I/P1PK/P Globoside

Question 1

I antigen is a ____ carbohydrate

Answer 1

branched

Question 2

i antigen is a ___ carbohydrate

Answer 2

linear

Question 3

I/i expression on cord cells

Answer 3

i positive

I negative

Question 4

Big I antigen develops at what age?

Answer 4

2 years

Question 5

true I negative “i adult” found in what population?

Answer 5

Asian

Question 6

decreased expression of I antigen

Answer 6

cataracts, leukemia, sickle cell, stress hematopoiesis, HEMPAS, Tk polygglutination

Question 7

most common cold autoantibody

Answer 7

auto-anti-I

Question 8

antibody associated with Mycoplasma pneumonia

Answer 8

auto-anti-I

Question 9

antibody associated with mononucleosis

Answer 9

anti-i

Question 10

P1PK system antigens

Answer 10

P1, Pk

Question 11

GLOB system antigens

Answer 11

P

Question 12

P1 phenotype

Answer 12

P1, P, weak Pk antigens

Question 13

P2 phenotype

Answer 13

P, weak Pk antigens

commonly make anti-P1

Question 14

Pk phenotype

Answer 14

Pk antigen

can make anti-P and anti-P1

Question 15

p null phenotype

Answer 15

always make anti-P1PPk (anti-Tja)

Question 16

P1 neutralization substance

Answer 16

hydatid cyst fluid, pigeon dropping, pigeon egg whites

Question 17

another name for anti-PP1Pk

Answer 17

anti-Tja

Question 18

clinically significant P group antibody

Answer 18

anti-PP1Pk

Question 19

Donath-Landsteiner antibody

Answer 19

auto-anti-P

Question 20

IgG antibody associated with paroxysmal cold hemoglobinuria

Answer 20

auto-anti-P

Question 21

biphasic hemolysis

Answer 21

Ag-Ab binds in cold temps, hemolyzes in warm