To inspect Jasmine's fetus for defects of the limbs and face, as well as to allow a sample of fetal blood to be obtained, permitting diagnosis of hemophilia and sickle cell anemia, her doctor should use

Which type of thought does not begin until the stage of formal operational thought?

a) thinking about "what ifs" b) thinking about what is logical c) thinking about whether an object exists when it is out of sight d) thinking about only one feature of an object rather than taking all features into consideration

Which of the following is NOT associated with a decrease in hunger or eating behavior?

a. damage to the ventromedial hypothalamus b. a decrease in ghrelin c. nervous system information indicating stretching of the stomach walls d. high levels of leptin in the blood