Surveys Are Used to Gather Data That Is Difficult to Observe

question 76

Multiple Choice

Surveys are used to gather data that is difficult to observe directly.A problem with surveys is that

• A) the results will be difficult to measure.
• B) the results cannot be applied across large groups.
• C) the results cannot determine cause and effect.
• D) All of these apply.

---

Definitions:

Erythema

Redness of the skin or mucous membranes, often caused by dilation and congestion of the capillaries, typically a sign of inflammation or infection.

Ecchymosis

The appearance of a large, discolored area on the skin, caused by bleeding underneath, typically resulting from bruising.

Skin Mobility

The ease with which skin can be moved or lifted, often assessed in the evaluation of edema, dehydration, or certain skin conditions.