NU 621 Week 2 Post-Class Exam Graded A+

NU 621 Week 2 Post-Class Exam Questions with Answers 2.10 Grade 33.00 out of a maximum of 36.00 (92%) Q 2 Question 2 The following three questions pertain to Case 2.A: Colon Cancer. Which of the following types of hereditary or familial colon cancer are associated with mutations in DNA repair genes? Select one: a. FAP b. HNPCC Feedback The correct answer is: HNPCC. Q 3 Question 3 Screening tests that measure the presence of blood in the stool include: Select one: a. Colonoscopy b. FOBT c. CEA d. All of the above Feedback The correct answer is: FOBT. Q 4 Question 4 Changes in both oncogenes and tumor suppressor genes are typically required for FAP to develop. Select one: a. True b. False Feedback The correct answer is: True. Q 5 Question 5 The following three questions pertain to Case 2.B: Retinoblastoma. The RB1 gene (pRB) is which kind of gene? Select one: a. Oncogene b. Tumor suppressor gene c. DNA repair gene d. Telomerase gene Feedback The correct answer is: Tumor suppressor gene. Q 6 Question 6 Normally the RB1 gene (pRB) Select one: a. Activates DNA repair proteins, thus makes sure new mutations are not passed on to progeny cells. b. Arrests the cell cycle to allow DNA repair to take place. c. Governs the passage of the restriction point in the cell cycle, thus regulates cell proliferation. d. Initiates apoptosis. Feedback The correct answer is: Governs the passage of the restriction point in the cell cycle, thus regulates cell proliferation.. Q 7 Question 7 Germline mutations are inherited, whereas somatic mutations are acquired. Select one: a. True b. False Feedback The correct answer is: True. Q 8 Question 8 The following three questions pertain to Case 2.C: Lung Cancer. Lung cancer is used to support the initiation, promotion, progression theory of carcinogenesis. According to this theory: Select one: a. Initiation is a reversible step caused by exposure to cigarette smoke. b. Promotion is initially reversible, but must follow initiation for tumors to form. c. Progression involves the mutation of DNA and is an irreversible step. d. Promotion is associated with metastasis and genomic instability, among other cellular changes. Feedback The correct answer is: Promotion is initially reversible, but must follow initiation for tumors to form.. Q 9 Question 9 The most common cause of lung cancer is: Select one: a. Asbestos exposure b. Radon gas c. Cigarette smoking d. Inherited genetic mutation Feedback The correct answer is: Cigarette smoking. Q 10 Question 10 Small-cell lung cancer can present as diabetes insipidus since these cells can release aldosterone. Select one: a. True b. False Feedback The correct answer is: False. Q 1 Question 11 The following three questions pertain to Case 2.D: Chronic Myeloid Leukemia (CML) with Philadelphia Chromosome. Chronic Myeloid Leukemia (CML) is associated with expansion of which of the following cell populations: Select one: a. Erythrocytes only