ENA EMERGENCY NURSING
ORIENTATION 3.0 EXAM 2025/2026
QUESTIONS AND ANSWERS 100% PASS
Which type of shock causes a temporary loss of motor, sensory, and reflex functions below the
level of a lesion? - ANS Spinal shock
According to the rule of nines, burns of the anterior trunk and both anterior arms account for
which percentage of body surface area? - ANS 27 percent
Which effect does parasympathetic stimulation have on the heart?
A. It increases peripheral vascular resistance.
B. It enhances atrioventricular node function.
C. It shortens His-Purkinje and ventricular muscle refractoriness.
D. It slows sinoatrial node discharge. - ANS D.
Parasympathetic stimulation slows sinoatrial node discharge. Sympathetic stimulation
enhances atrioventricular node function, shortens His-Purkinje and ventricular muscle
refractoriness, and increases peripheral vascular resistance.
Hypertension is a finding in which type of poisoning?
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,A. Opioid
B. Antidepressant
C. Anticholinergic
D. Organophosphate - ANS C
For a patient with chronic immune thrombocytopenia, which intervention is the initial
treatment?
A. Infuse intravenous immunoglobulin.
B. Administer prednisone (Deltasone).
C. Prepare the patient for a splenectomy.
D. Administer cyclophosphamide (Cytoxan). - ANS B. Administer prednisone (Deltasone).
For which disorder is phenazopyridine (Pyridium) most commonly administered? - ANS D.
Urethritis
Rhabdomyolysis is a complication of which type of toxicity?
A. Central nervous system stimulant
B. Opiate
C. Tricyclic antidepressant
D. Calcium channel blocker - ANS A. Central nervous system stimulant
Which intervention is used to treat a patient with ventricular fibrillation who has an
implantable cardiac defibrillator? - ANS Apply hands-free adhesive patches in the anterior-
posterior position and defibrillate.
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
,For which disorder is phenazopyridine (Pyridium) most commonly administered? - ANS D.
Urethritis
Which term defines pain caused by the stretching of a hollow organ and is described as
cramping or a sensation of gas? - ANS Visceral pain
When a patient is in the compensatory stage of shock, the body preferentially maintains blood
flow to which organs? - ANS heart and brain
Which laboratory test result should the nurse expect in a patient with alcoholic ketoacidosis? -
ANS Below normal to slightly elevated serum glucose level
Which finding is characteristic of preeclampsia? - ANS Proteinuria
Sciatic nerve damage is associated with dislocation of which joint?
A. Patellar
B. Knee
C. Hip
D. Ankle - ANS C. Hip
Which intervention is indicated for a patient with circumferential full-thickness burns of the
chest, inadequate chest expansion, and restlessness? - ANS Escharotomy
Calcium channel blockers are indicated to treat which dysrhythmia?
A. Atrial fibrillation
B. Accelerated junctional tachycardia
C. Second-degree atrioventricular block, type II
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, D. Polymorphic ventricular tachycardia - ANS A.
Treatment of atrial fibrillation aims to control the rapid ventricular rate with medications, such
as calcium channel blockers or beta-blockers. Calcium channel blockers are not used to treat
the other dysrhythmias listed. Accelerated junctional tachycardia is a transient rhythm that only
requires treatment of the underlying disorder. Patients with second-degree atrioventricular
block, type II, require careful monitoring and may need transcutaneous pacing. Treatment for
polymorphic ventricular tachycardia is magnesium sulfate and defibrillation if the patient's
condition is unstable.
Activated charcoal can absorb which substance?
A. Cyanide
B. Kerosene
C. Lead
D. Potassium - ANS B
Which herb can decrease the clotting time?
A. Evening primrose
B. Cinnamon
C. Garlic
D. Skull cap - ANS B. Cinnamon
Which medication causes urine retention? - ANS D. Diphenhydramine (Benadryl)
The ingestion of the foxglove plant can cause which finding?
A. Hypertension
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
ORIENTATION 3.0 EXAM 2025/2026
QUESTIONS AND ANSWERS 100% PASS
Which type of shock causes a temporary loss of motor, sensory, and reflex functions below the
level of a lesion? - ANS Spinal shock
According to the rule of nines, burns of the anterior trunk and both anterior arms account for
which percentage of body surface area? - ANS 27 percent
Which effect does parasympathetic stimulation have on the heart?
A. It increases peripheral vascular resistance.
B. It enhances atrioventricular node function.
C. It shortens His-Purkinje and ventricular muscle refractoriness.
D. It slows sinoatrial node discharge. - ANS D.
Parasympathetic stimulation slows sinoatrial node discharge. Sympathetic stimulation
enhances atrioventricular node function, shortens His-Purkinje and ventricular muscle
refractoriness, and increases peripheral vascular resistance.
Hypertension is a finding in which type of poisoning?
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
,A. Opioid
B. Antidepressant
C. Anticholinergic
D. Organophosphate - ANS C
For a patient with chronic immune thrombocytopenia, which intervention is the initial
treatment?
A. Infuse intravenous immunoglobulin.
B. Administer prednisone (Deltasone).
C. Prepare the patient for a splenectomy.
D. Administer cyclophosphamide (Cytoxan). - ANS B. Administer prednisone (Deltasone).
For which disorder is phenazopyridine (Pyridium) most commonly administered? - ANS D.
Urethritis
Rhabdomyolysis is a complication of which type of toxicity?
A. Central nervous system stimulant
B. Opiate
C. Tricyclic antidepressant
D. Calcium channel blocker - ANS A. Central nervous system stimulant
Which intervention is used to treat a patient with ventricular fibrillation who has an
implantable cardiac defibrillator? - ANS Apply hands-free adhesive patches in the anterior-
posterior position and defibrillate.
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
,For which disorder is phenazopyridine (Pyridium) most commonly administered? - ANS D.
Urethritis
Which term defines pain caused by the stretching of a hollow organ and is described as
cramping or a sensation of gas? - ANS Visceral pain
When a patient is in the compensatory stage of shock, the body preferentially maintains blood
flow to which organs? - ANS heart and brain
Which laboratory test result should the nurse expect in a patient with alcoholic ketoacidosis? -
ANS Below normal to slightly elevated serum glucose level
Which finding is characteristic of preeclampsia? - ANS Proteinuria
Sciatic nerve damage is associated with dislocation of which joint?
A. Patellar
B. Knee
C. Hip
D. Ankle - ANS C. Hip
Which intervention is indicated for a patient with circumferential full-thickness burns of the
chest, inadequate chest expansion, and restlessness? - ANS Escharotomy
Calcium channel blockers are indicated to treat which dysrhythmia?
A. Atrial fibrillation
B. Accelerated junctional tachycardia
C. Second-degree atrioventricular block, type II
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, D. Polymorphic ventricular tachycardia - ANS A.
Treatment of atrial fibrillation aims to control the rapid ventricular rate with medications, such
as calcium channel blockers or beta-blockers. Calcium channel blockers are not used to treat
the other dysrhythmias listed. Accelerated junctional tachycardia is a transient rhythm that only
requires treatment of the underlying disorder. Patients with second-degree atrioventricular
block, type II, require careful monitoring and may need transcutaneous pacing. Treatment for
polymorphic ventricular tachycardia is magnesium sulfate and defibrillation if the patient's
condition is unstable.
Activated charcoal can absorb which substance?
A. Cyanide
B. Kerosene
C. Lead
D. Potassium - ANS B
Which herb can decrease the clotting time?
A. Evening primrose
B. Cinnamon
C. Garlic
D. Skull cap - ANS B. Cinnamon
Which medication causes urine retention? - ANS D. Diphenhydramine (Benadryl)
The ingestion of the foxglove plant can cause which finding?
A. Hypertension
4 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
