria
  • prions
  • Ebola
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18
Q

Which infectious agents are ruled out by donor testing only?

A
  • WNV
  • Chagas
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19
Q

Which infectious agents are ruled out by both questioning and testing?

A
  • HIV
  • HBV
  • HCV
  • Zika
  • Babesia
  • Syphilis
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20
Q

Which infectious agent must test negative for specific recipients?

A

CMV

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21
Q

Blood collection must not exceed ____, otherwise

A
  • 15 min
  • throw away bag if exceed 15 min
22
Q

List donor possible adverse reactions

A
  • Vasovagal reaction (fainting)
  • Hyperventilation
  • Hypotensive shock
  • Hematoma
  • Twitching/muscle spasms
  • Cardiac difficulties
23
Q

How to treat vasophagal reaction?

A
  1. Stop phlebotomy
  2. Elevate legs above head
  3. Cold compress forehead and neck
  4. Aromatic spirits
24
Q

For donation from relative
Lower risk of:
Higher risk of:

A
  • Lower risk of alloimmunization
  • Higher risk of disease transmission, graft vs host disease
25
Q

Autologous donation associated with higher risk of ___

A

Transfusion associated circulatory overload (given more blood than needed) (TACO)

26
Q

How to handle accepted donor who weighs < 110 lbs

A

Calculate anticoag amount for low volume

27
Q

Deferral time for potential bacterial contamination or donor health

A

Today

28
Q

Deferral time for aspirin for platelets

A

48 hrs

29
Q

Deferral time for vaccines (LAV) or antibiotics

A

2 wks

30
Q

Deferral time for pregnancy

A

6 wk

31
Q

Deferral time for past donation

A

8 wks*
depends on type of donation

32
Q

Deferral time for risky behavior, treated STD, transfusion

A

3 months

33
Q

Deferral time for incarceration

A

12 mth

34
Q

Deferral time for positive Babesia NAT test

A

2 yr

35
Q

Deferral time for malaria infection or living in malaria-endemic location

A

3 yr

36
Q

Deferral time for:
- positive Hep or HIV test
- CJD risk
- bleeding condition
- heart or lung condition

A

permanent/indefinite

37
Q

Why test for ABO and Rh in donor testing?

A

Detect weak subgroups and weak D

38
Q

List required infectious disease testing and deferral categories

A
  • permanent: HBV/HCV, HIV
  • temporary: WNV, syphilis, Babesia
  • indefinite: T.cruzi Ab
39
Q

Syphilis testing

A
  1. Screen w RPR and hemagglutination
  2. Confirm with FTA-ABS or other FDA-approved EIA test
40
Q

How to decrease treponemal risk of transmission?

A

Cold storage bc treponemes are fragile and sensitive to cold

41
Q

Syphilis deferral time

A

12 mth post-treatment

42
Q

HCV deferral

A

permanent

43
Q

HTLV deferral

A

permanent/indefinite

44
Q

WNV deferral

A

120 days

45
Q

Zika deferral

A

4 wks

46
Q

COVID-19 deferral

A

14 days for symptoms or pos antigen test
blood donations not tested for COVID-19
no deferral for vaccine or pos antibody test

47
Q

LAV deferral

A

2-4 wk

48
Q

Synthetic vaccine deferral

A

none

49
Q

List medications that get you deferred

A
  • Abx
  • GH
  • HepBIG
  • Plavix
  • Accutane
  • Tegison
  • Aspirin
50
Q

Which virus is not detected through NAT?
HCV
HBV
HTLV
WNV

A

HTLV bc no risk