ATI RN
Psychology 101 Exam 3 Test
1. Biological discoveries ________.
- A. have lessened the subjectivity of definitions of abnormality.
- B. demonstrate that the environment plays only a minimal role in the development of psychopathology.
- C. make it clear that mental disorders are diseases and should be dealt with by the medical profession.
- D. have led to a recognition of the role that genetic factors and other biological influences play in the development of many disorders.
Correct answer: D
Rationale: Biological discoveries have indeed led to a recognition of the role that genetic factors and other biological influences play in the development of many disorders. This understanding has shifted the focus from purely environmental explanations to acknowledging the significant impact of genetics and biology on mental health. Choices A, B, and C are incorrect because biological discoveries have not specifically addressed the subjectivity of definitions of abnormality, minimized the role of the environment in psychopathology, or definitively classified mental disorders as diseases that should only be handled by the medical profession.
2. While the term psychology has existed since at least the early 1700s, psychology did not come to be considered a science until?
- A. The 1750s.
- B. The early 1800s.
- C. The late 1800s.
- D. The 1940s.
Correct answer: C
Rationale: Psychology became recognized as a science in the late 1800s, aligning with broader trends in scientific inquiry during that period. This marked the establishment of psychology as a distinct field of study based on empirical research and experimentation. Choices A, B, and D are incorrect because psychology's formal recognition as a science occurred later, specifically in the late 1800s.
3. Which of the following characteristics best describes differences between bulimia nervosa and anorexia nervosa?
- A. Individuals with anorexia nervosa do not have as severe health risks as individuals with bulimia nervosa have.
- B. Individuals with bulimia nervosa may have a normal body weight.
- C. Individuals with anorexia nervosa have been known to binge like those with bulimia nervosa on occasion.
- D. Only those with bulimia nervosa display compensatory behaviors.
Correct answer: B
Rationale: The correct answer is B. Individuals with bulimia nervosa may maintain a normal body weight, while anorexia nervosa is often associated with severe underweight. Choice A is incorrect because individuals with anorexia nervosa actually face severe health risks due to malnutrition, electrolyte imbalances, and other complications. Choice C is incorrect as anorexia nervosa is characterized by restriction of food intake rather than binge eating. Choice D is incorrect as individuals with anorexia nervosa can also display compensatory behaviors such as excessive exercise or fasting.
4. What are some common methods used to study genetic influences on behavior?
- A. Genetic influences are studied only through twin studies.
- B. Common methods include twin studies, adoption studies, and gene mapping.
- C. Genetic influences on behavior are only studied through family history.
- D. Genetic influences on behavior are not well understood.
Correct answer: B
Rationale: Common methods used to study genetic influences on behavior include twin studies, adoption studies, and gene mapping. Twin studies help to compare the similarities between identical and fraternal twins to estimate the heritability of a trait. Adoption studies look at the similarities between adopted children and their biological and adoptive parents to determine genetic influences. Gene mapping involves identifying specific genes associated with certain behaviors. Choices A, C, and D are incorrect because genetic influences on behavior are not solely studied through twin studies or family history, and while the understanding of genetic influences may vary, there are established methods to study them.
5. Which of the following statements is true?
- A. Most behavioral disorders are determined exclusively by genes.
- B. Genes play a role in most mental disorders.
- C. Genes do not affect biochemical processes.
- D. The genes that will be expressed in an individual are not affected by experience.
Correct answer: B
Rationale: The correct answer is B: 'Genes play a role in most mental disorders.' This statement is true as genes do play a significant role in the development of various mental disorders. Choice A is incorrect because most behavioral disorders are influenced by a combination of genetic, environmental, and other factors, not exclusively genes. Choice C is incorrect as genes do affect biochemical processes. Choice D is incorrect because the expression of genes in an individual can be influenced by experiences and environmental factors, a concept known as gene-environment interaction.
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