Which Test Is Most Often Performed at 8 to 11

question 309

Multiple Choice

Which test is most often performed at 8 to 11 weeks, and involves inserting a needle (abdominally) or a catheter (cervically) into the substance of the placenta (but staying outside the amniotic sac) and removing 10 to 15 milligrams of tissue, which is cleaned of maternal uterine tissue, and then grown in a culture so that a karyotype can be made?

• A)amniocentesis
• B)chorionic villus sampling (CVS)
• C)sonoembryology
• D)embryoscopy

---

Definitions:

Variable Costs

Costs that change in proportion to the level of goods or services that a business produces.

Straight-Line Depreciation

A technique for distributing the expense of a physical asset evenly over its lifespan on an annual basis.

Sewing Machines

Mechanical or electromechanical devices used to stitch fabric and other materials together with thread.

Hourly Wages

Compensation paid to employees based on the number of hours worked, often set at a fixed rate per hour.