University:
Eastern Kentucky University
Course:
BIO 315 | Genetics
Academic year:

2022
Views:

57

Pages:

2
Author:

do3ran7ut

Chapter 15: Genetic Contributions to Psychiatric and Behavioral Disorders ____ 1. What is meant by the phrase “behavioral genetics”? D. The examination of gene variants that influence behaviors ____ 2. Which statement regarding behavioral genetics is accurate? B. A genetic predisposition toward a specific behavior can be modified by altering environmental influences. ____ 3. Why is direct-to-consumer marketing of diagnostic tests for mental illness and behavioral problems ____ 4. Which statement about attention deficit hyperactivity disorder (ADHD) is true? C. It is a complex disorder caused by gene variants along with environmental a dangerous practice? C. People using such tests may not receive professional counseling for interpretation of results and accurate risk assessment. contributions. ____ 5. What is the best description of the genetic contribution to the onset of autism? C. Known causes of autism spectrum include copy-number variants and chromosomal problems. ____ 6. Which condition provides the greatest support for a strong genetic contribution to autism spectrum ____ 7. Which assessment finding in a 3-year-old child increases the suspicion for a possible diagnosis of ____ 8. Why is pharmacogenetics/pharmacogenomics of particular interest in treating patients with ____ 9. Which condition or behavior suggests attention deficit hyperactivity disorder (ADHD)? C. A 9-year-old who does not focus on a favorite story or game for longer than 3 disorders (ASDs)? A. Concordance among dizygotic twins is 10%. autism spectrum disorder? A. Language skills are delayed. psychiatric/mental health problems? A. Psychiatric medications may be effective in only a small group of patients. minutes ____ 10. Why are single-nucleotide polymorphisms (SNPs), which have been associated with schizophrenia and bipolar disorder, currently not used to diagnose either of these disorders? A. The changes in gene activity caused by the SNPs is not sufficient to cause disease expression. ____ 11. Schizophrenia is reported to have a heritability estimate as high as 80%. What does this mean? B. If we look at a population, 80% of the risk for schizophrenia comes from genetics. ____ 12. At what point in human development is the phenotype of schizophrenia most likely to manifest? C. At adolescence or early adulthood ____ 13. An adult daughter whose mother has bipolar disorder is concerned that she may also have the disorder because she engages in all of the following behaviors. Which behavior should be explored further as a manifestation of bipolar disorder? D. Making frequent purchases of expensive clothing that she never wears ____ 14. A 48-year-old woman reports that her 50-year-old brother has severe bipolar disorder, and she is concerned that her two teenage daughters may be predisposed to the problem. She has no manic or depressive symptoms. How should you respond to her concerns? B. “If your husband also has no symptoms of the disorder, your daughters have the same risk as the general population.” ____ 15. What is the heritability estimate for addiction to alcohol in both males and females? C. 50% to 60%