Health Care > QUESTIONS & ANSWERS > quiz 3 NURS C475 questions and answers2020-2021 (All)
Which condition provides the greatest support for a strong genetic contribution to autism spectrum disorders (ASDs)? Select one: a. ASDs are more likely to occur in children of parents who are over... 35 at time of conception. b. Concordance among dizygotic twins is 10%. c. People with some neurologic disorders also have features of ASDs. d. Males are affected four times more frequently than females. Feedback The correct answer is: Concordance among dizygotic twins is 10%. Question 2 Correct 1 points out of 1 Flag question Question text Which statement best describes the role of tumor suppressor genes in cancer development? Select one: a. The presence of tumor suppressor genes increases the risk for gene damage by environmental carcinogens. b. Tumor suppressor genes reduce/suppress immune function, increasing the risk for cancer development. c. Tumor suppressor genes control or modify the activity of oncogenes, reducing the risk for cancer development. d. Tumor suppressor genes are a type of oncogene that is only active in germ line cells and tissues. Feedback The correct answer is: Tumor suppressor genes control or modify the activity of oncogenes, reducing the risk for cancer development. Question 3 Correct 1 points out of 1 Flag question Question text How do genetic/genomic issues influence individual variation of the response to a specific drug? Select one: a. Polymorphisms of genes encoding metabolizing enzymes b. Age-related loss of alleles within the cells lining the intestinal tract c. Genetic-based behavior problems that promote poor adherence to prescribed drug regimens d. Single gene disorders that reduce the function of the kidneys or the liver Feedback The correct answer is: Polymorphisms of genes encoding metabolizing enzymes Question 4 Incorrect 0 points out of 1 Flag question Question text What is the heritability estimate for addiction to alcohol in both males and females? Select one: a. 10% to 20% b. 50% to 60% c. 20% to 40% d. 60% to 80% Feedback The correct answer is: 50% to 60% Question 5 Correct 1 points out of 1 Flag question Question text What type of genetic test provides information about an asymptomatic person’s risk for having a child with a specific autosomal recessive disorder in the future? Select one: a. Newborn screening b. Carrier test c. Predictive test d. Diagnostic test [Show More]
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