Tom Smith, a 2-year-old patient, has been experiencing a fever of undetermined origin for the past three weeks, and two weeks ago blood work was ordered. Today he is afebrile. He returns to the office today with his mother to discuss the laboratory findings. The findings show infantile genetic agranulocytosis. The code(s) for this case are ____________________.

A solution of aqueous ferric chloride has a concentration of 15 ppm. What does this tell us about the amount of ferric chloride in the solution?

A) There are 15 grams of ferric chloride in every 1,000,000 grams of solution. B) There are 15 grams of ferric chloride in every 1,000,000 mL of solution. C) There are 15 mL of ferric chloride in every 1,000,000 mL of solution. D) Both A and B are correct.

Which gas is used to test the physiologic effectiveness of the alveolary-capillary membrane?

A. N2O B. O2 C. CO D. CO2