If a Woman Tests Positive for the Mutant Alleles of the BRCA1

question 17

Multiple Choice

If a woman tests positive for the mutant alleles of the BRCA1 or BRCA2 genes,all of the following might be reasonable options EXCEPT

• A) increased frequency of screening.
• B) subcutaneous mastectomy.
• C) taking the drug tamoxifen before tumors appear.
• D) continued monitoring with mammograms.
• E) continued testing for the BRCA1 or BRCA2 genes.

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Definitions:

Positive Charge

An electrical charge possessed by protons, which is opposite in sign to the charge carried by electrons.

Action Potential

A brief electrical impulse by which information is transmitted along the axon of a neuron.

Refractory Period

A time directly following stimulation in which a nerve or muscle is incapable of responding to more stimulation.

Synapse

The junction or region between the axon of one neuron and the dendrites or cell body of another, through which nerve impulses pass.