NUR 521 Exam 4 Blueprint Practice
Questions and Answers | 2026
Updated | 100% Correct | Already
Graded A+ | With Complete Solution
1. Common reasons for medication errors in a facility include all of the
following EXCEPT:
Lack of knowledge in administration
Following the 6 rights of medication administration
Inadequate communication
Improper transcription of medication orders
2. The process of adding a diluent to a powder form of a medication is:
reconstitution
admixture
isotonic
tonicity
3. A nurse is preparing to administer oral medication to a patient who is
unconscious. What action is necessary to ensure safe administration?
Administer the medication intravenously.
Mix the medication with a clear liquid.
Crush the medication and administer it via a nasogastric tube.
Place the medication under the patient's tongue.
,4. During a medication class, a nurse explains the role of antagonists in
pharmacology. What accurately defines an antagonist?
Antagonists block the effects of agonists by preventing receptor
activation.
, Antagonists bind with receptors and mimic the action of natural
neurotransmitters.
These drugs join with receptors and initiate a specific cellular
response.
They bind to receptors and enhance the activity of certain
physiological processes.
5. All of the following are true regarding a drugs Half-life except for:
Determines the rate of loss of a drug from the body
The time required for a drug to be eliminated from the blood by
50%
Indicates how long it takes for the drug to reach an effective
blood concentration level of 50% or greater after administration
It is a useful tool for determining dosing intervals
6. A drug's onset is the amount of time it takes a drug to demonstrate a
____________ ___________.
therapeutic response
trough level
peak level
end metabolite
7. Classifications of adverse reactions include:
side effects
toxic reactions
allergic reactions
idiosyncratic reaction
interference with natural defense mechanisms
Questions and Answers | 2026
Updated | 100% Correct | Already
Graded A+ | With Complete Solution
1. Common reasons for medication errors in a facility include all of the
following EXCEPT:
Lack of knowledge in administration
Following the 6 rights of medication administration
Inadequate communication
Improper transcription of medication orders
2. The process of adding a diluent to a powder form of a medication is:
reconstitution
admixture
isotonic
tonicity
3. A nurse is preparing to administer oral medication to a patient who is
unconscious. What action is necessary to ensure safe administration?
Administer the medication intravenously.
Mix the medication with a clear liquid.
Crush the medication and administer it via a nasogastric tube.
Place the medication under the patient's tongue.
,4. During a medication class, a nurse explains the role of antagonists in
pharmacology. What accurately defines an antagonist?
Antagonists block the effects of agonists by preventing receptor
activation.
, Antagonists bind with receptors and mimic the action of natural
neurotransmitters.
These drugs join with receptors and initiate a specific cellular
response.
They bind to receptors and enhance the activity of certain
physiological processes.
5. All of the following are true regarding a drugs Half-life except for:
Determines the rate of loss of a drug from the body
The time required for a drug to be eliminated from the blood by
50%
Indicates how long it takes for the drug to reach an effective
blood concentration level of 50% or greater after administration
It is a useful tool for determining dosing intervals
6. A drug's onset is the amount of time it takes a drug to demonstrate a
____________ ___________.
therapeutic response
trough level
peak level
end metabolite
7. Classifications of adverse reactions include:
side effects
toxic reactions
allergic reactions
idiosyncratic reaction
interference with natural defense mechanisms
