A Nursing Instructor Is Giving a Lecture on Genetics and Genetic

question 13

Multiple Choice

A nursing instructor is giving a lecture on genetics and genetic testing. The instructor explains that there is a lot of controversy over testing for BRCA1 and BRCA2, the tumor suppressing genes that, if mutated, may indicate hereditary breast and ovarian cancer. The arguments against genetic testing for BRCA1 and BRCA2 include all of the following except:

• A)The cost of the test is high.
• B)The evidence to the effectiveness of the test is limited.
• C)The test is difficult to perform.
• D)Less than 10% of all breast cancers are genetically based.

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Definitions:

Break-even Point

The point at which total revenue equals total costs, resulting in no profit or loss for the business.

Sales Mix

The combination of different products or services that a company sells, which impacts the overall profitability.

Contribution Margin Ratio

A ratio that measures the percentage of sales revenue available to cover fixed expenses and generate profit, calculated as the contribution margin divided by sales revenue.

Annual Fixed Expenses

Expenses that do not change in total regardless of changes in the volume of activity or production levels, such as rent or salaries.