Rh group (History to terminology) Flashcards

1
Q

ISBT number 004

A

Rh blood group

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2
Q

Convert the following genotypes from Wiener nomenclature to Fisher-Race and Rosenfield nomenclatures, and list the antigens present in each haplotype.

a. R1r
b. R2R0
c. RzR1
d. rr

A

R1r
DCe/dce
Rh:1, 2, -3, 4, 5

R2R0
DcE/Dce
Rh:1, -2, 3, 4, 5

RzR1
DCE/DCe
Rh:1,2,3, -4,5

ryr
dCE/dce
RH: -1,2,3,4,5

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3
Q

What theory in 1940s, said that each person inherits a set of Rh genes from each parent (one D or d, one C or c, one E or e), because Rh genes are thought to be CODOMINANT

A

Fisher-Race

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4
Q

Rh-hr terminology: presence of CE (with D)

A

Z

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5
Q

When was Rh phenotype was reported in order of DCE

A

1946

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6
Q

How are Rh antigens inherited?

A

Codominant alleles

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7
Q

Introduced a new terminologies for Rh group in 1962

A

Richard Rosenfield and Co workers

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8
Q

“C” gene frequency for RH antigens in Caucasians

A

70%

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9
Q

Rh was named from

A

Rhesus Monkey

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10
Q

antigen is most potent, found in 85% of the white population and is always significant for transfusion purposes

A

D antigen

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11
Q

This case is where Dr. Levine found that over 90% is rh neg mother and rh positive father.

A

Erythroblastosis fetalis

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12
Q

“e” gene frequency for RH antigens in Caucasians

A

98%

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13
Q

Interpret this using “Alphanumeric Terminology

1,2,-3,5

A

Presence of D, C, e but absence of c

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14
Q

Created to more accurately represent the serological daya and to be more compatible with computer use

A

Alphanumeric Terminology

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15
Q

This terminology may be considered the phenotypic expression of the haplotype

A

Rh-hr terminology

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16
Q

It represents the presence of a single haplotype expressing three different factors

A

agglutinogen

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17
Q

Termsed for Anti-rhesus produced by animals

A

Anti-LW

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18
Q

Most commonly use terminology for Rh grouping

A

Fisher-Race or DCE term

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19
Q

Reported an antibody made by guinea pigs and rabbits when transfused with Rhesus monkey

A

Dr. Landsteiner and Dr. Alexander S. Wiener

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20
Q

The complement of genes inherited from either parent

21
Q

Indicates that an individual’s rbc possess one particular Rh antigen (D antigen)

A

Rh positive

22
Q

Rh-hr terminology: indicates absence of antigen

23
Q

Under ISBT: what number was assigned to Rh blood group

24
Q

represents the absence of D antigen in fisher race theory

A

d (small d)

25
Weiner symbol
Rh-hr
26
who described an HTR on an obstetrical patient after delivering a stillborn infant in 1939
Dr. Philip Levine and Rufus Stetson
27
There are reports about Hemolytic transfusion reactions & HDN in this year
1930s
28
When was HDN first described?
1609
29
presence of Ce without D
'
30
Termed the fisher-race
Ronald Aylmer Fisher and Dr. Robert Russel Race
31
No genetic basis, no involve theory of Rh inheritance
“Alphanumeric Terminology
32
D gene frequency for RH antigens in Caucasians
85%
33
This system has no genetic basis, nor was it proposed based on a theory of Rh inheritance, but it simply demonstrates the presence or absence of the antigen on the RBC.
Rosenfield (alphanumeric)
34
Indicates presence of D for Rh-hr terminology
"R"
35
Who termed the Rh-hr terminology
Dr. Alexander Weiner
36
Number of digits per antigen under ISBT
6
37
For ISBT: First 3 digits represents the ____ and the remaining 3 represent the ___
1. system 2. antigenic specificity
38
C and c antigens for Fisher race recognizes what antigen
Anthetical
39
establishes a uniform nomenclature that is both eye and machine readable and is in keeping with the genetic basis of blood groups
International Society of Blood Transfusion Committee
40
What causes the erythroblastosis fetalis in the findinga of Dr. levine in 1941
Maternal antibody
41
Who believed that there was one gene responsible for defining Rh that produced an agglutinogen
Weiner
42
Rh antibodies reacts best at
37C
43
Proposed a system that assigns a number to each antigen of the Rh system in order of its discovery or recognized relationship to the Rh system
Richard Rosenfield and Coworkers
44
Second most important blood system in terms of transfusion
Rh group
45
This terminology was followed for written communication
Fisher-Race
46
Presence of cE without D
"
47
Hemolytic disease of the fetus and newborn also called as
Erythroblastosis fetalis
48
Rh-hr terminology: for presence of ce
0
49
Presence of CE without D
y