Kayla and Layla are twins who were separated at birth
A researcher interested in studying heredity tracks them down and speaks to their different families about the benefits that can be achieved by studying the two young girls. The girls and their different sets of parents agree to participate, and studies begin assessing various areas of the girls' lives. In order for this type of twin study to be most effective, what kind of twins should Kayla and Layla be?
A) conjoined
B) monozygotic
C) amorphous
D) dizygotic
Answer: B
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Dr. Sands thinks that he is close to discovering an effective medication for the treatment of antisocial personality disorder, but his colleague Dr. Boyer cautions that ____
a. ?even if the medication is highly effective, compliance will be an issue b. ?it is unlikely that any medication will match the effectiveness of tranquilizers in stimulating empathy c. ?most symptoms of antisocial personality disorder typically dissipate on their own by adulthood, without medication d. ?there are already off-label medications that provide effective treatment for antisocial personality disorder
In classical conditioning, when an established conditioned stimulus is used to condition a second neutral stimulus, the process at work is:
a. stimulus generalization b. second-order conditioning c. stimulus habituation d. conditioned inhibition
Lamont does not want to study but he also does not want to get a bad grade on his test. Lamont is experiencing a(n):
a. avoidance-avoidance conflict. b. approach-approach conflict. c. approach-avoidance conflict. d. double approach-avoidance conflict.
The actions that cocaine has on dopamine neurotransmission consists of:
a. agonist actions at dopamine receptors and blockade of dopamine membrane transporters. b. inhibition of dopamine passage through vesicular transporters and inhibition of COMT. c. increase of dopamine passage through vesicular transporters and blockade of dopamine membrane transporters. d. inhibition of dopamine synthesis and blockade of dopamine membrane transporters.