When a Complement-Dependent Cytotoxicity Test Was Performed Using Standard Antibodies

question 8

Multiple Choice

When a complement-dependent cytotoxicity test was performed using standard antibodies to HLA A1,A3,B2,and B11,the following microscopic results were obtained: a majority of blue cells were seen with anti-A1,A3,and B11.Based on these results,what is the phenotype of the donor cells?

• A) HLA A1,B11
• B) HLA B2 only
• C) HLA A1,A3,B11
• D) cannot be determined from these results

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Definitions:

Linnaeus

Carl Linnaeus, an 18th-century Swedish botanist, physician, and zoologist who developed a system for naming, ranking, and classifying organisms.

Primates

Primates are an order of mammals that includes humans, apes, monkeys, and prosimians, characterized by complex behaviors, varied forms of locomotion, and a large brain relative to body size.

Hominids

Primates characterized by bipedalism and large brains, including the human lineage and all our immediate ancestors.

Genus

A rank in the biological classification system (taxonomy) that is used to group species sharing common characteristics, directly above species and below family.