A Patient Is Scheduled for Cardiac Surgery for Placement of a Mechanical

question 22

Multiple Choice

A patient is scheduled for cardiac surgery for placement of a mechanical valve.Which patient statement indicates correct understanding of characteristics of mechanical valves used for cardiac valve replacement? (Select all that apply.)

• A) "They are durable."
• B) "They require donors."
• C) "They create turbulent blood flow."
• D) "They can be placed during balloon angioplasty."
• E) "They do not require lifelong anticoagulant therapy."
• F) "They may be preferred if anticoagulation is a concern."

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Definitions:

Perfect Cube

A value that represents the result of cubing an integer.

Evaluate

Process of determining the value of an expression or function.

Square Roots

The value that, when multiplied by itself, gives the original number, often denoted as √x.

Perfect Square

A number that is the square of an integer, such as 1, 4, 9, 16, etc.