The nurse understands that the length of time needed for a drug to reach the minimum effective concentration (MEC) is the
a. duration of action.
b. onset of action.
c. peak action time.
d. time response curve.
ANS: B
The onset of action is the time it takes to reach the MEC. Duration of action is the length of time a drug has a pharmacologic effect. Peak action time occurs when the drug reaches its highest blood level. The time response curve is an evaluation of the other three measures.
You might also like to view...
The Centers for Disease Control and Prevention (CDC) recommend the use of personal protective equipment when the nurse is likely to come into contact with:
a. any client at any time. b. any body fluids. c. blood and blood products. d. any client suspected of being HIV positive.
What is the most fiscally responsible method for determining staffing needs for a hospital unit?
A) Maximum patient load capacity of the unit B) Numbers of patients present for an upcoming shift C) The agreed-on staffing formula currently in use D) Total beds on the unit
The nurse is assessing the client's eyes. Which of the following findings is most consistent with glaucoma?
1. Eyeballs are firm to palpation. 2. Pupils are constricted bilaterally. 3. Central vision is impaired. 4. The client has a history of syphilis.
A 14-year-old female who has type 1 diabetes mellitus that has been well-controlled for several years is admitted to the hospital for treatment of severe hyperglycemia. The patient's lab values indicate poor glycemic control for the past 3 months
The nurse caring for this patient will suspect which cause for the change in diabetic control? a. Adolescent rebellion and noncompliance b. Changes in cognitive function c. Hormonal fluctuations d. Possible experimentation with drugs or alcohol