CERTIFIED IN DISEASE INTERVENTION (CDI) EXAM
PREP UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
Question:
1. Active Listening
Answer:
Concentrating, understanding, responding, and remembering using verbal and nonverbal cues like
paraphrasing and nodding.
Question:
2. Active Surveillance
Answer:
Surveillance where public health staff actively contact providers, labs, or facilities to seek case
information.
Question:
3. Passive Surveillance
Answer:
Surveillance relying on health care providers and laboratories to report cases to public health authorities.
Question:
4. After-Action Report (AAR)
Answer:
A feedback tool summarizing events during an incident, analyzing actions, and identifying areas for
improvement.
Question:
5. Associate
Answer:
A non-infected person connected to a case or contact through a shared social/risk network.
Question:
6. Body Substance Isolation
Answer:
Infection control assuming all body fluids are infectious, requiring protective barriers like gloves and
masks.
Question:
7. Case Investigation
Answer:
Helping a diagnosed person recall close contacts during their infectious period.
Question:
8. Case Management
,Answer:
Coordinating, planning, implementing, and monitoring services to treat infectious disease and prevent
transmission.
Question:
9. Cluster Interview
Answer:
Interviewing a diagnosed/exposed person to identify others in their social or risk network.
Question:
10. Contract Referral
Answer:
Strategy where the patient notifies contacts; if they fail to do so, public health staff step in.
Question:
11. Directly Observed Therapy (DOT)
Answer:
A professional watching a patient take medication to ensure adherence and successful treatment.
Question:
12. Dual Referral
Answer:
A partner notification method where the patient and public health staff work together to notify contacts.
Question:
13. Endemic
Answer:
The constant, baseline amount of a specific disease usually present in a geographic location.
Question:
14. Expedited Partner Therapy (EPT)
Answer:
Providing prescriptions/meds to a diagnosed patient to give to their partners without clinical examination.
Question:
15. Field Delivered Therapy (FDT)
Answer:
Providing medication to a diagnosed/exposed person in the field to initiate prompt treatment.
Question:
16. Health Alert Network (HAN)
Answer:
CDC's nationwide system ensuring rapid distribution of public health information to departments and
hospitals.
Question:
17. Incident Command System (ICS)
, Answer:
A standardized approach to incident management used across all levels of government and organizations.
Question:
18. Incubation Period
Answer:
The time interval between exposure to an infectious agent and the onset of symptoms.
Question:
19. Index Case
Answer:
The first documented case of a disease in an outbreak that comes to official attention.
Question:
20. Incidence Rate
Answer:
The number of new cases occurring in a specified population during a defined timeframe.
Question:
21. Infectious Period
Answer:
The timeframe when an infected person is able to pass the infection to others.
Question:
22. Internet Partner Services (IPS)
Answer:
Delivering partner services using digital technologies, social media, email, apps, and texting.
Question:
23. Harm Reduction
Answer:
Practical strategies aimed at reducing negative consequences of behaviors without requiring their
cessation.
Question:
24. Health Literacy
Answer:
The ability to find, understand, and use information to inform health-related decisions.
Question:
25. Health Numeracy
Answer:
The ability to understand and use numerical health information like risk probabilities and dosages.
Question:
26. Action
PREP UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
Question:
1. Active Listening
Answer:
Concentrating, understanding, responding, and remembering using verbal and nonverbal cues like
paraphrasing and nodding.
Question:
2. Active Surveillance
Answer:
Surveillance where public health staff actively contact providers, labs, or facilities to seek case
information.
Question:
3. Passive Surveillance
Answer:
Surveillance relying on health care providers and laboratories to report cases to public health authorities.
Question:
4. After-Action Report (AAR)
Answer:
A feedback tool summarizing events during an incident, analyzing actions, and identifying areas for
improvement.
Question:
5. Associate
Answer:
A non-infected person connected to a case or contact through a shared social/risk network.
Question:
6. Body Substance Isolation
Answer:
Infection control assuming all body fluids are infectious, requiring protective barriers like gloves and
masks.
Question:
7. Case Investigation
Answer:
Helping a diagnosed person recall close contacts during their infectious period.
Question:
8. Case Management
,Answer:
Coordinating, planning, implementing, and monitoring services to treat infectious disease and prevent
transmission.
Question:
9. Cluster Interview
Answer:
Interviewing a diagnosed/exposed person to identify others in their social or risk network.
Question:
10. Contract Referral
Answer:
Strategy where the patient notifies contacts; if they fail to do so, public health staff step in.
Question:
11. Directly Observed Therapy (DOT)
Answer:
A professional watching a patient take medication to ensure adherence and successful treatment.
Question:
12. Dual Referral
Answer:
A partner notification method where the patient and public health staff work together to notify contacts.
Question:
13. Endemic
Answer:
The constant, baseline amount of a specific disease usually present in a geographic location.
Question:
14. Expedited Partner Therapy (EPT)
Answer:
Providing prescriptions/meds to a diagnosed patient to give to their partners without clinical examination.
Question:
15. Field Delivered Therapy (FDT)
Answer:
Providing medication to a diagnosed/exposed person in the field to initiate prompt treatment.
Question:
16. Health Alert Network (HAN)
Answer:
CDC's nationwide system ensuring rapid distribution of public health information to departments and
hospitals.
Question:
17. Incident Command System (ICS)
, Answer:
A standardized approach to incident management used across all levels of government and organizations.
Question:
18. Incubation Period
Answer:
The time interval between exposure to an infectious agent and the onset of symptoms.
Question:
19. Index Case
Answer:
The first documented case of a disease in an outbreak that comes to official attention.
Question:
20. Incidence Rate
Answer:
The number of new cases occurring in a specified population during a defined timeframe.
Question:
21. Infectious Period
Answer:
The timeframe when an infected person is able to pass the infection to others.
Question:
22. Internet Partner Services (IPS)
Answer:
Delivering partner services using digital technologies, social media, email, apps, and texting.
Question:
23. Harm Reduction
Answer:
Practical strategies aimed at reducing negative consequences of behaviors without requiring their
cessation.
Question:
24. Health Literacy
Answer:
The ability to find, understand, and use information to inform health-related decisions.
Question:
25. Health Numeracy
Answer:
The ability to understand and use numerical health information like risk probabilities and dosages.
Question:
26. Action