Community Medicine Assessment

20 learning units • 10 questions per unit • 200 explained questions

Module 06 — Surveillance & Outbreak Investigation

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Question 01 • Single best answer

Health staff telephone facilities to actively find cases. Which surveillance approach is this?

A. Passive reporting only B. Active surveillance C. Randomized treatment D. Ecological sampling only

Question 02 • Single best answer

Why use a standardized outbreak case definition?

A. To make case identification comparable B. To replace all individual clinical judgment C. To prove the source automatically D. To guarantee perfect specificity in every phase

Question 03 • Single best answer

What belongs on the horizontal axis of a conventional epidemic curve?

A. Alphabetical patient names B. Hospital building height C. Drug purchase cost D. Time of symptom onset

Question 04 • Single best answer

Thirty of 60 exposed attendees and 10 of 100 unexposed attendees become ill. What is the risk ratio?

A. 3 B. 0.2 C. 50 D. 5

Question 05 • Single best answer

Which outbreak action may need to start before full laboratory confirmation?

A. Public release of patient names B. Destruction of all records C. Proportionate control of a credible hazard D. Automatic declaration of a proven source

Question 06 • Single best answer

What is a limitation of sentinel surveillance?

A. It can never detect a trend B. It must include every household C. It cannot collect laboratory information D. Selected sites may not represent the whole population

Question 07 • Single best answer

A case count rises after new clinics start reporting. What should be considered?

A. Proven epidemic growth only B. Improved ascertainment as well as true incidence change C. Guaranteed data fraud D. Immediate worldwide eradication

Question 08 • Single best answer

Which feature most directly concerns rapid detection and response?

A. Font size B. Timeliness C. Record color D. Alphabetical ordering

Question 09 • Single best answer

Why remove duplicate records from a line list?

A. To avoid counting the same case more than once B. To hide severe disease C. To erase uncertainty D. To increase the attack proportion

Question 10 • Single best answer

Which communication is most appropriate during an evolving outbreak?

A. Clear actions with known facts and uncertainties B. Unsupported certainty about every detail C. Identifiable case lists on public posters D. Silence until every question is resolved

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