How Do Doctors Test for the Presence of a BRCA1

question 9

Multiple Choice

How do doctors test for the presence of a BRCA1 mutation?

• A) Ovarian tissue is biopsied and tested for the presence of the mutation in the cells.
• B) A DNA sample is extracted from epithelial cheek cells in the saliva for genetic testing.
• C) A blood sample is tested for the presence of a protein particular to the mutation.
• D) A DNA sample is extracted from the nuclei of white blood cells for genetic testing.
• E) Breast tissue is biopsied and tested for the presence of a protein on the cell surface.

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Definitions:

Logical Reasoning

The process of using a logical sequence of thinking, utilizing deductive or inductive reasoning, to arrive at a conclusion or solve problems.

Direct Observation

A method of gathering data by watching behavior or events as they occur in their natural setting.

Internal Events

Psychological or physiological occurrences within an individual that are not observable by others.

Empirical

Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.