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MAJOR HISTOCOMPATIBILITY COMPLEX

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Transplants last longer if the HLA antigens from the recipient and the donor are closely matched.

a)

Paternity testing

b)

Platelet transfusion

c)

Transplantation

2.

HLA loci are polymorphic and recombination is rare. HLA inheritance patterns can exclude fathers with approximately 99% accuracy

a)

Paternity testing

b)

Platelet transfusion

c)

Transplantation

3.

HLA B-27 is associated with

a)

Ankylosing spondylitis

b)

Myeloperoxidase (MPO) deficiency

c)

Chronic granulomatous disease

4.

Combination of inherited HLA alleles

a)

HLA

b)

Haplotype

c)

Genotype

5.

Two haplotypes (one from each parent)

a)

HLA

b)

Haplotype

c)

Genotype

6.

Are cell surface markers that allow immune cells to distinguish "self from "nonself."

a)

HLA

b)

Haplotype

c)

Genotype

7.

HLA complex located in;

a)

Chromosome 3

b)

Chromosome 6

c)

Chromosome 9

8.

HLA Antigens found on

a)

All nucleated cells

b)

Red blood cells

c)

White blood cells

9.

Complement proteins, TNFa and (3, and other proteins (e.g., heat shock protein) not associated with cell membrane surfaces

a)

Class I

b)

Class II

c)

Class III

10.

Molecules located on the surface of monocytes, macrophages, B cells, activated T cells, dendritic cells, Langerhans' cells, and some epithelial cells

a)

Class I

b)

Class II

c)

Class III

11.

Molecules found on nearly every nucleated cell surface

a)

Class I

b)

Class II

c)

Class III

12.

HLA-A2; A is the_____.

a)

Locus

b)

Allele

13.

HLA-A2; 2 is the _____.

a)

Locus

b)

Allele

14.

HLA was first described on:

a)

Red blood cells

b)

White blood cells

c)

Plasma cells

15.

Primary cause of immune mediated platelet transfusion refractoriness

a)

I HLA

b)

II HLA

c)

III HLA