Bone Marrow Transplantation Is Currently Used to Treat Many Immunodeficiency

question 34

Multiple Choice

Bone marrow transplantation is currently used to treat many immunodeficiency diseases resulting from defects in hematopoietic cells, such as lymphocytes or myeloid cells. Often, the donor of the bone marrow is a healthy relative of the patient, such as a sibling or a parent .
Which of the individual relatives above would not be a potential donor for the patient's bone marrow transplant?

• A) Mother
• B) Father
• C) Grandmother
• D) Sibling 1
• E) Sibling 2

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Definitions:

Internal Validity

The certainty with which results of an experiment can be attributed to the manipulation of the independent variable rather than to some other, confounding variable.

Ceiling Effect

Failure of a measure to detect a difference because it was too easy (also see floor effect).

Strongest Manipulation

In experimental research, the use of the most extreme or powerful version of the independent variable to assess its effects.

Nonsignificant Findings

Results of a statistical analysis that do not meet the criteria for significance, indicating that any observed effect might be due to chance.