CPH Practice Exam 1 UPDATED
Questions and CORRECT Answers
A county public health department has prepared the annual operating budget for its childhood
vaccination program. It forecasts that 90,000 children will be vaccinated, requiring a total of
48,000 hours of nursing labor at an average cost of $25 per hour and 100,000 doses of
vaccination at an average cost of $1.50 per dose. Fixed costs of the vaccination program, such as
administration and overhead, are estimated at $50,000. Which of the following calculations is
most appropriate to obtain the forecast vaccination expense per child?
A. (48,000 × $1.50) / 90,000
B. (90,000 × $1.50) / 48,000
C. (100,000 × $1.50) / 48,000
D. (100,000 × $1.50) / 90,000 - CORRECT ANSWER - D. (100,000 × $1.50) / 90,000
A study is conducted to compare colorectal screening rates in white and African-American men.
Researchers contact 50 white men and 50 African-American men older than 50 years of age by
telephone and ask them if they have undergone colorectal screening. Fifty-five percent of white
men and 49% of African-American men report undergoing appropriate screening. Which of the
following tests is the most appropriate method of analysis of the survey data?
A. paired t-test
B. Pearson chi-square (X2) test
C. two-sample t-test
D. Spearman correlation test - CORRECT ANSWER - B. Pearson chi-square (X2) test
Which of the following terms best describes the power of a local jurisdiction to independently
regulate public health, safety, and welfare?
A. unionism
B. home rule
,C. preemption
D. self-administration - CORRECT ANSWER - B. home rule
Which of the following terms refers to the systematic method by which environmental exposure
to a substance is quantified using information about the hazardous properties of the substance,
human exposure to the substance, dose-response relationships, and risk characterization?
A. risk management
B. risk assessment
C. risk communication
D. risk control - CORRECT ANSWER - B. risk assessment
A local health department establishes a program with community outreach and clinical
components that is intended to reduce the number of drug-resistant tuberculosis cases. A measure
of the program's outcomes is the number of
A. clinical visits for drug-resistant tuberculosis.
B. community education sessions.
C. drug-resistant tuberculosis cases.
D. patients receiving follow-up care for drug-resistant tuberculosis. - CORRECT
ANSWER - C. drug-resistant tuberculosis cases.
A group uses problem solving to reconcile underlying differences and create a win-win situation
for the mutual benefit of all parties. This approach exemplifies which of the following styles of
conflict management?
A. accommodating
B. avoiding
C. collaborating
D. compromising - CORRECT ANSWER - C. collaborating
, According to the transtheoretical model of change, as individuals go from pre-contemplation to
maintenance, "con" behavioral beliefs decrease and "pro" behavioral beliefs increase. This
process is best described as which of the following?
A. decisional balance
B. self-liberation
C. reinforcement management
D. self-efficacy - CORRECT ANSWER - A. decisional balance
When a public health issue emerges for which there is no "evidence base" to suggest a response
strategy, which of the following actions on the part of a public health professional is most
appropriate?
A. Defer action on the issue until further information about the appropriate intervention is
available.
B. Dismiss the issue because there is insufficient evidence to make an informed decision.
C. Implement several different strategies at once to assess which is most effective.
D. Invest in data collection and community-based research to build a more thorough
understanding of the issue. - CORRECT ANSWER - D. Invest in data collection and
community-based research to build a more thorough understanding of the issue.
A study of national patterns of smoking prevalence finds that the prevalence of women smokers
is higher in countries with higher national income per capita, but lower in countries experiencing
rapid economic growth. Among men, the prevalence of smoking is lower in countries with higher
national per capita income, but higher in countries experiencing rapid economic growth. This
finding is an example of which of the following phenomena?
A. bias
B. confounding
C. interaction
D. error - CORRECT ANSWER - C. interaction
Questions and CORRECT Answers
A county public health department has prepared the annual operating budget for its childhood
vaccination program. It forecasts that 90,000 children will be vaccinated, requiring a total of
48,000 hours of nursing labor at an average cost of $25 per hour and 100,000 doses of
vaccination at an average cost of $1.50 per dose. Fixed costs of the vaccination program, such as
administration and overhead, are estimated at $50,000. Which of the following calculations is
most appropriate to obtain the forecast vaccination expense per child?
A. (48,000 × $1.50) / 90,000
B. (90,000 × $1.50) / 48,000
C. (100,000 × $1.50) / 48,000
D. (100,000 × $1.50) / 90,000 - CORRECT ANSWER - D. (100,000 × $1.50) / 90,000
A study is conducted to compare colorectal screening rates in white and African-American men.
Researchers contact 50 white men and 50 African-American men older than 50 years of age by
telephone and ask them if they have undergone colorectal screening. Fifty-five percent of white
men and 49% of African-American men report undergoing appropriate screening. Which of the
following tests is the most appropriate method of analysis of the survey data?
A. paired t-test
B. Pearson chi-square (X2) test
C. two-sample t-test
D. Spearman correlation test - CORRECT ANSWER - B. Pearson chi-square (X2) test
Which of the following terms best describes the power of a local jurisdiction to independently
regulate public health, safety, and welfare?
A. unionism
B. home rule
,C. preemption
D. self-administration - CORRECT ANSWER - B. home rule
Which of the following terms refers to the systematic method by which environmental exposure
to a substance is quantified using information about the hazardous properties of the substance,
human exposure to the substance, dose-response relationships, and risk characterization?
A. risk management
B. risk assessment
C. risk communication
D. risk control - CORRECT ANSWER - B. risk assessment
A local health department establishes a program with community outreach and clinical
components that is intended to reduce the number of drug-resistant tuberculosis cases. A measure
of the program's outcomes is the number of
A. clinical visits for drug-resistant tuberculosis.
B. community education sessions.
C. drug-resistant tuberculosis cases.
D. patients receiving follow-up care for drug-resistant tuberculosis. - CORRECT
ANSWER - C. drug-resistant tuberculosis cases.
A group uses problem solving to reconcile underlying differences and create a win-win situation
for the mutual benefit of all parties. This approach exemplifies which of the following styles of
conflict management?
A. accommodating
B. avoiding
C. collaborating
D. compromising - CORRECT ANSWER - C. collaborating
, According to the transtheoretical model of change, as individuals go from pre-contemplation to
maintenance, "con" behavioral beliefs decrease and "pro" behavioral beliefs increase. This
process is best described as which of the following?
A. decisional balance
B. self-liberation
C. reinforcement management
D. self-efficacy - CORRECT ANSWER - A. decisional balance
When a public health issue emerges for which there is no "evidence base" to suggest a response
strategy, which of the following actions on the part of a public health professional is most
appropriate?
A. Defer action on the issue until further information about the appropriate intervention is
available.
B. Dismiss the issue because there is insufficient evidence to make an informed decision.
C. Implement several different strategies at once to assess which is most effective.
D. Invest in data collection and community-based research to build a more thorough
understanding of the issue. - CORRECT ANSWER - D. Invest in data collection and
community-based research to build a more thorough understanding of the issue.
A study of national patterns of smoking prevalence finds that the prevalence of women smokers
is higher in countries with higher national income per capita, but lower in countries experiencing
rapid economic growth. Among men, the prevalence of smoking is lower in countries with higher
national per capita income, but higher in countries experiencing rapid economic growth. This
finding is an example of which of the following phenomena?
A. bias
B. confounding
C. interaction
D. error - CORRECT ANSWER - C. interaction
