(A) This answer is incorrect. The test measures the abilities to concentrate and calculate. The use of proverbs is the most common way to test abstraction. (B) This answer is correct. The serial sevens test is a common test of calculation ability. It is difficult for the demented or delirious client to perform. (C) This answer is incorrect. The test for judgment should predict whether the individual will behave in a socially accepted manner. (D) This answer is incorrect. In testingmemory, the nurse would attempt to get the client either to recall recent events or to think about past events.