Final answer:
The manifestations should the nurse expect is: A. Substance.
Step-by-step explanation:
When assessing an adolescent client with depression, a nurse should expect to see a variety of manifestations. Depression symptoms in adolescents can include irritability, which can manifest as a low tolerance for everyday frustrations and a short temper. This emotional response can be due to the internal struggle adolescents face when dealing with depression. It is crucial to understand that irritability is often more prominently displayed than sadness in younger individuals with depression.
Even though behaviors such as substance abuse and aggressiveness can sometimes accompany depression, especially in adolescents, irritability is one of the more common signs that a nurse could expect during an assessment. While the nurse could potentially encounter many behaviors, irritability is recognized as a key indicator that may signal depression in adolescents, according to the given reference. The answer is option a.