A 70-Year-Old Patient Is Scheduled for Open-Heart Surgery

question 38

Multiple Choice

A 70-year-old patient is scheduled for open-heart surgery.The surgeon plans to use the great saphenous vein for the coronary bypass grafts.The patient asks,"What happens to my circulation when this vein is removed?" The nurse should reply:

• A)"Venous insufficiency is a common problem after this type of surgery."
• B)"Oh, you have lots of veins-you won't even notice that it has been removed."
• C)"You will probably experience decreased circulation after the vein is removed."
• D)"This vein can be removed without harming your circulation because the deeper veins in your leg are in good condition."

---

Definitions:

Fixed Costs

Costs that do not vary with the level of production or sales.

Short Run

A period in which at least one input, such as plant size or the number of firms in the market, is fixed and cannot be changed.

Fixed Cost

Any cost that does not depend on the firms’ level of output. These costs are incurred even if the firm is producing nothing. There are no fixed costs in the long run.

Marginal Costs

Marginal Costs involve the additional expenses incurred from the production of one extra unit of a product or service.