CPH Exams Bundle

Environmental Health - correct answer Comprises those aspects of human health, including quality of life, that are determined by physical, chemical, biological, social, and psychosocial factors in the environment. It also refers to the theory and practice of assuming, correcting, controlling, and pr...

Public health laws approved by city or county boards must be - correct answer approved by referendum Sensitivity - correct answer true positive rate; proportion of positives correctly identified as such; A/A+C Specificity - correct answer true negative rate; probability of testing negative if ...

Which one of the following items does not represent the value of biostatistics in the assessment of health problems of the population and determine their extent? (A) Finding patterns in the collected data (B) Summarizing and presenting the information to best describe the target population (C) De...

It is well recognized that one of the easiest ways to increase statistical power is to increase the sample size. Which of the following could also be used to increase power in a study. - correct answer Reduce error through using appropriate methods **Power is primarily influenced by two things, sam...

Public Health professionals have to learn to work effectively with the media. Public health is potentially appealing for the popular press because: 1. its stories have urgency, drama and novelty. 2. it is a source rich in detail, facts and figures. 3. scientists and journalists have a long histor...

The lengths of stay for six patients were 0, 0, 1, 2, 2, and 16 days. Which is (are) the best measure(s) to summarize these data? A) Mean B) Median C) Median and SD D) Mean and SD E) Median and Range - correct answer E) Median and Range An epidemiologist attempts to predict the weight of a...

Many people do not attempt to decrease unhealthy behaviors such as overeating or smoking because they lack the confidence that they can successfully change. This is an example of: (A) Perceived susceptibility (B) Perceived severity (C) Perceived self-efficacy (D) Perceived response efficacy - co...