Final answer:
Asking open-ended questions in counseling can lead to the therapeutic process getting off track if a client is too verbose, which may result in less effective sessions or primary issues not being addressed.
Step-by-step explanation:
One of the disadvantages of asking clients open-ended questions during counseling is that the therapeutic process may get off track if a client is verbose. Open-ended questions allow for a wide range of responses and give clients the opportunity to express themselves more fully compared to closed questions. However, if a client is particularly talkative or tangential, they may stray far from the original topic of discussion, potentially resulting in lengthy sessions where less material is covered effectively, or a situation where the primary issues are not addressed adequately.