ISBB random recalls

Question 1

what is the ideal body weight for a blood donor?

Answer 1

110 lbs or 50 kg

Question 2

T/F

Donor’s body weight should be at least 110 lbs (50 kg) or more to remove 450 mL of blood collected in 63 mL of citrate phosphate dextrose (CPD) or citrate phosphate dextrose adenine (CPDA-1) anticoagulant plus up to 30 mL of additional blood used for testing.

Answer 2

T

Question 3

enumerate the blood groups from most common to least common

Answer 3

O > A > B > AB

Question 4

cell typing is also known as

Answer 4

forward or direct typing

Question 5

what is the specimen used for cell typing?

Answer 5

RBCs (Ag)

Question 6

Enumerate the reagent used (as well as the reagent’s color) in cell typing.

Answer 6

Anti-A (blue: trypan blue)
Anti-B (yellow: acroflavin dye)
Anti-AB (colorless)

Question 7

serum typing is also known as

Answer 7

reverse or indirect typing

Question 8

what is the specimen for reverse typing?

Answer 8

serum (Ab)

Question 9

Enumerate the reagents used for indirect typing.

Answer 9

A1 cells
B cells

Question 10

the universal donor

Answer 10

group O

Question 11

the universal recipient

Answer 11

group AB

Question 12

the universal donor for RBCs

Answer 12

group O (no Ag)

Question 13

the universal recipient for RBCs

Answer 13

group AB (no Ab)

Question 14

the universal donor for plasma

Answer 14

group AB (no Ab)

Question 15

the universal recipient for plasma

Answer 15

group AB (no Ag)

Question 16

give the percentage range of RCS

Answer 16

2-5% RCS

Question 17

an RCS approximate should have this distinct color

Answer 17

tomato red color

Question 18

it differentiate group O from Oh individuals

Answer 18

anti-H

Question 19

these antibodies are a mixture of IgM, IgG, and IgA

Answer 19

ABO antbodies

Question 20

mother: group O
baby: group A or B

Answer 20

ABO HDN

Question 21

mother: Rh (-)
baby: Rh (+), 2nd preggy

Answer 21

Rh HDN

Question 22

RBCs + anti-D = (+) agglutination

Answer 22

Rh (+)

Question 23

T/F

here is one of the basic qualifications for potential blood donor:

good health
body weight
- max: 10.5 mL / kg
- ideal: 110 lbs (50kg)
- 450 mL + 30 mL blood (serologic tests)
- 63 mL anticoagulant

Answer 23

T

Question 24

anticoagulant : blood ration (blood bag)

Answer 24

1:7

Question 25

if Chris has chagas disease, but he wanted to do his part and donate blood.

a. patient is eligible to donate blood
b. patient is permanently deferred for donating blood.
c. patient has 3 year donor deferral

Answer 25

b

Question 26

Collecting of new specimen for antibody screening is done every ___ in a series of transfusion.

a. 3 days
b. 7 days
c. 2 days
d. 5 days

Answer 26

a

Question 27

the donor and recipient samples should be kept for __ days after transfusion at 1-6 degree Celsius.

a. 3 days
b. 7 days
c. 2 days
d. 5 days

Answer 27

b

Question 28

what are the procedures done when HTR occurs?

Answer 28

1. stop transfusion
2. keep iv line open
3. notify physician & BB

Question 29

Compatibility testing is a series of tests that ensure safety and of transfusion to recipient and donor.

Can you give at least 3 of these tests?

Answer 29

1. review of BB records
2. ABO and Rh
3. Ab screen
4. cross matching
5. major x-match = DR/PS
6. minor x-match = PR/DS

Question 30

Immunoglobulin for allergic reactions and parasites

Answer 30

IgE

Question 31

a type of hypersensitivity reaction when a patient has peanut allergy or asthma

Answer 31

type I
immediate
anaphylactic

main immune mediator: IgE

Question 32

example of this type of hypersensitivity reactions are SLE, RA, Serum sickness, and Arthus reaction

Answer 32

type III
immune-complex

Question 33

example of this type of hypersensitivity reactions are skin contact with allergens such as poison ivy or poison oak.

Answer 33

type IV
delayed
cell-mediated

Question 34

type II sensitivity reaction is also known as

Answer 34

cytotoxic

Question 35

anti-myelin antibody

Answer 35

MS

Question 36

anti-glomerular basement membrane antibody

Answer 36

Goodpasture’s syndrome

Question 37

anti-TSH receptor antibody

Answer 37

grave’s disease

Question 38

acetylcholine receptor blocking antibody

Answer 38

myasthenia gravis

Question 39

major cause of post-transfusion hepatitis
MOT: sexual, parenteral, perinatal
flaviviridae (RNA)

Answer 39

HCV

Question 40

require infection with HBV (superinfection)

Answer 40

HDV