A patient has received the same dose of a medicine at regular intervals for several days. Which finding best indicates that a steady state has been reached?
Correct answer: B. The average drug input equals the average drug elimination
- A. The drug enters the blood for the first time
- B. The average drug input equals the average drug elimination
- C. The drug is completely removed after every dose
- D. The patient develops an immediate allergic reaction
Explanation
Steady state occurs when the average rate of drug administration equals the average rate of elimination. Drug levels then fluctuate within a relatively consistent range during each dosing interval.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Principles of Pharmacology
Pharmacology examines drug sources, names, dosage forms, mechanisms of action, absorption, distribution, metabolism and excretion. Questions cover pharmacokinetics versus pharmacodynamics, therapeutic effects, adverse reactions, contraindications, drug interactions, tolerance, dependence and the safety responsibilities of the nurse.
Practise Principles of Pharmacology
50 free Principles of Pharmacology MCQs from Nursing Pharmacology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Nursing Pharmacology questions like this
Nursing Pharmacology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Principles of Pharmacology questions
A prescriber orders a loading dose of a medicine. What is the main purpose of this dose?
Bioavailability refers to the proportion of a drug dose that:
A nurse notices that a medication label is difficult to read and the expiry date cannot be confirmed. What is the safest action?
A patient taking a medicine metabolised by liver enzymes begins another medicine that inhibits those enzymes. Which effect is most likely?
A medication order reads, 'Give 1 tablet daily,' but the drug name and strength are missing. What should the nurse do?
A nurse is preparing two medicines with similar names for different patients. Which action best reduces the risk of a look-alike or sound-alike error?