A Nurse Vigorously Swabs the Tonsillar Pillars and Posterior Throat

Multiple Choice

A nurse vigorously swabs the tonsillar pillars and posterior throat of a patient to obtain a specimen for a group A streptococcal screen and then repeats this process with a second swab.What is the correct rationale for obtaining two specimens?

A) Two swabs are sent to the laboratory in case one is contaminated or lost in transit.
B) If the first swab tests negative, the screen is repeated on the second.
C) If the first swab tests negative, a traditional culture is performed on the second.
D) Each swab is sent to a different laboratory to ensure accuracy.