Which of the following is true of the development of new drugs?
a. Usually drug development occurs without the use of animal models.
b. Animal models are only useful when developing drugs that do not affect cognition. c. Animal models cannot address human drug dependency.
d. Drug development is not possible without animal models.
ANSWER: d
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Steve and his wife, Bethany, both work full time. Since Steve usually arrives home first, he takes on the burden of cooking and cleaning, but he is becoming frustrated with the current division of chores. Which of the following learning approaches is likely to work best to increase Bethany’s participation in the household duties?
a. ?Steve should consistently comment upon Bethany’s lack of help with cooking and dish washing until her behavior changes. b. ?Steve should refuse to cook and clean, forcing Bethany to realize how her actions affect their relationship. c. ?Steve should ignore negative behaviors and notice and reward positive behaviors, gradually increasing Bethany’s participation in cooking and dish washing. d. ?Steve should make a list of how all of Bethany’s behaviors have affected his life.
Recent research has shown that child abuse can affect brain development. What is one finding?
A. The myelin surrounding neurons starts to deteriorate. B. The prefrontal cortex's ability to make rational decisions becomes impaired. C. The amygdala becomes more active, even in unemotional situations. D. There is a reduction in brain areas involved in processing emotional cues.
The prefrontal cortex ____.
A. is the main area for touch and other body information B. keeps track of the position of the body relative to the world C. is active during preparations for a movement and less active during movement itself D. responds to lights, noises, and other signals for a movement.
There are two main types of chromosomal disorders, those that take place on the 21st pair of chromosomes and those ______
a. that take place on the 20th pair b. that take place on the 22nd pair c. that involve the sex chromosomes d. that involve rapidly developing chromosomes