ATI LPN
Lpn pharmacology I Questions
Extract:
Question 1 of 5
A group of student nurses are reviewing the process of drug development. Which statement best identifies the concept of a placebo?
Correct Answer: C
Rationale: A placebo is an inactive substance that has no therapeutic effect, used to compare against the active drug in clinical trials.
Question 2 of 5
Which term means the point at which a medication has the optimal desired effect?
Correct Answer: A
Rationale: Therapeutic level refers to the concentration of a drug in the bloodstream at which it achieves the desired effect without causing toxicity.
Question 3 of 5
Which of the following best describes the role of the Drug Enforcement Administration (DEA)?
Correct Answer: D
Rationale: The DEA classifies controlled substances into schedules and enforces the laws related to the handling, prescribing, and dispensing of these drugs.
Question 4 of 5
The nurse is providing medications to an adult patient with a history of advanced kidney disease. Which laboratory finding indicates that the dosages of medications may need to be decreased?
Correct Answer: C
Rationale: Creatinine levels are a key indicator of kidney function. A creatinine level of 8 mg/dL is significantly elevated, suggesting severe renal impairment. Medications that are excreted by the kidneys may need to be dosed lower or avoided altogether to prevent toxicity.
Question 5 of 5
The nurse is taking care of a patient who has hypothyroid disease. What category medications would the nurse anticipate be ordered?
Correct Answer: A
Rationale: Hypothyroidism is typically treated with hormone replacement therapy, such as levothyroxine, to compensate for the deficient thyroid hormone.