Kell Blood group

Question 1

Predominant Population with:

K - k +

Answer 1

Blacks 96.5

Question 2

Predominant Population with

K+ k+

Answer 2

Whites 8.8

Question 3

Predominant Population with

K+ k-

Answer 3

Whites 0.2

Question 4

• Immunogenic
• Second to D in terms of
  Immnogenecity
• well developed at birth

Answer 4

Kell antigen

Question 5

• common antibody encountered in BB
• IgG
• bind complement
• Severe HTR and HDN

Answer 5

Anti-K

Question 6

Antibodies against Low-frequency Kell antigen

Answer 6

Kp^a
Js^a

Question 7

Antibodies against HIGH-frequency Kell antigen

Answer 7

k
Kp^b
Js^b

Question 8

Express weak K antigen

Answer 8

McLeod Phenotype

Question 9

Causes x-linked Chronic Granulomatous Disease (CGD)

Answer 9

McLeod Phenotype

Question 10

Kell 1
K

Answer 10

Kell

Question 11

Kell 2
k

Answer 11

Cellano

Question 12

Kell 3
Kp^a

Answer 12

Penney

Question 13

Kell 4
Kp^b

Answer 13

Rautenberg

Question 14

Kell 6
Js^a

Answer 14

Sutter

Question 15

Kell 7
Js^b

Answer 15

Matthews

Question 16

Precursor substance of Kell antigen

Answer 16

Kx

Question 17

Genes that codes for Kx

Answer 17

X1k

Question 18

Kx are found on (2)

Answer 18

WBC
RBC

Question 19

Location by which Kx remained unconverted

Answer 19

WBC

Question 20

Lack Kx with Abnormal RBC projections (ACANTHOCYTES)

Answer 20

McLeod Phenotype

Question 21

Lack leukocytic Kx causes CGD

Answer 21

RBC

Question 22

Condition by which neutrophil cannot kill ingested microorganisms

Answer 22

CGD

Question 23

k, Kp^b, Js^b can be detected through

Answer 23

Adsorption
Elution

Question 24

RBC lacks all Kell antigens

Answer 24

Kell null (Ko)