A specimen collected via tympanocentesis is received in a capped syringe on evening shift at 4:00 pm. The specimen was placed in the refrigerator until processed at 10:00 pm. The direct Gram stain is provided.
Source: CDC/Dr. Mike Miller
At 24 and 48 hours, the sheep blood, chocolate, and MacConkey agars are all negative for growth. Which of the following best explains the discrepant results?

Question

A specimen collected via tympanocentesis is received in a capped syringe on evening shift at 4:00 pm. The specimen was placed in the refrigerator until processed at 10:00 pm. The direct Gram stain is provided.
 Source: CDC/Dr. Mike Miller
At 24 and 48 hours, the sheep blood, chocolate, and MacConkey agars are all negative for growth. Which of the following best explains the discrepant results?

Quizplus · Accepted Answer

The Answer of A specimen collected via tympanocentesis is received in a capped syringe on evening shift at 4:00 pm. The specimen was placed in the refrigerator until processed at 10:00 pm. The direct Gram stain is provided.
 Source: CDC/Dr. Mike Miller
At 24 and 48 hours, the sheep blood, chocolate, and MacConkey agars are all negative for growth. Which of the following best explains the discrepant results?

A Specimen Collected Via Tympanocentesis Is Received in a Capped