Applied Sciences

Question 18

2 out of 2 points

In the food chain, which of the following is a (are) producer(s)?

· Question 19

2 out of 2 points

Lyme disease is a newly recognized ailment transmitted by the bite of which of these pests?

· Question 20

2 out of 2 points

Cigarette smoking is the most common cause of lung cancer. The second leading cause of lung cancer is:

· Question 21

2 out of 2 points

An investigator wants to assess whether smoking is a risk factor for bladder cancer. Electronic medical records at a city hospital will be used to identify one hundred patients with pancreatic cancer. Two hundred patients who are similar but free of bladder cancer will also be selected. Each participant’s medical record will be analyzed for smoking history.  Which of the following is not true about this study?

· Question 22

0 out of 2 points

In women with deep venous thrombosis (DVT), a case-control study was conducted to test the association between DVT and past exposure to oral contraceptive (OC) use. Based on the data below, what is the unadjusted odds of exposure to OC use among the cases of women with DVT compared to that among the controls without DVT? Oral Contraceptive Use                      Cases of DVT             Controls Yes                                                   67                                               23 No                                                  108                                           152                Total                                           175                                      175

· Question 23

0 out of 2 points

In the following table, which value represents “false positives” in a screening test for diabetes?

  Condition According to Gold Standard (True Diagnosis)
Screening Test Result Positive Negative Total
Positive 240 25 265
Negative 15 220 235
Total 255 245 500

· Question 24

2 out of 2 points

An outbreak due to exposure of a group of persons to the same harmful influence common to the individuals in the group is known as:

· Question 25

0 out of 2 points

Which screening measure best represents the following statement? Eighty percent of those with diabetes had a positive screening test.

· Question 26

2 out of 2 points

Based on the following data, what is the most likely infective food that caused illness?

  People Who Ate Food People Who Did Not Eat
Food Sick Well Sick Well
Herring 200 800 100 900
Oysters 300 700 400 600
Spinach 200 800 500 500
Chicken 650 350 100 900

· Question 27

0 out of 2 points

A new screening test for Lyme disease is developed for use in the general population. The sensitivity and specificity of the new test are 65% and 75%, respectively. Four hundred people are screened at a clinic during the first year the new test is implemented. Assume the true prevalence of Lyme disease among clinic attendees is 15%. Calculate the predictive value of a negative test.

· Question 28

0 out of 2 points

In a case-control study of osteoporosis, 150 women were enrolled as cases and an equal number as controls. Among the cases 50 reported low calcium intake, while only 20 of the controls reported low calcium intake. Calculate the odds ratio in the association between low calcium intake and developing osteoporosis in this population.

· Question 29

2 out of 2 points

The capacity of an agent to enter and multiply in a susceptible host and thus produce infection or disease is:

· Question 30

0 out of 2 points

Which of the following measures of disease burden is determined from a screening test?

· Question 31

2 out of 2 points

The Healthy People initiative was introduced in 1979 as a/an:

· Question 32

0 out of 2 points

Which of the following national public health interventions for the primary prevention of tobacco use is likely to have the greatest effect?

· Question 33

2 out of 2 points

The CDC administers a range of programs designed to prevent and control disease, injury, and disability risks on a national level. Which of the following activities does it not typically do?

· Question 34

2 out of 2 points

Your community health coalition is applying for a grant to address social determinants of health in your neighborhood. Which of the following would not be appropriate to include in the application because it is not an example of a social determinant of health?

· Question 35

0 out of 2 points

Given the responsibility to create an effective public health intervention on a limited budget, you start by exploring evidence-based approaches to address your area of interest. Which of the following published sources provides the best, most trustworthy evidence?

· Question 36

0 out of 2 points

You are an MPH student intern in a local church. Part of your assigned tasks is to research the possibility of getting a grant to fund a new Head Start preschool program in the church. You find out the following:

· Question 37

2 out of 2 points

Mobilizing community partnerships to identify and solve health problems is:

· Question 38

0 out of 2 points

Public health infrastructure can be measured in part by:

· Question 39

0 out of 2 points

The FDA functions as the nation’s largest consumer protection agency. Among its activities, it investigates and regulates the efficacy and safety of:

· Question 40

2 out of 2 points

Geographical Information System (GIS) mapping has become an indispensable tool in public health needs assessment and intervention evaluation. It typically analyzes and integrates all of the following types of data into a digital display except:

· Question 41

0 out of 2 points

To be a culturally competent public health professional with a diverse priority population, you must:

· Question 42

2 out of 2 points

An investigator is interested in a behavioral intervention that will increase self-efficacy in participants. In which of the following conditions will self-efficacy be an effective intervention tool in reducing risky behavior and maintaining healthful behavior?

· Question 43

2 out of 2 points

“Upstream” public health interventions are typically more effective than “downstream” ones in mitigating a health problem. All but one of the following are examples of “upstream” public health approaches. Which one is it?

· Question 44

0 out of 2 points

Which aspect of health is not clearly identified in the World Health Organization’s definition of health?

· Question 45

0 out of 2 points

Which one of the following is associated with the PROCEED stage of the PRECEDE-PROCEED Model?

· Question 46

0 out of 2 points

You wish to test the validity of a questionnaire you designed for use with HIV patients attending a self-care educational program. The simplest and most common way to do this is by:

· Question 47

2 out of 2 points

You are planning a weight control program in your church. You have assessed the need and interest; you have identified program goals and outcomes; you have selected resources and materials; all you have left to do is plan the evaluation. You choose several measures of process evaluation, some of which are listed below. Which one of the following would not be a measure of process evaluation for the program?

· Question 48

0 out of 2 points

Which statement and its example is not true about self-efficacy as it relates to behavior change?

· Question 49

0 out of 2 points

Which part of a SMART objective is missing from the following learner outcome statement? Use the ABCDE model to guide your response. “By the end of the class on behavioral theory, students will accurately recall the stages of change in proper order, measured by a quiz.”

· Question 50

0 out of 2 points

You are providing prenatal counseling to a first time pregnant woman who continues to smoke a few cigarettes a day even after completing a stop smoking program. She explains that her mother smoked during all of her pregnancies and she and her siblings turned out fine. Which of the following constructs should be the initial focus of your attention to help motivate mental processing leading to her totally quitting smoking?

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