Concerns about e-cigarettes include lack of sufficient scientific data about their ______.
A. safety
B. effectiveness as smoking cessation aids
C. ability to deliver enough nicotine to satisfy withdrawal effects
D. all of these
Answer: D
You might also like to view...
Dave decides to conduct a survey of Americans adults. If the sample consists of 100 individuals, how many will say they favor marijuana legalization?
a) 25 b) 45 c) 60 d) 80
The emotion of fear appears to be controlled largely by the __________, even though it is possible for other areas of the brain to override (or mute) basic fear responses
a. amygdala b. hypothalamus c. hippocampus d. cerebellum
Once infected with HIV, the virus can attack the _____ system until it is _____
a) nervous system; destroyed. b) immune system; nonfunctional. c) vascular; nonfunctional. d) immune system: overactivated.
Your 5-year-old son has not been eating a balanced diet lately even though you provide well-balanced meals for him. To get him to eat his vegetables, you tell him that if he eats all of his vegetables you will let him have his dessert
Although many parents in American culture bribe their children in this manner, what is the likely result? a. Children learn to eat a balanced diet. b. Children come to associate vegetables with dessert and begin eating quite a bit more vegetables. c. Bribing children to eat their vegetables actually contributes to childhood obesity. d. Children refuse to eat vegetables unless they get sweet treats before eating vegetables.