Recent Publications of Meta-Analysis of Electrical Stimulation (ES) and Tissue

question 13

Multiple Choice

Recent publications of meta-analysis of electrical stimulation (ES) and tissue healing have revealed which of the following sets of results for chronic wounds in human subjects?

• A)The same rate of healing for the control group compared to the ES group
• B)A slower rate of healing for the control group compared to the ES group
• C)A more rapid rate of healing for control group compared to the ES group
• D)A more rapid rate of tissue necrosis for the control group than for the ES group

---

Definitions:

Variable

An element, feature, or factor that is liable to change or be changed, often used in the context of experiments, statistics, or mathematics.

Mixed Costs

Costs that contain both a variable- and a fixed-cost element and change in total but not proportionately with changes in the activity level.

Fixed Costs

Expenditures such as rent, salaries, and insurance that are unaffected by changes in production or sales volumes.

Contribution Margin

The amount by which a product's sales price exceeds its total variable costs, indicating the contribution towards covering fixed costs and generating profit.