ENA EMERGENCY NURSING ORIENTATION
EXAM STUDY GUIDE 2026 COMPLETE
QUESTIONS WITH CORRECT DETAILED
ANSWERS || 100% GUARANTEED PASS
<LATEST VERSION>
1. Which type of shock causes a temporary loss of motor, sensory, and reflex
functions below the level of a lesion? - ANSWER ✔ Spinal shock
2. 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
3. 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. - ANSWER ✔ D.
4. Parasympathetic stimulation slows sinoatrial node discharge. Sympathetic
stimulation enhances atrioventricular node function, shortens His-Purkinje
and ventricular muscle refractoriness, and increases peripheral vascular
resistance.
,5. Hypertension is a finding in which type of poisoning?
A. Opioid
B. Antidepressant
C. Anticholinergic
D. Organophosphate - ANSWER ✔ C
6. 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).
7. For which disorder is phenazopyridine (Pyridium) most commonly
administered? - ANSWER ✔ D. Urethritis
8. Rhabdomyolysis is a complication of which type of toxicity?
A. Central nervous system stimulant
B. Opiate
C. Tricyclic antidepressant
D. Calcium channel blocker - ANSWER ✔ A. Central nervous system
stimulant
,9. 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.
10.For which disorder is phenazopyridine (Pyridium) most commonly
administered? - ANSWER ✔ D. Urethritis
11.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
12.When a patient is in the compensatory stage of shock, the body
preferentially maintains blood flow to which organs? - ANSWER ✔ heart
and brain
13.Which laboratory test result should the nurse expect in a patient with
alcoholic ketoacidosis? - ANSWER ✔ Below normal to slightly elevated
serum glucose level
14.In substance abuse, which chemical is primarily responsible for alterations in
neurotransmission? - ANSWER ✔ Dopamine
15.What is the most commonly used illegal substance in the United States? -
ANSWER ✔ Marijuana
, 16.Which cardiovascular disorder is most commonly associated with cocaine
abuse? - ANSWER ✔ Acute coronary syndrome (ACS)
17.Which intervention is most important in managing a patient who has
ingested or abused an unknown substance? - ANSWER ✔ Establish and
maintain an airway.
18.Which complication is associated with heroin abuse? - ANSWER ✔
bacterial endocarditis
19.Which intoxicant is most likely to be abused by a preteen? - ANSWER ✔
Inhalants
20.Which abused substance belongs to the depressant drug class? - ANSWER
✔ Alcohol
21.You should expect to administer naloxone (Narcan) to patients who have
taken which substance? - ANSWER ✔ Heroin
22.After partying at a nightclub, a college student is brought to the ED by his
roommates. The patient states he's "high." He has tachycardia, hypertension,
and hyperthermia. Based on these findings, intoxication with which
substance is most likely? - ANSWER ✔ Ecstasy
EXAM STUDY GUIDE 2026 COMPLETE
QUESTIONS WITH CORRECT DETAILED
ANSWERS || 100% GUARANTEED PASS
<LATEST VERSION>
1. Which type of shock causes a temporary loss of motor, sensory, and reflex
functions below the level of a lesion? - ANSWER ✔ Spinal shock
2. 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
3. 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. - ANSWER ✔ D.
4. Parasympathetic stimulation slows sinoatrial node discharge. Sympathetic
stimulation enhances atrioventricular node function, shortens His-Purkinje
and ventricular muscle refractoriness, and increases peripheral vascular
resistance.
,5. Hypertension is a finding in which type of poisoning?
A. Opioid
B. Antidepressant
C. Anticholinergic
D. Organophosphate - ANSWER ✔ C
6. 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).
7. For which disorder is phenazopyridine (Pyridium) most commonly
administered? - ANSWER ✔ D. Urethritis
8. Rhabdomyolysis is a complication of which type of toxicity?
A. Central nervous system stimulant
B. Opiate
C. Tricyclic antidepressant
D. Calcium channel blocker - ANSWER ✔ A. Central nervous system
stimulant
,9. 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.
10.For which disorder is phenazopyridine (Pyridium) most commonly
administered? - ANSWER ✔ D. Urethritis
11.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
12.When a patient is in the compensatory stage of shock, the body
preferentially maintains blood flow to which organs? - ANSWER ✔ heart
and brain
13.Which laboratory test result should the nurse expect in a patient with
alcoholic ketoacidosis? - ANSWER ✔ Below normal to slightly elevated
serum glucose level
14.In substance abuse, which chemical is primarily responsible for alterations in
neurotransmission? - ANSWER ✔ Dopamine
15.What is the most commonly used illegal substance in the United States? -
ANSWER ✔ Marijuana
, 16.Which cardiovascular disorder is most commonly associated with cocaine
abuse? - ANSWER ✔ Acute coronary syndrome (ACS)
17.Which intervention is most important in managing a patient who has
ingested or abused an unknown substance? - ANSWER ✔ Establish and
maintain an airway.
18.Which complication is associated with heroin abuse? - ANSWER ✔
bacterial endocarditis
19.Which intoxicant is most likely to be abused by a preteen? - ANSWER ✔
Inhalants
20.Which abused substance belongs to the depressant drug class? - ANSWER
✔ Alcohol
21.You should expect to administer naloxone (Narcan) to patients who have
taken which substance? - ANSWER ✔ Heroin
22.After partying at a nightclub, a college student is brought to the ED by his
roommates. The patient states he's "high." He has tachycardia, hypertension,
and hyperthermia. Based on these findings, intoxication with which
substance is most likely? - ANSWER ✔ Ecstasy
