The nurse plans to assess a client's ability to think abstractly. Which question or statement is likely to provide the best information about the client's abstract thinking?

Choice A reason: This is a factual question and does not assess abstract reasoning. It relates to memory or orientation. Choice B reason: Counting backwards by sevens assesses concentration and calculation ability, not abstract thinking. Choice C reason: Interpreting a proverb requires the client to understand figurative language and conceptual meaning, which is a direct measure of abstract thinking. Choice D reason: Asking for a birth year assesses orientation to time, not abstract reasoning.