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%. What would be the positive predictive value (PPV)...

An outbreak of gastroenteritis occurred at a boarding school with a student enrollment of 846. Fifty seven students reported symptoms including vomiting, diarrhea, nausea, & low-grade fever between 10 p.m. on September 24 & 8 p.m. on September 25. The ill students lived in dormitories that housed 723 of the students. The table below provides information on the number of students per type of residence & the number reporting illnesses consistent with the described symptoms & onset time. Which p...

NR 503 Week 8 Discussion - Health Policy and Ethics

NR 503 Week 8 Discussion - Health Policy and Ethics

NR 503 Week 4 Midterm Exam 2023

NR 503 Week 8 FINAL EXAM Latest 2023

NR 503 Week 4 Midterm Exam 2023

NR 503 Week 5 Assignment: Infectious Disease Paper Infectious Disease: Hantavirus NR 503 Population Health Epidemiology and Statistical Principles

Multiple frequent asked questions with answers neatly arranged with elaborated support of each answer.

NR 503 WEEK 4 MIDTERM EXAMS QUESTION AND ANSWERS