why is it particularly useful to study identical twins who were raised in different environments

ATI RN

Psychology 101 Final Exam

1. Why is it particularly useful to study identical twins who were raised in different environments?

A. Differences in brain function can be easily identified.
B. Concordance rates tend to be higher.
C. It is possible that the genetics of twins who have been separated have changed in ways to explain any differences found.
D. It is possible that high concordance rates between identical twins reared together are due to their being treated more similarly than nonidentical twins.

Correct answer: D

Rationale: Studying identical twins raised in different environments allows researchers to understand the impact of genetics versus environmental factors on traits. Choice A is incorrect because differences in brain function can be influenced by a variety of factors and not solely by environmental differences. Choice B is incorrect as concordance rates tend to be higher in identical twins reared together due to shared genetics and environment. Choice C is incorrect because genetics do not change due to being raised in different environments.

2. What role do genetic predispositions play in the development of mental disorders?

A. Genetic predispositions solely determine the development of mental disorders.
B. Genetic predispositions play a role but are not solely responsible for the development of mental disorders.
C. Genetic predispositions have no influence on mental disorders.
D. Genetic predispositions guarantee the development of mental disorders.

Correct answer: B

Rationale: Genetic predispositions are indeed a factor in the development of mental disorders, but they are not the sole determining factor. While genetics can predispose individuals to certain conditions, environmental factors, lifestyle choices, and life experiences also play a significant role. Choice A is incorrect because mental disorders are influenced by a combination of genetic and environmental factors. Choice C is incorrect as genetic predispositions do have an impact on mental health. Choice D is incorrect as genetic predispositions do not guarantee the development of mental disorders, as other factors also contribute to their onset.

3. Which therapy style requires the therapist to actively confront a client's irrational beliefs?

A. Person-centered therapy
B. Psychodynamic psychotherapy
C. Electroconvulsive therapy
D. REBT

Correct answer: D

Rationale: The correct answer is D, REBT (Rational Emotive Behavior Therapy). REBT involves actively confronting and changing irrational beliefs. Choice A, Person-centered therapy, is focused on providing a supportive and empathetic environment rather than confronting irrational beliefs. Choice B, Psychodynamic psychotherapy, emphasizes exploring unconscious processes and early life experiences rather than direct confrontation of irrational beliefs. Choice C, Electroconvulsive therapy, is a biological treatment for severe depression and other mental illnesses, not a therapy style that involves confronting irrational beliefs.

4. Infant characteristics ________.

A. do not affect parental behavior.
B. only affect parental behavior when psychopathology is present.
C. are not influenced by biological factors.
D. can influence the quality of attachment relationships.

Correct answer: D

Rationale: Infant characteristics can indeed influence the quality of attachment relationships. Parents often respond to their infants based on their characteristics, temperament, and needs. This interaction shapes the attachment bond between the parent and the child. Choices A, B, and C are incorrect because infant characteristics do have an impact on parental behavior and are influenced by various factors, including biological ones.

5. How does stress impact brain function?

A. Stress has no effect on brain function.
B. Stress can lead to changes in brain structure and function.
C. Stress can improve brain function.
D. Stress has no long-term impact on brain function.

Correct answer: B

Rationale: Stress can lead to changes in brain structure and function, affecting mental health and increasing the risk of disorders. Choice A is incorrect as stress does affect brain function. Choice C is incorrect as stress generally has negative impacts on brain function rather than improving it. Choice D is incorrect because stress can have long-term impacts on brain function through structural and functional changes.