ENA Emergency Nursing Orientation 3.0 Exam
Questions Updated 2025/2026 WITH
CORRECT/ACCURATE ANSWERS
Which type of shock causes a temporary loss of motor, sensory, and reflex functions below the
level of a lesion?
Ans: Spinal shock
Quiz 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
Quiz 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.
Quiz Hypertension is a finding in which type of poisoning?
A. Opioid
B. Antidepressant
C. Anticholinergic
D. Organophosphate
Ans: C
Quiz 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).
,Quiz For which disorder is phenazopyridine (Pyridium) most commonly administered?
Ans: D. Urethritis
Quiz 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
Quiz 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.
Quiz For which disorder is phenazopyridine (Pyridium) most commonly administered?
Ans: D. Urethritis
Quiz 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
Quiz When a patient is in the compensatory stage of shock, the body preferentially maintains
blood flow to which organs?
Ans: heart and brain
Quiz Which laboratory test result should the nurse expect in a patient with alcoholic
ketoacidosis?
Ans: Below normal to slightly elevated serum glucose level
Quiz Which finding is characteristic of preeclampsia?
Ans: Proteinuria
Quiz Sciatic nerve damage is associated with dislocation of which joint?
A. Patellar
B. Knee
C. Hip
D. Ankle
Ans: C. Hip
Questions Updated 2025/2026 WITH
CORRECT/ACCURATE ANSWERS
Which type of shock causes a temporary loss of motor, sensory, and reflex functions below the
level of a lesion?
Ans: Spinal shock
Quiz 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
Quiz 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.
Quiz Hypertension is a finding in which type of poisoning?
A. Opioid
B. Antidepressant
C. Anticholinergic
D. Organophosphate
Ans: C
Quiz 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).
,Quiz For which disorder is phenazopyridine (Pyridium) most commonly administered?
Ans: D. Urethritis
Quiz 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
Quiz 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.
Quiz For which disorder is phenazopyridine (Pyridium) most commonly administered?
Ans: D. Urethritis
Quiz 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
Quiz When a patient is in the compensatory stage of shock, the body preferentially maintains
blood flow to which organs?
Ans: heart and brain
Quiz Which laboratory test result should the nurse expect in a patient with alcoholic
ketoacidosis?
Ans: Below normal to slightly elevated serum glucose level
Quiz Which finding is characteristic of preeclampsia?
Ans: Proteinuria
Quiz Sciatic nerve damage is associated with dislocation of which joint?
A. Patellar
B. Knee
C. Hip
D. Ankle
Ans: C. Hip
