Dr. Lancer noted in his observations that people who are susceptible to hypnosis are also more likely to listen to music. Dr. Lancer is describing a relationship called a

With respect to the prevalence of obsessive-compulsive disorder, which of the following statements is most accurate?

A) It is less common than most anxiety disorders, affecting 1% of the population in a given year. B) It is less common than most anxiety disorders, affecting 2% of the population in a given year. C) It is about as common as most anxiety disorders, affecting about 5% of the population in a given year. D) It is more common than most anxiety disorders, affecting about 5% of the population in a given year.

Which of the following reflect internal changes due to aging?

a) The heart's capacity to pump blood through the circulatory system to the brain is increased and more efficient due to the hardening and shrinking of blood vessels. b) The reduction in gray matter makes the aging brain less efficient. c) The respiratory system is more efficient with age. d) The digestive system is less efficient pushing food through the system, which leads to constipation.