Avoid heavy pressure over the thoracic cage, especially for those at risk for:

A technologist picks up a serum sample with a label indicating it is a 1:4 dilution. What does this tell the technologist about the sample?

A) The concentration of any substance within the sample is 0.01 times its real value. B) The concentration of any substance within the sample is one-fourth its real value. C) The concentration of any substance within the sample is 100 times its real value. D) The concentration of any substance within the sample is four times its real value.

Rx: Hydrocortisone 1.75% cream 30 gm. You will prepare the prescription by mixing hydrocortisone 2.5% and hydrocortisone 1% cream. How much hydrocortisone 2.5% cream would be needed?

A) 21 gm B) 17.1 gm C) 15 gm D) 9 gm