A New Assay Is Used to Test 120 Samples from Patients

question 14

Multiple Choice

A new assay is used to test 120 samples from patients with a clinically confirmed diagnosis of the relevant infection and 50 samples from healthy control subjects.The test results were positive for 90 of the infected patients and positive for 10 of the healthy controls.
-If the assay was used to test a different population consisting of 240 infected patients and 50 healthy controls,which assay parameter would increase?

• A)Sensitivity
• B)Specificity
• C)Positive predictive value
• D)Negative predictive value

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Definitions:

Composite Volcanoes

Volcanoes characterized by explosive eruptions, steep slopes, and composition of alternating layers of lava and ash.

Drains the Volcano

The process by which magma, gases, or fluids are released from the volcano, reducing pressure within the magma chamber.

Upwind

In the direction from which the wind is coming, often used to describe exposure to substances carried by the wind.

Nearby Slopes

Slopes in close proximity to a given location, often considered in geological studies and hazard assessments for potential risks like avalanches or landslides.