N677 Controlled Substance Exam Practice Test
2026 | Questions and Answers with Detailed
Rationales for Safe Medication Administration
and Legal Compliance | pdf
1.
A nurse preparing to administer a Schedule II opioid notices that the medication
count in the controlled substance logbook does not match the actual inventory.
What is the most appropriate immediate action?
A. Adjust the count to match documentation
B. Administer the medication and report later
C. Immediately report the discrepancy according to facility policy
D. Replace the missing dose from another unit
✅ Answer: C
Explanation:
Any discrepancy involving controlled substances must be reported immediately.
Delaying or adjusting records is considered a serious violation and may indicate
diversion.
2.
Which organization is primarily responsible for enforcing federal laws related to
controlled substances, including classification, distribution, and monitoring of
medications?
A. Food and Drug Administration
B. Centers for Disease Control and Prevention
C. Drug Enforcement Administration
D. World Health Organization
,✅ Answer: C
Explanation:
The DEA enforces federal controlled substance laws, regulates drug schedules,
and ensures proper handling and distribution.
3.
A healthcare provider asks about Schedule I controlled substances. Which
description accurately reflects the classification criteria for these substances?
A. High medical use with low abuse risk
B. Accepted medical use with moderate dependency risk
C. No accepted medical use and high abuse potential
D. Low abuse potential and common clinical use
✅ Answer: C
Explanation:
Schedule I substances have no accepted medical use and high abuse potential,
making them the most restricted category.
4.
During medication administration, a nurse ensures the correct patient,
medication, dose, route, and time are followed. What is the primary purpose of
adhering to these principles?
A. Reduce workload for staff
B. Meet insurance requirements
C. Ensure safe and accurate medication administration
D. Increase medication availability
✅ Answer: C
Explanation:
The “Five Rights” are essential to prevent medication errors and protect patient
safety.
,5.
A nurse must dispose of a partially used controlled medication after administering
a dose. What procedure must be followed to remain compliant with regulations?
A. Dispose of medication privately without documentation
B. Discard medication in a standard waste bin
C. Perform witnessed waste with proper documentation
D. Save medication for future use
✅ Answer: C
Explanation:
Controlled substances must be wasted with a licensed witness and documented
to prevent misuse or diversion.
6.
What is the primary purpose of maintaining an accurate controlled substance
logbook in a healthcare facility?
A. Track patient satisfaction scores
B. Monitor staff attendance
C. Ensure accountability and accurate inventory tracking
D. Improve billing processes
✅ Answer: C
Explanation:
Logbooks provide a legal record of medication usage, waste, and inventory,
ensuring accountability.
7.
A Schedule II medication is prescribed to a patient. What characteristic
distinguishes Schedule II drugs from lower schedules?
, A. No abuse potential
B. No accepted medical use
C. High abuse potential with accepted medical use
D. Available without prescription
✅ Answer: C
Explanation:
Schedule II drugs have legitimate medical uses but high risk for abuse and
dependence.
8.
A nurse administers a controlled medication but delays documentation until the
end of the shift. What potential risk does this behavior create?
A. Improved workflow efficiency
B. Reduced documentation workload
C. Increased risk of errors, legal issues, and diversion concerns
D. Better patient outcomes
✅ Answer: C
Explanation:
Delayed documentation increases risk of errors, omissions, and legal liability.
9.
Which situation best represents drug diversion in a healthcare setting involving
controlled substances?
A. Administering medication as prescribed
B. Properly documenting medication use
C. Unauthorized use or theft of medication for personal use
D. Reporting discrepancies immediately
✅ Answer: C
2026 | Questions and Answers with Detailed
Rationales for Safe Medication Administration
and Legal Compliance | pdf
1.
A nurse preparing to administer a Schedule II opioid notices that the medication
count in the controlled substance logbook does not match the actual inventory.
What is the most appropriate immediate action?
A. Adjust the count to match documentation
B. Administer the medication and report later
C. Immediately report the discrepancy according to facility policy
D. Replace the missing dose from another unit
✅ Answer: C
Explanation:
Any discrepancy involving controlled substances must be reported immediately.
Delaying or adjusting records is considered a serious violation and may indicate
diversion.
2.
Which organization is primarily responsible for enforcing federal laws related to
controlled substances, including classification, distribution, and monitoring of
medications?
A. Food and Drug Administration
B. Centers for Disease Control and Prevention
C. Drug Enforcement Administration
D. World Health Organization
,✅ Answer: C
Explanation:
The DEA enforces federal controlled substance laws, regulates drug schedules,
and ensures proper handling and distribution.
3.
A healthcare provider asks about Schedule I controlled substances. Which
description accurately reflects the classification criteria for these substances?
A. High medical use with low abuse risk
B. Accepted medical use with moderate dependency risk
C. No accepted medical use and high abuse potential
D. Low abuse potential and common clinical use
✅ Answer: C
Explanation:
Schedule I substances have no accepted medical use and high abuse potential,
making them the most restricted category.
4.
During medication administration, a nurse ensures the correct patient,
medication, dose, route, and time are followed. What is the primary purpose of
adhering to these principles?
A. Reduce workload for staff
B. Meet insurance requirements
C. Ensure safe and accurate medication administration
D. Increase medication availability
✅ Answer: C
Explanation:
The “Five Rights” are essential to prevent medication errors and protect patient
safety.
,5.
A nurse must dispose of a partially used controlled medication after administering
a dose. What procedure must be followed to remain compliant with regulations?
A. Dispose of medication privately without documentation
B. Discard medication in a standard waste bin
C. Perform witnessed waste with proper documentation
D. Save medication for future use
✅ Answer: C
Explanation:
Controlled substances must be wasted with a licensed witness and documented
to prevent misuse or diversion.
6.
What is the primary purpose of maintaining an accurate controlled substance
logbook in a healthcare facility?
A. Track patient satisfaction scores
B. Monitor staff attendance
C. Ensure accountability and accurate inventory tracking
D. Improve billing processes
✅ Answer: C
Explanation:
Logbooks provide a legal record of medication usage, waste, and inventory,
ensuring accountability.
7.
A Schedule II medication is prescribed to a patient. What characteristic
distinguishes Schedule II drugs from lower schedules?
, A. No abuse potential
B. No accepted medical use
C. High abuse potential with accepted medical use
D. Available without prescription
✅ Answer: C
Explanation:
Schedule II drugs have legitimate medical uses but high risk for abuse and
dependence.
8.
A nurse administers a controlled medication but delays documentation until the
end of the shift. What potential risk does this behavior create?
A. Improved workflow efficiency
B. Reduced documentation workload
C. Increased risk of errors, legal issues, and diversion concerns
D. Better patient outcomes
✅ Answer: C
Explanation:
Delayed documentation increases risk of errors, omissions, and legal liability.
9.
Which situation best represents drug diversion in a healthcare setting involving
controlled substances?
A. Administering medication as prescribed
B. Properly documenting medication use
C. Unauthorized use or theft of medication for personal use
D. Reporting discrepancies immediately
✅ Answer: C
