Chapter 1 Practice Questions

Which of the following would most commonly initiate a case investigation by a DI professional?

a. A morbidity report

b. A positive laboratory result

c. A person who might have been

b. A positive laboratory result

Rationale: A new investigation typically begins when a laboratory confirms a positive result for a reportable disease. Morbidity reports or suspected exposures may raise awareness, but a confirmed lab result is the standard trigger for an official case investigation.

Which of the following should be prioritized for field visits?

a. Nearest geographic location

b. People living in community homes

c. People at the highest risk of infection

c. People at the highest risk of infection

Rationale: Field visits should be prioritized based on public health risk. While geographic proximity and living arrangements may factor in, those at highest risk of infection or further transmission take priority to reduce disease spread.

Which of the following should a DI professional do after the field visit ends?

a. Document the visit

b. Map out the exit route

c. Schedule meetings in the morning

a. Document the visit

Rationale: Accurate and timely documentation is critical for case management, continuity of care, and public health records. Mapping routes or scheduling meetings may be part of logistics but are not essential DI tasks.

What is one main concern for utilizing internet partner services?

a. Internet notification requires more resources than traditional notification.

b. Partners have limited access to the internet messaging apps.

c. Malicious notification of partners is possible.

c. Malicious notification of partners is possible.

Rationale: Internet-based notifications can be misused if someone falsely reports another person as an exposure. While resource use and app access may pose barriers, malicious reporting is a unique risk with this method.

Why is prompt linkage to care a critical step for individuals diagnosed with or exposed to an infectious disease?

a. It primarily focuses on reducing health care system costs.

b. It allows individuals to explore clinical services on their own.

c. It ensures timely access to necessary medical care.

c. It ensures timely access to necessary medical care.

Rationale: The primary goal of linkage to care is to connect patients with treatment and prevention services as quickly as possible, limiting complications and further transmission.

Why is cluster interviewing important as a disease intervention strategy?

a. It helps identify people outside of the sexual and drug-sharing network who were exposed to the disease of interest, to prevent ongoing rapid transmission.

b. It benefits the treatment of index cases by increasing access to treatment medication.

c. It assists in community resource mapping to expand sexual networks.

a. It helps identify people outside of the sexual and drug-sharing network who were exposed to the disease of interest, to prevent ongoing rapid transmission.

Rationale: Cluster interviewing expands the scope of an investigation by identifying additional contacts and potential exposures beyond direct partners, helping to interrupt chains of transmission.

During which stage of a case investigation would a DI professional calculate the interview period if they were assigned a case from a designated clinic?

a. Original interview

b. Pre-interview analysis

c. Re-interview

b. Pre-interview analysis

Rationale: The interview period, the timeframe during which transmission may have occurred, is calculated during pre-interview analysis so the DI professional is prepared with accurate information before speaking with the case.