Experimental vaccines for psychostimulant addiction:
a. prevent absorption of psychostimulant drugs.
b. prevent psychostimulants from blocking dopamine membrane transporters.
c. prevent a psychostimulant from crossing the blood-brain barrier.
d. catabolize psychostimulant drugs.
Ans: C
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According to research, who of the following is more at risk to be a victim of bullying?
a. Eric, a 15-year-old male who is gay and has a learning disorder b. Angela, a 9-year-old female who has a speech impediment and is advanced classes at school c. Elizabeth, a 16-year-old female who is African American d. Andrew, a 9-year-old male who comes from a low socioeconomic neighborhood and plays soccer at school
Every 50 minutes, the class takes a break if their behavior is appropriate. They are on a ____ schedule of reinforcement.
A. variable-interval B. fixed-interval C. variable-ratio D. fixed-ratio
Grant is sitting in his high chair calling to his dog, "Here Dog.". He then turns to his mother and says "Want juice.". Grant is exhibiting
a. cooing. b. telegraphic speech. c. the single-word stage. d. babbling.
Tristan cannot think of a set of defining features for game. Some games have playing pieces (e.g., checkers or chess), but other games do not (e.g., dodgeball or freeze-tag). Some games have a winner (e.g., baseball or football), while others do not (e.g., role-playing games). Based on this information, the notion of a game is a __________ concept.
A. prototypical B. semantic C. abstract D. formal