LPN/LVN Week 9 Comprehensive Quiz 2026 UPDATE |SBON
1. A nurse is preparing to administer Digoxin to a patient. Which assessment
finding would require the nurse to withhold the medication?
A. Blood pressure of 140/90 mmHg
B. Respiratory rate of 18 breaths per minute
C. Apical pulse of 52 beats per minute
D. Temperature of 99.1 degrees F
Answer: C
Rationale: Digoxin is a cardiac glycoside that slows the heart rate. It should be withheld if
the apical pulse is less than 60 bpm in adults.
2. Which of the following is the preferred site for an intramuscular (IM) injection
in an infant under 12 months of age?
A. Vastus lateralis
B. Deltoid muscle
C. Dorsogluteal muscle
D. Ventrogluteal muscle
Answer: A
Rationale: The vastus lateralis is the most developed muscle in infants and is the
recommended site for IM injections.
,3. A patient is prescribed Warfarin. Which vitamin should the nurse instruct the
patient to maintain a consistent intake of?
A. Vitamin C
B. Vitamin D
C. Vitamin B12
D. Vitamin K
Answer: D
Rationale: Vitamin K is the antagonist to Warfarin. Large fluctuations in Vitamin K intake
can interfere with the medication’s effectiveness.
4. After a tonsillectomy, which patient behavior is most indicative of
postoperative bleeding?
A. Frequent swallowing
B. Complaining of a sore throat
C. Refusing to drink citrus juice
D. Sleeping more than usual
Answer: A
Rationale: Frequent swallowing is a classic sign of bleeding in the throat as the patient
tries to clear the blood.
5. A child is suspected of having epiglottitis. Which action by the nurse is
contraindicated?
A. Visualizing the throat with a tongue blade
B. Preparing for possible intubation
C. Obtaining a pulse oximetry reading
D. Keeping the child in an upright position
Answer: A
Rationale: Visualizing the throat with a tongue blade can cause sudden airway obstruction
due to laryngospasm in epiglottitis.
, 6. What is the primary purpose of administering Magnesium Sulfate to a patient
with preeclampsia?
A. To lower blood pressure
B. To increase urine output
C. To induce labor
D. To prevent seizures
Answer: D
Rationale: Magnesium sulfate is used as a CNS depressant to prevent eclamptic seizures,
not primarily for its mild antihypertensive effect.
7. A patient with Type 1 Diabetes presents with shakiness, diaphoresis, and
confusion. What is the priority nursing action?
A. Administer 15g of rapid-acting carbohydrates
B. Call the healthcare provider immediately
C. Administer the scheduled dose of insulin
D. Encourage the patient to rest
Answer: A
Rationale: These are classic signs of hypoglycemia. The priority is to raise the blood
glucose level with 15g of simple carbs.
8. Which of the following is an early sign of lithium toxicity?
A. Nausea and vomiting
B. Constipation
C. Weight gain
D. Tachycardia
Answer: A
Rationale: Gastrointestinal upset, including nausea and vomiting, are common early signs
of lithium toxicity.
1. A nurse is preparing to administer Digoxin to a patient. Which assessment
finding would require the nurse to withhold the medication?
A. Blood pressure of 140/90 mmHg
B. Respiratory rate of 18 breaths per minute
C. Apical pulse of 52 beats per minute
D. Temperature of 99.1 degrees F
Answer: C
Rationale: Digoxin is a cardiac glycoside that slows the heart rate. It should be withheld if
the apical pulse is less than 60 bpm in adults.
2. Which of the following is the preferred site for an intramuscular (IM) injection
in an infant under 12 months of age?
A. Vastus lateralis
B. Deltoid muscle
C. Dorsogluteal muscle
D. Ventrogluteal muscle
Answer: A
Rationale: The vastus lateralis is the most developed muscle in infants and is the
recommended site for IM injections.
,3. A patient is prescribed Warfarin. Which vitamin should the nurse instruct the
patient to maintain a consistent intake of?
A. Vitamin C
B. Vitamin D
C. Vitamin B12
D. Vitamin K
Answer: D
Rationale: Vitamin K is the antagonist to Warfarin. Large fluctuations in Vitamin K intake
can interfere with the medication’s effectiveness.
4. After a tonsillectomy, which patient behavior is most indicative of
postoperative bleeding?
A. Frequent swallowing
B. Complaining of a sore throat
C. Refusing to drink citrus juice
D. Sleeping more than usual
Answer: A
Rationale: Frequent swallowing is a classic sign of bleeding in the throat as the patient
tries to clear the blood.
5. A child is suspected of having epiglottitis. Which action by the nurse is
contraindicated?
A. Visualizing the throat with a tongue blade
B. Preparing for possible intubation
C. Obtaining a pulse oximetry reading
D. Keeping the child in an upright position
Answer: A
Rationale: Visualizing the throat with a tongue blade can cause sudden airway obstruction
due to laryngospasm in epiglottitis.
, 6. What is the primary purpose of administering Magnesium Sulfate to a patient
with preeclampsia?
A. To lower blood pressure
B. To increase urine output
C. To induce labor
D. To prevent seizures
Answer: D
Rationale: Magnesium sulfate is used as a CNS depressant to prevent eclamptic seizures,
not primarily for its mild antihypertensive effect.
7. A patient with Type 1 Diabetes presents with shakiness, diaphoresis, and
confusion. What is the priority nursing action?
A. Administer 15g of rapid-acting carbohydrates
B. Call the healthcare provider immediately
C. Administer the scheduled dose of insulin
D. Encourage the patient to rest
Answer: A
Rationale: These are classic signs of hypoglycemia. The priority is to raise the blood
glucose level with 15g of simple carbs.
8. Which of the following is an early sign of lithium toxicity?
A. Nausea and vomiting
B. Constipation
C. Weight gain
D. Tachycardia
Answer: A
Rationale: Gastrointestinal upset, including nausea and vomiting, are common early signs
of lithium toxicity.
