Answer to Question 1
ANS: 4
All persons have biological clocks that synchronize their sleep cycles. If the sleep pattern does not adversely affect the client's health or ability to function, it is not problematic.
Answer to Question 2
ANS: 2
When the sleep-wake cycle becomes disrupted (e.g., by working rotating shifts), other physio-logical functions usually change as well. For example, the person experiences a decreased appe-tite and loses weight. Anxiety, restlessness, irritability, and impaired judgment are other common symptoms of sleep cycle disturbances. Failure to maintain the individual's usual sleep-wake cycle negatively influences the client's overall health. Although the other options are not inappropriate, they are not as directly aimed at determining the cause of the changes.