Blood donor Screening Flashcards

1
Q

What are the order of Blood Donation?

A
  • Blood donor selection
  • Blood collection
  • Unit processing and component processing
  • Compatibility testing/Pre-transfusion testing
  • Blood transfusion
  • **Transfusion reactions
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2
Q

What are the components included in Donor screening?

A
  • medical history,
  • physical examination,
  • serological testing
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3
Q

Why is proper Donor selection important?

A

Keywords: Safe transfusion

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4
Q

Why is Medical History important in blood donation?

A
  • to make sure the donor is well fit for donation, and
  • to make
    sure the blood is safe and
  • beneficial to the recipient of the blood
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5
Q

Give the 6 components for Physical examination:

A
  • Weight
  • Temperature
  • Pulse
  • Blood pressure
  • Hemoglobin
  • Hematocrit
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6
Q

Give the normal values for an Ideal donor based on these criterion:
- Weight
- Temperature
- Pulse
- Blood pressure
- Hemoglobin
- Hematocrit

A
  • 110 lbs / 50kg (Standard)
  • <37.5°C (99.5°F)
  • 50—100bpm

Systolic: 90—160 mmHg (should not >180 mmHg)
Diastolic: 60—100 mmHg (should not >100 mmHg)

> 12.5 g/dL (125 g/L)
Autologous: >11 g/dL

> 38%
Autologous: >33%

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7
Q

What is the required ideal age of a blood donor?

A

Ages: 18-65 years old

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8
Q

Can a blood donor be the recipient?

A

Yes, especially in cases of surgery the patient may donate blood prior to a major surgery and is deemed as AUTOLOGOUS

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9
Q

How does a 17 years old able to donate blood?

A

With parent’s consent

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10
Q

How does a donor above 65 years old able to donate?

A

With physician’s consent

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11
Q

____________ donors should be informed of the procedure for
donating blood and its potential risks

A

Consent to donate

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12
Q

What should you do if the donor is weighing less than the requirement weight?

A

Perform volume adjustments.

decrease the blood to collect and AC in the primary bag

< 110 lbs/50 kg

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13
Q

Give the three equations for volume adjustments:

A

Maximum blood to donate:
Donor weight/Ideal weight (110lbs/50kg) x 450 mL

Volume of AC needed:
Maximum blood to donate/100 x 14

Volume of AC to be removed from the primary bag:
63 - (Volume of AC required)

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14
Q

Standard volume for anticoagulant

A

63 mL AC

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15
Q

TRUE or FALSE: A blood bag unit is an open system

A

FALSE; the Blood bag unit is a closed system to avoid contamination. Accessing the inner portion requires the use of needles, and upon removal of AC this is now considered and open system

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16
Q

Hemoglobin testing can be done on which qualitative and quantitative methods?

A

qualitative:
Copper sulfate (CUSO4) method

quantitative:
CBC

17
Q

up to how many tests can CUSO4 be used?

A

up to 30 tests

18
Q

give the acceptable results for CUSO4 method

A

drop of blood sinks w/in 15s is interpreted as >12.5 g/dL Hb; otherwise, if it suspends or floats it is interpreted as <12.5 g/dL Hb

19
Q

Known as the “Donor Patient”

A

A donor who donates blood for his or her own use; AUTOLOGOUS DONORS

20
Q

What do you mean by Deferrals?

A

Delayed transfusions

21
Q

What does the acronym AABB stands for?

A

American Association of Blood Banking

Association of Advancement in the Blood and Biotherapies

22
Q

Common deferrals:
Not feeling well
Drunk
Skin lesions at venipuncture site

A
  • temporarily
  • deferred for 12 hours
  • deferred until fully recovered
23
Q

3 days deferral

A

Aspirin-containing medications

24
Q

2 weeks deferral

A
  • Measles vaccine
  • Mumps vaccine
  • Polio vaccine
  • Yellow fever vaccine
  • Acute febrile illness
25
Q

Give at least 3 causes for 12 months deferral

A
  • Syphilis
  • Gonorrhea
  • Animal bite
  • Hepatitis vaccine
  • Tattoo
  • Skin penetration with blood contaminated sharp
  • Ear piercing
  • Imprisoned
  • Tooth extraction
  • Household or sexual contact with
    individual w/ hepatitis, HIV
  • Traveled to area endemic for malaria
26
Q

3 years deferral

A

From an area (citizen) endemic for malaria

27
Q

Give at least 3 causes of permanent deferral

A
  • Parenteral drug use
  • Family history of Creutzfeldt-Jakob disease
  • Treated with growth hormone
  • Viral hepatitis after 11th birthday
  • Repeatedly reactive anti-HBc, anti-HCV, or
    anti-HIV
  • Babesiosis
  • Chaga’s disease
  • Cancer patient
  • Patients w/ bleeding disorders
  • Anemic
28
Q

what are the 2 systems used in donor identification?

A

numeric and alphanumeric system

29
Q

How to identify the patient correctly?

A

the phlebotomist must identify the blood donor to state his/her name

30
Q

Precaution in blood donation:

A

Blood donation should not be > 10% of donor’s blood volume

31
Q

Donor bleeding:
Donor intervals:

A

7-10 minutes (Philippine standard < 15 minutes)

3-4 months interval

32
Q

Major governing agency that approves blood collection sets

A

Food and Drug Administration (FDA)

33
Q

Qualities of a blood collection sets:

A

The set must be sterile, uncolored, transparent, and hermetically sealed

Key properties for containers: Flexibility, Pliability, Toughness

Should be kink and scratch-resistant

Should allow adequate gas exchange of O2 & CO2 but prevent evaporation
of the liquid

34
Q

TRUE or FALSE: The whole blood collection set is a “closed system” with a primary bad and
one or more satellite containers

A

TRUE

35
Q

TRUE or FALSE: If the seal is broken or compromised, the expiration date and time must be
changed and the set is now considered as “Open system”

A

TRUE

36
Q

Disinfection can be done in patients who are iodine sensitive via

A

chlorhexidine gluconate and isopropyl alcohol

37
Q

how often do we swirl the blood bag?

A

every 45 seconds to mix blood & AC

38
Q

Donor Management 6 encounters:

A
  • Fainting
  • Convulsions
  • Cardiopulmonary disease
  • Hematoma
  • Jet-like bleeding with bright red color
  • Lightheadedness, weakness, tingling sensation, palpitations