CMN 571 – Unit 1 Test Questions and Answers|
Pass Guaranteed| 2027 Updated
CMN 571 Unit 1 Test – Verified Practice Questions & Answers (2026/2027
Update)
Course: CMN 571 – Health Promotion/Disease Prevention & Issues for Family
Nursing (University of South Alabama)
SECTION 1: TYPES OF IMMUNITY
1. A child contracts chickenpox and develops lifelong immunity. What type of
immunity does this represent?
A. Passive natural immunity
B. Active natural immunity
C. Active artificial immunity
D. Passive artificial immunity
Correct Answer: B. Active natural immunity. Rationale: Active immunity is
resistance developed in response to infection with an agent, resulting in antibody
production. It is usually permanent. Naturally acquired active immunity occurs
through exposure and infection with the disease.
2. A patient receives hepatitis B immune globulin (HBIG) after exposure. This
provides which type of immunity?
A. Active natural immunity
B. Active artificial immunity
, C. Passive natural immunity
D. Passive artificial immunity
Correct Answer: D. Passive artificial immunity. Rationale: Passive immunity
occurs when a person is given antibodies rather than producing them. Artificially
acquired passive immunity is through injection of antibodies such as gamma
globulin. Onset is within 24 hours, and duration is about 4-6 months.
3. Which of the following provides passive immunity?
A. Hepatitis B immune globulin (HBIG)
B. MMR vaccine
C. Pneumococcal conjugate vaccine
D. Live attenuated influenza vaccine (LAIV)
Correct Answer: A. Hepatitis B immune globulin (HBIG). Rationale: HBIG provides
passive immunity through injection of antibodies. The other options are vaccines
that provide active immunity.
4. What is herd immunity?
A. Immunity developed after recovering from an illness
B. When a significant portion of the population is vaccinated, providing protection
for those who are not immune
C. Immunity passed from mother to fetus
D. Immunity from gamma globulin injection
Correct Answer: B. When a significant portion of the population is vaccinated,
providing protection for those who are not immune. Rationale: Herd immunity
occurs when a significant portion of the population is vaccinated, providing a
portion of immunity for those who have not developed immunity. Generally, 90-
95% of the population should be vaccinated to have effective herd immunity.
Pass Guaranteed| 2027 Updated
CMN 571 Unit 1 Test – Verified Practice Questions & Answers (2026/2027
Update)
Course: CMN 571 – Health Promotion/Disease Prevention & Issues for Family
Nursing (University of South Alabama)
SECTION 1: TYPES OF IMMUNITY
1. A child contracts chickenpox and develops lifelong immunity. What type of
immunity does this represent?
A. Passive natural immunity
B. Active natural immunity
C. Active artificial immunity
D. Passive artificial immunity
Correct Answer: B. Active natural immunity. Rationale: Active immunity is
resistance developed in response to infection with an agent, resulting in antibody
production. It is usually permanent. Naturally acquired active immunity occurs
through exposure and infection with the disease.
2. A patient receives hepatitis B immune globulin (HBIG) after exposure. This
provides which type of immunity?
A. Active natural immunity
B. Active artificial immunity
, C. Passive natural immunity
D. Passive artificial immunity
Correct Answer: D. Passive artificial immunity. Rationale: Passive immunity
occurs when a person is given antibodies rather than producing them. Artificially
acquired passive immunity is through injection of antibodies such as gamma
globulin. Onset is within 24 hours, and duration is about 4-6 months.
3. Which of the following provides passive immunity?
A. Hepatitis B immune globulin (HBIG)
B. MMR vaccine
C. Pneumococcal conjugate vaccine
D. Live attenuated influenza vaccine (LAIV)
Correct Answer: A. Hepatitis B immune globulin (HBIG). Rationale: HBIG provides
passive immunity through injection of antibodies. The other options are vaccines
that provide active immunity.
4. What is herd immunity?
A. Immunity developed after recovering from an illness
B. When a significant portion of the population is vaccinated, providing protection
for those who are not immune
C. Immunity passed from mother to fetus
D. Immunity from gamma globulin injection
Correct Answer: B. When a significant portion of the population is vaccinated,
providing protection for those who are not immune. Rationale: Herd immunity
occurs when a significant portion of the population is vaccinated, providing a
portion of immunity for those who have not developed immunity. Generally, 90-
95% of the population should be vaccinated to have effective herd immunity.
