ENA Environmental Emergencies Study Guide 2026 | Emergency
Nursing Review & Exam Prep
What is the most serious and dangerous diving emergency?
A. Arterial gas embolism
B. Decompression sickness
C. Nitrogen narcosis
D. The squeeze - correct answer ✔✔A. Arterial gas embolism
What is the cause of heat exhaustion?
A. Exposure to high ambient temperatures
B. Prolonged heat exposure, usually over hours or days
C. The consumption of too much water on a hot day
D. Exposure to rapid changes in temperature - correct answer ✔✔B. Prolonged heat exposure,
usually over hours or days
In the emergency department, resuscitation of a drowning victim emphasizes stabilization of
airway, breathing, and circulation and which intervention?
A. Rewarming
B. Rapid cooling
C. Administering a fluid bolus of normal saline solution
D. Administering sodium bicarbonate - correct answer ✔✔A. Rewarming
Which factor indicates a poor prognosis for a drowning victim?
A. Glasgow Coma Scale score of 8
B. Consumption of a meal immediately before drowning occurred
C. Drowning that occurred in saltwater
, D. Submersion for more than 5 minutes - correct answer ✔✔D. Submersion for more than 5
minutes
Which bite has the greatest chance of becoming infected?
A. Dog bite
B. Cat bite
C. Lizard bite
D. Human bite - correct answer ✔✔D. Human bite
What is the definitive treatment for decompression sickness?
A. Endotracheal intubation
B. Rewarming
C. Hyperbaric oxygen therapy
D. Bilateral chest tube placement - correct answer ✔✔C. Hyperbaric oxygen therapy
What is the initial treatment for a bee sting?
A. Removal of the stinger
B. Oral administration of diphenhydramine (Benadryl)
C. Oxygen administration via a nonrebreather mask
D. Ice pack application to the site - correct answer ✔✔A. Removal of the stinger
What is the most common diving emergency?
A. Arterial gas embolism
B. Decompression sickness
C. Nitrogen narcosis
D. The squeeze - correct answer ✔✔B. Decompression sickness
Nursing Review & Exam Prep
What is the most serious and dangerous diving emergency?
A. Arterial gas embolism
B. Decompression sickness
C. Nitrogen narcosis
D. The squeeze - correct answer ✔✔A. Arterial gas embolism
What is the cause of heat exhaustion?
A. Exposure to high ambient temperatures
B. Prolonged heat exposure, usually over hours or days
C. The consumption of too much water on a hot day
D. Exposure to rapid changes in temperature - correct answer ✔✔B. Prolonged heat exposure,
usually over hours or days
In the emergency department, resuscitation of a drowning victim emphasizes stabilization of
airway, breathing, and circulation and which intervention?
A. Rewarming
B. Rapid cooling
C. Administering a fluid bolus of normal saline solution
D. Administering sodium bicarbonate - correct answer ✔✔A. Rewarming
Which factor indicates a poor prognosis for a drowning victim?
A. Glasgow Coma Scale score of 8
B. Consumption of a meal immediately before drowning occurred
C. Drowning that occurred in saltwater
, D. Submersion for more than 5 minutes - correct answer ✔✔D. Submersion for more than 5
minutes
Which bite has the greatest chance of becoming infected?
A. Dog bite
B. Cat bite
C. Lizard bite
D. Human bite - correct answer ✔✔D. Human bite
What is the definitive treatment for decompression sickness?
A. Endotracheal intubation
B. Rewarming
C. Hyperbaric oxygen therapy
D. Bilateral chest tube placement - correct answer ✔✔C. Hyperbaric oxygen therapy
What is the initial treatment for a bee sting?
A. Removal of the stinger
B. Oral administration of diphenhydramine (Benadryl)
C. Oxygen administration via a nonrebreather mask
D. Ice pack application to the site - correct answer ✔✔A. Removal of the stinger
What is the most common diving emergency?
A. Arterial gas embolism
B. Decompression sickness
C. Nitrogen narcosis
D. The squeeze - correct answer ✔✔B. Decompression sickness
