Which type of drug counteracts poisons and their effects selectively by binding with the toxin to inhibit further absorption?

A "want book" may be used when using a(n) ________ system to plan inventory orders

a. manual b. GOP c. prime vendor d. automated

Which of the following are true about air-entrainment systems?

1. Their FiO2 values are directly proportional to their total flow. 2. They can provide variable FiO2 values under some clinical conditions. 3. They always deliver O2 concentrations less than 100%. 4. They yield a set FiO2 only if their flow exceeds the patient's. a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only