A New Serologic Test Has Been Developed for the Detection

question 96

Multiple Choice

A new serologic test has been developed for the detection of active pulmonary tuberculosis and is compared to the gold standard of sputum mycobacterial culture.  A total of 1000 subjects are randomly selected for testing from a population with a high prevalence of tuberculosis.  Results of the study are given below: Which of the following is the positive predictive value of the test under study?

• A)130/180
• B)130/190
• C)180/1000
• D)760/810
• E)760/820

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Definitions:

Unarmed Robbery

The act of stealing from someone without the use of weapons.

Violence

The use of physical force with the intent to injure, damage, or kill someone or something.

Burglars

Individuals who unlawfully enter buildings with the intent to commit theft or any other felony.

Empty House

A building or space with no current occupants, often evoking a sense of abandonment or solitude.