Page 1 of 158
ENA EMERGENCY NURSING ORIENTATION 3.0 LATEST
2025 TEST BANK| COMPLETE 450 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+ (BRAND
NEW!!)
Which type of shock causes a temporary loss of motor, sensory,
and reflex functions below the level of a lesion? .....ANSWER.....
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? .....ANSWER..... 27 percent
Which effect does parasympathetic stimulation have on the
heart?
A. It increases peripheral vascular resistance.
B. It enhances atrioventricular node function.
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C. It shortens His-Purkinje and ventricular muscle refractoriness.
D. It slows sinoatrial node discharge.
.....ANSWER..... 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?
A. Opioid
B. Antidepressant
C. Anticholinergic
D. Organophosphate .....ANSWER..... C
,Page 3 of 158
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). .....ANSWER..... B.
Administer prednisone (Deltasone).
For which disorder is phenazopyridine (Pyridium) most commonly
administered? .....ANSWER..... D. Urethritis
Rhabdomyolysis is a complication of which type of toxicity?
A. Central nervous system stimulant
B. Opiate
, Page 4 of 158
C. Tricyclic antidepressant
D. Calcium channel blocker .....ANSWER..... A. Central nervous
system stimulant
Which intervention is used to treat a patient with ventricular
fibrillation who has an implantable cardiac defibrillator?
.....ANSWER..... Apply hands-free adhesive patches in the
anterior-posterior position and defibrillate.
For which disorder is phenazopyridine (Pyridium) most commonly
administered? .....ANSWER..... D. Urethritis
Which term defines pain caused by the stretching of a hollow
organ and is described as cramping or a sensation of gas?
.....ANSWER..... Visceral pain
When a patient is in the compensatory stage of shock, the body
preferentially maintains blood flow to which organs?
.....ANSWER..... heart and brain
ENA EMERGENCY NURSING ORIENTATION 3.0 LATEST
2025 TEST BANK| COMPLETE 450 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+ (BRAND
NEW!!)
Which type of shock causes a temporary loss of motor, sensory,
and reflex functions below the level of a lesion? .....ANSWER.....
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? .....ANSWER..... 27 percent
Which effect does parasympathetic stimulation have on the
heart?
A. It increases peripheral vascular resistance.
B. It enhances atrioventricular node function.
,Page 2 of 158
C. It shortens His-Purkinje and ventricular muscle refractoriness.
D. It slows sinoatrial node discharge.
.....ANSWER..... 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?
A. Opioid
B. Antidepressant
C. Anticholinergic
D. Organophosphate .....ANSWER..... C
,Page 3 of 158
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). .....ANSWER..... B.
Administer prednisone (Deltasone).
For which disorder is phenazopyridine (Pyridium) most commonly
administered? .....ANSWER..... D. Urethritis
Rhabdomyolysis is a complication of which type of toxicity?
A. Central nervous system stimulant
B. Opiate
, Page 4 of 158
C. Tricyclic antidepressant
D. Calcium channel blocker .....ANSWER..... A. Central nervous
system stimulant
Which intervention is used to treat a patient with ventricular
fibrillation who has an implantable cardiac defibrillator?
.....ANSWER..... Apply hands-free adhesive patches in the
anterior-posterior position and defibrillate.
For which disorder is phenazopyridine (Pyridium) most commonly
administered? .....ANSWER..... D. Urethritis
Which term defines pain caused by the stretching of a hollow
organ and is described as cramping or a sensation of gas?
.....ANSWER..... Visceral pain
When a patient is in the compensatory stage of shock, the body
preferentially maintains blood flow to which organs?
.....ANSWER..... heart and brain
