LPN/LVN Week 4 Comprehensive Quiz (2026/2027 Update) |SBON
1. When administering medication, which ‘right’ is being checked when the
nurse compares the medication label to the Medication Administration Record
(MAR)?
A. Right Route
B. Right Drug
C. Right Time
D. Right Patient
Answer: B
Rationale: Checking the label against the MAR ensures that the correct medication (Right
Drug) is being prepared.
2. Which site is preferred for an intramuscular injection in an infant?
A. Vastus lateralis
B. Deltoid
C. Dorsogluteal
D. Ventrogluteal
Answer: A
Rationale: The vastus lateralis muscle in the thigh is the preferred IM site for infants
because it is the most developed muscle at birth.
,3. An LPN is caring for a patient with Clostridium difficile (C. diff). What type of
precautions should be implemented?
A. Airborne
B. Contact
C. Droplet
D. Standard only
Answer: B
Rationale: C. diff requires contact precautions, including gown and gloves, and
handwashing with soap and water is mandatory as alcohol-based rubs do not kill the
spores.
4. A patient has a potassium level of 6.2 mEq/L. Which finding is the nurse most
likely to observe on the ECG?
A. Tall, peaked T waves
B. Prominent U waves
C. ST-segment depression
D. Shortened PR interval
Answer: A
Rationale: Hyperkalemia (potassium > 5.0) typically causes tall, peaked T waves on an
ECG.
5. Which insulin is classified as long-acting and should not be mixed with other
insulins?
A. Lispro
B. Regular
C. Glargine
D. NPH
Answer: C
, Rationale: Glargine is a long-acting insulin that provides a steady blood level for 24 hours
and should never be mixed in the same syringe with other insulins.
6. What is the first action a nurse should take when discovering a small fire in a
patient’s room?
A. Remove the patient from the room
B. Extinguish the fire
C. Activate the fire alarm
D. Close the doors to contain the fire
Answer: A
Rationale: Following the RACE acronym, the first step is Rescue (R)—removing anyone in
immediate danger.
7. A nurse is preparing to suction a patient’s tracheostomy. What is the
maximum amount of time suction should be applied?
A. 5 seconds
B. 20 to 30 seconds
C. 10 to 15 seconds
D. 1 minute
Answer: C
Rationale: Suctioning should be limited to 10-15 seconds to prevent hypoxia and vagal
stimulation.
8. Which ethical principle is demonstrated when a nurse provides the same level
of care to all patients regardless of their socioeconomic status?
A. Autonomy
B. Beneficence
C. Justice
D. Fidelity
Answer: C
1. When administering medication, which ‘right’ is being checked when the
nurse compares the medication label to the Medication Administration Record
(MAR)?
A. Right Route
B. Right Drug
C. Right Time
D. Right Patient
Answer: B
Rationale: Checking the label against the MAR ensures that the correct medication (Right
Drug) is being prepared.
2. Which site is preferred for an intramuscular injection in an infant?
A. Vastus lateralis
B. Deltoid
C. Dorsogluteal
D. Ventrogluteal
Answer: A
Rationale: The vastus lateralis muscle in the thigh is the preferred IM site for infants
because it is the most developed muscle at birth.
,3. An LPN is caring for a patient with Clostridium difficile (C. diff). What type of
precautions should be implemented?
A. Airborne
B. Contact
C. Droplet
D. Standard only
Answer: B
Rationale: C. diff requires contact precautions, including gown and gloves, and
handwashing with soap and water is mandatory as alcohol-based rubs do not kill the
spores.
4. A patient has a potassium level of 6.2 mEq/L. Which finding is the nurse most
likely to observe on the ECG?
A. Tall, peaked T waves
B. Prominent U waves
C. ST-segment depression
D. Shortened PR interval
Answer: A
Rationale: Hyperkalemia (potassium > 5.0) typically causes tall, peaked T waves on an
ECG.
5. Which insulin is classified as long-acting and should not be mixed with other
insulins?
A. Lispro
B. Regular
C. Glargine
D. NPH
Answer: C
, Rationale: Glargine is a long-acting insulin that provides a steady blood level for 24 hours
and should never be mixed in the same syringe with other insulins.
6. What is the first action a nurse should take when discovering a small fire in a
patient’s room?
A. Remove the patient from the room
B. Extinguish the fire
C. Activate the fire alarm
D. Close the doors to contain the fire
Answer: A
Rationale: Following the RACE acronym, the first step is Rescue (R)—removing anyone in
immediate danger.
7. A nurse is preparing to suction a patient’s tracheostomy. What is the
maximum amount of time suction should be applied?
A. 5 seconds
B. 20 to 30 seconds
C. 10 to 15 seconds
D. 1 minute
Answer: C
Rationale: Suctioning should be limited to 10-15 seconds to prevent hypoxia and vagal
stimulation.
8. Which ethical principle is demonstrated when a nurse provides the same level
of care to all patients regardless of their socioeconomic status?
A. Autonomy
B. Beneficence
C. Justice
D. Fidelity
Answer: C
