NR 503 Week 8 Final Exam; Student Consult Questions with Rationale - Latest Guide 2019/20 - Graded A+ (Look no further)

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NR 503 Week 8 Final Exam Study Guide; Chapter 2-4, 5-6, 7-8, 9-15, 16-20 Which of the following is a condition which may occur during the incubation period? Chicken pox is a highly communicable dise... ase. It may be transmitted by direct contact with a person infected with the varicella-zoster virus (VZV). The typical incubation time is between 10 to 20 days. A boy started school 2 weeks after showing symptoms of chicken pox including mild fever, skin rash, & fluid-filled blisters. One month after the boy returned to school, none of his classmates had been infected by VZV. The main reason was: The ability of a single person to remain free of clinical illness following exposure to an infectious agent is known as: Which of the following is characteristic of a single-exposure, common-vehicle outbreak? Chapters 5-6 In a community-based hypertension testing program called HT-Aware, the detection level for high blood pressure is set at 140 mmHg for systolic blood pressure. A separate testing program called HT Warning in the same community sets the level at 130 mmHg for high systolic blood pressure. Which statements are likely to be true? A school nurse examined a population of 1,000 children in an attempt to detect nearsightedness. The prevalence of myopia in this population is known to be 15%. The sensitivity of the examination is 60% & its specificity is 80%. All children labeled as “positive” (i.e., suspected of having myopia) by the school nurse are sent for examination by an optometrist. The sensitivity of the optometrist’s examination is 98% & its specificity is 90%. How many children are labeled “positive” by the school nurse? Chapters 7-8 Which of the following statements best describe efficacy? A study is conducted for a pharmaceutical agent that has shown promise for reducing heart disease among women. In order to more fully test the agent, an additional study is done restricting the participants to be r&omized to those who have a history of hypertension. Which of the following advantages cannot be claimed by the researchers? Chapters 9-15 A study is planned to investigate the relationship of factors associated with maternal hypertension & the risk of congenital birth defects in children born to these women. Which of the following would be a reason for using a cohort study design? A researcher is interested in the etiology of myocardial infarction (MI) among men between 18 & 40 years of age. Her hypothesis concerns the influence of diets high in fat & subsequent development of MI. What is the best study approach to address this hypothesis? Chapters 16-20 A large company institutes a new wellness program aimed at improving the health of its 50,000 employees. As a part of the program, all employees are given physical examinations & screening tests. One of the tests given to male employees is the prostate specific antigen (PSA) test with all employees testing positive being referred to their private physician for a thorough examination involving the st&ard test, a digital rectal examination (DRE). What will happen to the apparent incidence rate of prostate cancer in the company during the first year of this program?A large company institutes a new wellness program aimed at improving the health of its 50,000 employees. As a part of the program, all employees are given physical examinations & screening tests. One of the tests given to male employees is the prostate specific antigen (PSA) test with all employees testing positive being referred to their private physician for a thorough examination involving the st&ard test, a digital rectal examination (DRE). On referral to their private physician, approximately 30% of men with a positive PSA are found to be negative for prostate cancer following the DRE. What is the sensitivity of the PSA test if DRE is assumed to be the gold st&ard? [Show More]

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