# Situation: The Rural Health Unit (RHU) is planning community screening programs, and the nurse helps evaluate the screening tests. In what order should the team carry out these diabetes screening activities? 1. Refer all adults with positive results for confirmatory testing 2. Train the barangay health workers (BHWs) and check that their readings agree 3. Screen the adults and record the results in their records 4. Explain that a positive screen is not a diagnosis and obtain consent

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=627310  
> language: ko  
> subject: Nursing Practice I — Community Health Nursing

## 문제

Situation: The Rural Health Unit (RHU) is planning community screening programs, and the nurse helps evaluate the screening tests.

In what order should the team carry out these diabetes screening activities?
1. Refer all adults with positive results for confirmatory testing
2. Train the barangay health workers (BHWs) and check that their readings agree
3. Screen the adults and record the results in their records
4. Explain that a positive screen is not a diagnosis and obtain consent

## 보기

1. 2, 4, 3, 1 **✔ 정답**
2. 4, 2, 3, 1
3. 2, 3, 4, 1
4. 4, 3, 2, 1

**정답: 1**

## 해설

Staff are trained and their agreement checked before the activity, so that the readings are reliable. On the day, each adult is informed that a positive screen is not a diagnosis and gives consent before being tested. Results are then recorded, and all positives are referred for confirmation and tracked.

## 심화 해설

Sequencing the Screening Workflow

Community screening is a stepwise process, and the order matters because each step protects the validity of the next. The correct sequence is train and standardize the workforce first, then obtain informed consent, then perform the screening and record results, and finally refer positives for confirmatory testing. This order reflects the principle that a screening program is only as trustworthy as the people performing it and the consent that authorizes it.

Training and inter-rater agreement must come before any participant is approached. If barangay health workers (BHWs) are not standardized before the screening day, their readings cannot be compared across participants or across time. In the community health worker model described in the feasibility study, master trainer nurses prepared CHWs before they conducted population-based screening, and the quality of that training directly influenced whether the program could be implemented at all [1]. Checking agreement means having BHWs measure the same person or sample and confirming their results match within an acceptable range. Without this step, a positive or negative result may reflect the screener’s technique rather than the participant’s true glucose status.

Once the team is reliable, the next step is informed consent and explanation of what a positive screen means. A positive capillary glucose or risk-score result is not a diagnosis of diabetes. Participants must understand this distinction before they agree to be tested, because it shapes how they will interpret the result and whether they will return for confirmatory testing. Obtaining consent after training but before testing is ethically necessary; testing someone without explaining the meaning of the result would undermine trust and follow-up.

Only after consent is obtained does the actual screening and recording occur. Results are entered into each adult’s record so that positives can be tracked. Recording at the point of screening, rather than later, reduces the risk of lost or mismatched results.

Finally, all positive screens are referred for confirmatory testing. A screening test is designed to be sensitive, not diagnostic. The confirmatory step separates true positives from false positives. The community health worker study highlights that CHWs can effectively conduct screening, but the program’s success depends on a clear pathway for follow-up after a positive screen [1]. Referral is the last step because it can only happen after a valid, consented, and recorded result exists.

| Step | Activity | Why This Order |
| --- | --- | --- |
| 1 | Train BHWs and check agreement | Ensures readings are reliable before any participant is tested |
| 2 | Explain positive screen is not diagnosis and obtain consent | Protects autonomy and sets correct expectations before testing |
| 3 | Screen adults and record results | Produces the data that will guide referral decisions |
| 4 | Refer positives for confirmatory testing | Only meaningful after a valid, consented, recorded result exists |

Watch out! A common error is placing consent before training. Training does not involve participants, so consent is not yet relevant. Another error is placing referral before recording; you cannot reliably refer anyone if the positive result has not been documented. Key point! The sequence follows a logical chain: reliable measurement → informed participant → valid result → appropriate follow-up. Each step depends on the one before it, which is why the order is fixed rather than interchangeable.References (research sources)

- [1]Barriers and facilitators in implementing population based common cancer screening through community health workers.Research articleKedar A, John A, Goala S, Babu R, Tapkire R, Kannan R (2021) · DOI: 10.3332/ecancer.2021.1277

## 임상 시나리오

Community Diabetes Screening WorkflowSequence steps to protect validity and consent
First, train and standardize BHWs and check inter-rater agreement before any participant contact. Reliable readings are the foundation of the entire program.

Second, obtain informed consent. Explain that a positive screen is not a diagnosis of diabetes before testing begins.

Third, perform the screening and record results in participant records. Fourth, refer all positives for confirmatory testing and track follow-up.

CautionNever screen before consent is obtained, and never skip standardization. A result from an untrained screener may reflect technique, not the participant's true glucose status.

## 핵심 개념

- **inter-rater agreement** — Degree to which different screeners obtain consistent readings on the same participant or sample
- **informed consent** — Process of explaining that a positive screen is not a diagnosis and obtaining voluntary agreement before testing
- **confirmatory testing** — Definitive diagnostic test performed after a positive screening result
- **barangay health workers** — Community health workers trained to conduct population-based screening
- **standardization** — Training and checking screeners so their measurements are reliable and comparable

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