WGU D402
Objective Assessment 2026/2027 | Community and Public
Health Guide | Practice Questions, Answers & Detailed
Rationales
Resource Features
➢ WGU D402 practice questions
➢ Objective Assessment-focused review
➢ Detailed answers and rationales
➢ Community-health scenarios
➢ Population-health questions
, WGU D402 Objective Assessment 2026/2027 |
Community and Public Health Guide | Practice
Questions, Answers & Detailed Rationales
1. What were the original goals of community and public
health?
A. Treat chronic diseases and provide mental health services
B. Stop the spread of disease and improve sanitation
C. Provide universal healthcare coverage
D. Conduct medical research and develop new drugs
Answer: B. Stop the spread of disease and improve sanitation
Rationale: The original goals of community and public health
focused on stopping disease spread and improving sanitation.
Over time, these goals expanded to include prevention,
education, and helping populations live healthier lives. Early
public health efforts were primarily concerned with controlling
infectious diseases through sanitation measures.
,2. How did historical events shape modern public health
goals?
A. They had no significant impact on public health
B. They led to abandoning prevention in favor of treatment
C. Discoveries like germs, vaccines, and improved sanitation led to
preventing illness, using research to guide care, and promoting
health equity
D. They only affected urban public health
Answer: C. Discoveries like germs, vaccines, and improved
sanitation led to preventing illness, using research to guide
care, and promoting health equity
Rationale: Historical discoveries and events fundamentally
shaped modern public health. The Germ Theory, vaccine
development, and sanitation improvements shifted the focus from
simply treating disease to preventing illness. These advances also
established the importance of research-based practice and health
equity.
3. Germ Theory of Disease:
, A. All diseases are caused by poor nutrition
B. Germs cause disease by spreading between people or
contaminated things
C. Diseases are caused by supernatural forces
D. All diseases are inherited genetically
Answer: B. Germs cause disease by spreading between people
or contaminated things
Rationale: The Germ Theory of Disease established that
microorganisms (germs) cause disease and can be transmitted
between people or through contaminated objects. This was a
revolutionary concept that transformed public health practice and
led to infection control measures.
4. Pasteurization:
A. A method of storing food in salt
B. Heating food to kill bacteria while keeping nutrients
C. A type of vaccine
D. A surgical sterilization technique
Objective Assessment 2026/2027 | Community and Public
Health Guide | Practice Questions, Answers & Detailed
Rationales
Resource Features
➢ WGU D402 practice questions
➢ Objective Assessment-focused review
➢ Detailed answers and rationales
➢ Community-health scenarios
➢ Population-health questions
, WGU D402 Objective Assessment 2026/2027 |
Community and Public Health Guide | Practice
Questions, Answers & Detailed Rationales
1. What were the original goals of community and public
health?
A. Treat chronic diseases and provide mental health services
B. Stop the spread of disease and improve sanitation
C. Provide universal healthcare coverage
D. Conduct medical research and develop new drugs
Answer: B. Stop the spread of disease and improve sanitation
Rationale: The original goals of community and public health
focused on stopping disease spread and improving sanitation.
Over time, these goals expanded to include prevention,
education, and helping populations live healthier lives. Early
public health efforts were primarily concerned with controlling
infectious diseases through sanitation measures.
,2. How did historical events shape modern public health
goals?
A. They had no significant impact on public health
B. They led to abandoning prevention in favor of treatment
C. Discoveries like germs, vaccines, and improved sanitation led to
preventing illness, using research to guide care, and promoting
health equity
D. They only affected urban public health
Answer: C. Discoveries like germs, vaccines, and improved
sanitation led to preventing illness, using research to guide
care, and promoting health equity
Rationale: Historical discoveries and events fundamentally
shaped modern public health. The Germ Theory, vaccine
development, and sanitation improvements shifted the focus from
simply treating disease to preventing illness. These advances also
established the importance of research-based practice and health
equity.
3. Germ Theory of Disease:
, A. All diseases are caused by poor nutrition
B. Germs cause disease by spreading between people or
contaminated things
C. Diseases are caused by supernatural forces
D. All diseases are inherited genetically
Answer: B. Germs cause disease by spreading between people
or contaminated things
Rationale: The Germ Theory of Disease established that
microorganisms (germs) cause disease and can be transmitted
between people or through contaminated objects. This was a
revolutionary concept that transformed public health practice and
led to infection control measures.
4. Pasteurization:
A. A method of storing food in salt
B. Heating food to kill bacteria while keeping nutrients
C. A type of vaccine
D. A surgical sterilization technique
