Which of the Following Sets of Signs and Symptoms Is

question 74

Multiple Choice

Which of the following sets of signs and symptoms is most likely to indicate that a patient has systemic lupus erythematosus (SLE) ?

• A)A butterfly-shaped, red rash on both cheeks joined across the bridge of the nose
• B)Hardening and shrinking of the skin to make it feel leathery
• C)Itchy, flaky, red patches of skin of various sizes, covered with silvery scales
• D)Pale, irregular patches of skin
• E)Redness of the skin due to enlargement of underlying capillaries showing through the skin

---

Definitions:

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Stratified Random Sample

A sampling method that divides the population into strata, or subgroups, and selects random samples from each stratum to ensure representation.

Statistic

A numerical measurement describing some characteristic of a sample, used to infer properties of the population from which it was drawn.

Parameter

A quantity that defines certain characteristics of a system or function, often used in mathematical or statistical models.