The respiratory therapist obtains a SpO2 reading of 90% on a patient receiving oxygen therapy via 50% venti-mask. This would indicate a PO2 value of approximately

1 dram = ________ grains

A) 0.6 B) 6 C) 60 D) 600

A urine specimen was collected in a physician's office on Friday afternoon. It was placed in the refrigerator for the courier to pick up and transport to the microbiology laboratory. The courier missed the specimen on his last run of the day

The specimen remained in the refrigerator until Monday morning. The courier picked up the specimen on his first run of the day and transported it to the microbiology laboratory. On receipt, you will A) centrifuge the specimen prior to processing. B) reject the specimen. C) process the specimen. D) add preservative.