NURS C475 quiz 3 | Most tested questions | Already GRADED A+ ( UPDATED 21/22)

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NURS C475 quiz 3 Answers/ rationales_2021 Which condition provides the greatest support for a strong genetic contribution to autism spectrum disorders (ASDs)? Select one: a. ASDs are more likely to oc... cur 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. Question 2 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. Question 3 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 Question 4 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% Question 5 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 Question 6 Question text A woman whose family history for breast cancer includes two paternal aunts who developed breast cancer before age 45. Which genetics professional would be most appropriate for assistance in helping this patient understand the health risk posed by this family history? Select one: a. Clinical laboratory geneticist b. Clinical geneticist c. Medical geneticist d. Genetic counselor Question 7 Correct 1 points out of 1 Flag question Question text What is the most accurate classification of the common forms of coronary artery disease and hypertension? Select one: a. Complex disorders resulting from gene–environment interactions b. Sequential genetic disorders related to age, ethnicity, and gender c. Primary disorders with an autosomal dominant pattern of inheritance d. Secondary disorders caused by lifestyle choices Question 8 Question text Under which condition(s) would genetic testing for predisposition to an inherited disorder in a minor child be considered reasonable? Select one: a. When the mutation within a family is known and is specific b. When penetrance is high and the expected onset is middle adulthood c. When the risk is high and prophylaxis to reduce disorder severity is available d. When the family pedigree indicates an autosomal dominant pattern of inheritance Question 9 Correct A patient states that she has heard that the origin of most cancers is “genetic.” What is the best response? Select one: a. The majority of cancers are inherited.” b. “Cancer is more common among males than females.” c. “The development of most cancers is predetermined and not affected by environmental factors.” d. Cancers arise in cells that have alterations in the genes.” Question 10 Question text A patient with a fractured elbow in the emergency department states that he needs morphine for pain rather than codeine because the last time he had a painful injury, codeine was not effective in managing his pain. What is the nurse’s best response or action? Select one: a. Reassure the patient that he will receive progressively higher dosages of codeine until his pain is controlled. b. Alert the health-care provider that this patient is “drug-seeking.” c. Communicate this information to the admitting physician. d. Ask the patient how much alcohol he ingests daily. Question 11 Question text Which statement regarding general cancer development is true? Select one: a. Children of older mothers have a greater risk for cancer development. b. Cancers usually develop in tissues that are missing a nucleus. c. Most mutations leading to cancer development occur in structural genes. d. The risk for cancer development increases with age. Question 12 Question text Which statement about atrial fibrillation is correct? Select one: a. It is found exclusively in adults over 60 years old. b. When severe, it leads to long QT syndrome. c. It is the most common genetic cardiac disorder worldwide. d. A variety of different genes contribute to its expression. Question 13 Question text What is the result of a mutation occurring in a suppressor gene? Select one: a. Increased unequal “crossing over” during meiosis I b. Increased “error-prone” DNA repair c. Loss of an existing function d. Gain of a new function Question 14 Question text In which body or cell area are most genes in humans located? Select one: a. Mitochondrion b. Nucleus c. Plasma Membrane d. Cytoplasm Question 15 Question text How do genetic counselors provide genetic/genomic information to patients and families in a nondirective manner? Select one: a. Presenting all facts and available options in a manner that neither promotes nor excludes any legally permitted decision or action b. Filtering management options and focusing on the information that will support the decision they believe is right for the individual patient/family c. Skillfully directing the patient and family toward the best choice that is supported by appropriate research d. Providing only the information the patient or family specifically requests [Show More]

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