Texas Licensed Vocational Nurse (LVN/LPN)
Practice Exam Questions With Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. Which action is the highest priority when a patient develops sudden
shortness of breath?
A. Obtain vital signs
B. Raise the head of the bed
C. Call the physician
D. Administer oxygen
Answer: _D. Administer oxygen_
Rationale: Airway and oxygenation come first in respiratory distress;
oxygen improves oxygen delivery immediately.
2. A nurse is reviewing infection control. Which is the most effective
method to prevent infection?
A. Wearing gloves
B. Hand hygiene
C. Using masks
D. Sterile technique
,Answer: _B. Hand hygiene_
Rationale: Hand hygiene is the single most effective way to prevent
transmission of pathogens.
3. Which vital sign requires immediate reporting?
A. Temperature 99.1°F
B. Pulse 88 bpm
C. Respiratory rate 32/min
D. Blood pressure 120/80
Answer: _C. Respiratory rate 32/min_
Rationale: Tachypnea may indicate respiratory distress or metabolic
imbalance.
4. What is the correct position for a patient experiencing shock?
A. High Fowler’s
B. Supine with legs elevated
C. Prone position
D. Side-lying
Answer: _B. Supine with legs elevated_
Rationale: Improves venous return and increases blood flow to vital
organs.
5. Which medication route has the fastest absorption?
,A. Oral
B. Subcutaneous
C. Intramuscular
D. Intravenous
Answer: _D. Intravenous_
Rationale: IV administration delivers medication directly into
circulation.
6. A patient is at risk for pressure ulcers. Which intervention is best?
A. Massage bony areas
B. Reposition every 2 hours
C. Keep patient in one position
D. Limit fluid intake
Answer: _B. Reposition every 2 hours_
Rationale: Frequent repositioning reduces pressure and improves
circulation.
7. Which sign indicates hypoglycemia?
A. Warm, dry skin
B. Fruity breath
C. Sweating and confusion
D. Slow pulse
Answer: _C. Sweating and confusion_
Rationale: Low blood sugar stimulates sympathetic response causing
sweating and neuro symptoms.
, 8. What is the normal adult urinary output per hour?
A. 10 mL/hr
B. 20 mL/hr
C. 30 mL/hr
D. 50 mL/hr
Answer: _C. 30 mL/hr_
Rationale: Minimum adequate urine output is about 30 mL/hr.
9. Which electrolyte imbalance causes muscle cramps and tetany?
A. Hyperkalemia
B. Hypocalcemia
C. Hypernatremia
D. Hypermagnesemia
Answer: _B. Hypocalcemia_
Rationale: Low calcium increases neuromuscular excitability.
10. What is the first step in wound care?
A. Apply dressing
B. Clean from center outward
C. Assess wound
D. Apply antibiotic ointment
Answer: _C. Assess wound_
Rationale: Assessment guides appropriate intervention.
Practice Exam Questions With Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. Which action is the highest priority when a patient develops sudden
shortness of breath?
A. Obtain vital signs
B. Raise the head of the bed
C. Call the physician
D. Administer oxygen
Answer: _D. Administer oxygen_
Rationale: Airway and oxygenation come first in respiratory distress;
oxygen improves oxygen delivery immediately.
2. A nurse is reviewing infection control. Which is the most effective
method to prevent infection?
A. Wearing gloves
B. Hand hygiene
C. Using masks
D. Sterile technique
,Answer: _B. Hand hygiene_
Rationale: Hand hygiene is the single most effective way to prevent
transmission of pathogens.
3. Which vital sign requires immediate reporting?
A. Temperature 99.1°F
B. Pulse 88 bpm
C. Respiratory rate 32/min
D. Blood pressure 120/80
Answer: _C. Respiratory rate 32/min_
Rationale: Tachypnea may indicate respiratory distress or metabolic
imbalance.
4. What is the correct position for a patient experiencing shock?
A. High Fowler’s
B. Supine with legs elevated
C. Prone position
D. Side-lying
Answer: _B. Supine with legs elevated_
Rationale: Improves venous return and increases blood flow to vital
organs.
5. Which medication route has the fastest absorption?
,A. Oral
B. Subcutaneous
C. Intramuscular
D. Intravenous
Answer: _D. Intravenous_
Rationale: IV administration delivers medication directly into
circulation.
6. A patient is at risk for pressure ulcers. Which intervention is best?
A. Massage bony areas
B. Reposition every 2 hours
C. Keep patient in one position
D. Limit fluid intake
Answer: _B. Reposition every 2 hours_
Rationale: Frequent repositioning reduces pressure and improves
circulation.
7. Which sign indicates hypoglycemia?
A. Warm, dry skin
B. Fruity breath
C. Sweating and confusion
D. Slow pulse
Answer: _C. Sweating and confusion_
Rationale: Low blood sugar stimulates sympathetic response causing
sweating and neuro symptoms.
, 8. What is the normal adult urinary output per hour?
A. 10 mL/hr
B. 20 mL/hr
C. 30 mL/hr
D. 50 mL/hr
Answer: _C. 30 mL/hr_
Rationale: Minimum adequate urine output is about 30 mL/hr.
9. Which electrolyte imbalance causes muscle cramps and tetany?
A. Hyperkalemia
B. Hypocalcemia
C. Hypernatremia
D. Hypermagnesemia
Answer: _B. Hypocalcemia_
Rationale: Low calcium increases neuromuscular excitability.
10. What is the first step in wound care?
A. Apply dressing
B. Clean from center outward
C. Assess wound
D. Apply antibiotic ointment
Answer: _C. Assess wound_
Rationale: Assessment guides appropriate intervention.
