The nurse is listening to a lecture about angina. Which statement by the nurse indicates that the teaching has been effective? A client is suspected of having discoid lupus erythematosus (DLE). Which diagnostic test will primarily confirm the diagnosis.

"Stable angina is chronic."

Explanation:

The statement that indicated that teaching has been effective is :

"stable angina is effective"

A stable angina is said to be triggered by the predictable amount of the emotion or the effort and it is said to be a chronic condition. Whereas an unstable angina is mostly triggered by unpredictable emotion or exertion. The attacks can occur at night and can become severe over time.

In the context, it is given that a client had DLE or discoid lupus erythematosus. It is a severe skin condition which is chronic with symptoms like sores, redness and inflammation in the patients.

A confirmatory diagnostic test would be a skin biopsy and a positive antinuclear antibody test.