How does the view of twentieth-century scientists differ from ancient cultures when it comes to the meaning of dreams? Ancient cultures believed that dreams had spiritual meaning. Scientists know that both religion and biology are involved in dreams. Twentieth-century scientists believe dreams reveal personal meaning of beliefs. Ancient cultures understood about REM sleep long before today's current scientific discovery.

While gloving prior to beginning an arthroscopic procedure, the surgeon questions the necessity for double-gloving. which of the following are the most appropriate reasons to double-glove? 1. the barrier efficacy of latex decreases over time. 2. latex has a lattice-like structure that can lead to fluid passage. 3. minimally invasive procedures increase the risk of infection. 4. double-gloving adds protection from infection due to puncture injuries. a. 1,2, and 3 only b. 1,2, and 4 only c. 1,3, and 4 only d. 2,3, and 4 only