The overall effect of nicotine is that it:
A. reduces pain
B. depresses the nervous system
C. creates strong euphoria
D. produces a long-lasting pleasant feeling
Answer: D
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What does the notation p < .05 next to a correlation mean?
A. The probability that a correlation would occur purely by chance is less than 95 out of 100 B. The probability that a correlation would occur purely by chance is less than 5 out of 100 C. The probability that a positive correlation will be found purely by chance D. The probability that a negative correlation will be found purely by chance
When alleles of the pair of chromosomes are different, the person is ______, and the trait expressed will depend on the relations among the genes.
A. homozygous B. heterozygous C. dominant D. polygenic
When developmentalists use the term "expert," they usually mean a person who
is extraordinarily gifted in one area. has earned advanced credentials in his or her special area. is innately skilled. is significantly better than others at performing a certain task.
Although grieving is considered a normal process, it does sometimes become a psychological disorder. Which of the following cases would NOT be diagnosed as complicated grief?
A. Mr. A's sister suddenly passed away from illness about a year ago. Mr. A is still suffering from severe depression and persistent thoughts of joining his sister in heaven. B. Two years ago, Miss B has experienced the death of a close friend. She is so depressed that she has no appetite or energy, and believes that she will never be truly happy again without her friend. C. Mrs. C's dog recently died. Three weeks later, her friends suggest that she get another dog "to help her get over the loss." Mrs. C refuses, saying she just isn't ready to get another dog and still has trouble accepting that "Duchess" is gone. D. Dr. D's cat died 18 months ago. In addition to his depressive symptoms, he cannot stop replaying the scene of her death in his mind, which is interfering with his social life.