Nursing 321 Exam One Practice Questions With Complete Solutions.

A nurse is preparing to administer an emergency drug to a patient who is having a severe allergic reaction. Which route of administration would provide the fastest and most complete absorption? correct answer: Intravenous Rationale: Intravenous administration results in the fastest and most complete absorption of a drug. When preparing to administer a sustained-release capsule to a patient, the nurse understands that which of the following is an incorrect statement concerning this drug formulation? correct answer: They need to be crushed for appropriate absorption to take place. Rationale: Sustained-release formulations are capsules filled with tiny spheres that contain the actual drug; the individual spheres have coatings that dissolve at variable rates. Because some spheres dissolve more slowly than others, drug is released steadily throughout the day. These capsules should not be crushed. The primary advantage of sustained-release preparations is that they permit a reduction in the number of daily doses. These formulations have the additional advantage of producing relatively steady drug levels over an extended time. Sustained-release formulations are more costly. The nurse identifies which patient as being at hi