Examlex

Solved

Group B Strep That an Infant Is Exposed to in the Vaginal

question 10

Multiple Choice

Group B Strep that an infant is exposed to in the vaginal canal can cause neonatal fatalities in 48 hours, and the current test for diagnosis can take 24-48 hours. A laboratory has developed a 6-hour antigen assay to diagnose the disease. The lab ran this test on 2000 samples. Using the gold standard assay of culture, 500 of these samples were found to be true positives and 1500 true negatives. When tested by the new antigen assay, 450 of the true positives tested positive, and 1485 of the negative samples tested negative.
What is the sensitivity of this assay?


Definitions:

Elderly Patients

Individuals of advanced age, typically over the age of 65, receiving medical care or treatment.

Diagnostic Testing

Medical tests performed to aid in the diagnosis or detection of disease, injury, or other medical conditions.

Screening

The process of testing or examining individuals for the presence of diseases or conditions before symptoms are apparent.

Physical Therapy

A branch of rehabilitative healthcare that uses specially designed exercises and equipment to help patients regain or improve their physical abilities.

Related Questions