Which of the following is not a criteria of screening test?
**Core Concept**
A screening test is a preliminary assessment used to identify individuals who may have a specific disease or condition, and it should have certain characteristics to be effective. The criteria for a screening test include **high sensitivity**, **acceptable specificity**, and **feasibility**.
**Why the Correct Answer is Right**
Since the correct answer is not provided, let's discuss the general criteria. A good screening test should have high sensitivity to detect most cases of the disease, acceptable specificity to minimize false positives, and be feasible in terms of cost, ease of use, and acceptability to the population.
**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific option text, we can't directly address why it's incorrect, but typically, options might include characteristics like "high cost" or "invasive procedure," which would not be desirable in a screening test.
**Option B:** Similarly, without specifics, we might consider that options like "low specificity" would be incorrect because a screening test should aim to minimize false positives.
**Option C:** An option suggesting a test that is not "widely available" might be incorrect because a screening test should be feasible and accessible.
**Option D:** This could potentially be the correct answer if it suggests a criterion that is not necessary or desirable for a screening test.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that screening tests are not diagnostic; they are used to identify individuals who require further evaluation. **Sensitivity** is crucial to ensure that most actual cases are caught, but **specificity** is also important to avoid unnecessary further testing and anxiety.
**Correct Answer:** Not provided in the query.