PMED CH 32 EXAM ANSWERED
CORRECTLY
A burn caused by a sodium metal should be treated by:
A) administering calcium chloride.
B) covering the burn wound with oil.
C) applying a moist, sterile dressing.
D) irrigating the wound with water - Answer-B
The outer zone of an entrance or exit wound caused by a contact electrical burn is:
A) the red zone of coagulation necrosis.
B) simply caused by local inflammation.
C) a charred area of full-thickness burn.
D) characterized by cold, gray, dry tissue. - Answer-A
Relative to the entrance wound caused by an electrical burn, the exit wound:
A) is a predictor of internal injury.
B) heals without surgical intervention.
C) is often much smaller in diameter.
D) can be quite extensive and deep. - Answer-D
Victims standing near an object that is struck by lightning:
A) most commonly experience blast-type injuries.
B) often have burns characterized by a feathering pattern.
C) typically experience intractable ventricular fibrillation.
D) experience full-thickness burns that require debridement. - Answer-B
Cardiac arrest following an electrical shock:
A) typically presents as pulseless atrial fibrillation or atrial flutter.
B) is most often caused by an electrical current stronger than 1 ampere.
C) may occur secondarily from hypoxia or as a direct result of the shock.
D) is typically of short duration and is often reversed with 2 minutes of CPR. - Answer-C
Damage to the kidneys following an electrical injury:
A) is caused by excess serum potassium levels.
B) occurs when damaged muscle produces myoglobin.
C) can be prevented with boluses of lactated Ringer's.
D) is the result of electricity passing through the kidneys. - Answer-B
The two MOST common causes of death from an electrical injury are:
, A) asphyxia and cardiopulmonary arrest.
B) full-thickness burns and respiratory arrest.
C) nervous system damage and massive sepsis.
D) myoglobinuria and diaphragmatic paralysis. - Answer-A
Most lightning-related injuries occur when the victim:
A) experiences a direct hit while standing in a large open area.
B) is talking on a phone and a utility pole is struck by lightning.
C) is attempting to escape an oncoming thunderstorm by running.
D) receives a "splash" effect after lightning strikes a nearby object. - Answer-D
Which of the following locations would provide the BEST protection from a lightning
strike?
A) An open shed or lean-to
B) A spot at least 5 miles away from the storm
C) Curled up in a ball in an open area
D) A car with the windows rolled up - Answer-D
After an adult victim is struck by lightning and experiences cardiac arrest:
A) 5 minutes of CPR generally restores a pulse.
B) perform a compression to ventilation ratio of 15:2.
C) his or her heart may resume beating spontaneously.
D) the ECG usually shows an organized cardiac rhythm. - Answer-C
The majority of victims struck by lightning:
A) die within the first 24 hours following the injury.
B) experience confusion and some degree of amnesia.
C) require only short periods of ventilatory support.
D) are permanently paralyzed due to a spinal cord injury. - Answer-B
Compared to beta radiation particles, alpha radiation particles:
A) have minimal penetrating energy.
B) easily pass through solid materials.
C) are able to travel much farther in air.
D) are not dangerous if they are ingested. - Answer-A
________ radiation is very penetrating and easily passes through the body and solid
materials.
A) Alpha
B) Beta
C) Gamma
D) Ionizing - Answer-C
Many of the physiologic changes caused by acute radiation syndrome:
A) can be reversed if chemotherapy is administered within 24 hours.
B) occur over time and will not be apparent in the prehospital setting.
CORRECTLY
A burn caused by a sodium metal should be treated by:
A) administering calcium chloride.
B) covering the burn wound with oil.
C) applying a moist, sterile dressing.
D) irrigating the wound with water - Answer-B
The outer zone of an entrance or exit wound caused by a contact electrical burn is:
A) the red zone of coagulation necrosis.
B) simply caused by local inflammation.
C) a charred area of full-thickness burn.
D) characterized by cold, gray, dry tissue. - Answer-A
Relative to the entrance wound caused by an electrical burn, the exit wound:
A) is a predictor of internal injury.
B) heals without surgical intervention.
C) is often much smaller in diameter.
D) can be quite extensive and deep. - Answer-D
Victims standing near an object that is struck by lightning:
A) most commonly experience blast-type injuries.
B) often have burns characterized by a feathering pattern.
C) typically experience intractable ventricular fibrillation.
D) experience full-thickness burns that require debridement. - Answer-B
Cardiac arrest following an electrical shock:
A) typically presents as pulseless atrial fibrillation or atrial flutter.
B) is most often caused by an electrical current stronger than 1 ampere.
C) may occur secondarily from hypoxia or as a direct result of the shock.
D) is typically of short duration and is often reversed with 2 minutes of CPR. - Answer-C
Damage to the kidneys following an electrical injury:
A) is caused by excess serum potassium levels.
B) occurs when damaged muscle produces myoglobin.
C) can be prevented with boluses of lactated Ringer's.
D) is the result of electricity passing through the kidneys. - Answer-B
The two MOST common causes of death from an electrical injury are:
, A) asphyxia and cardiopulmonary arrest.
B) full-thickness burns and respiratory arrest.
C) nervous system damage and massive sepsis.
D) myoglobinuria and diaphragmatic paralysis. - Answer-A
Most lightning-related injuries occur when the victim:
A) experiences a direct hit while standing in a large open area.
B) is talking on a phone and a utility pole is struck by lightning.
C) is attempting to escape an oncoming thunderstorm by running.
D) receives a "splash" effect after lightning strikes a nearby object. - Answer-D
Which of the following locations would provide the BEST protection from a lightning
strike?
A) An open shed or lean-to
B) A spot at least 5 miles away from the storm
C) Curled up in a ball in an open area
D) A car with the windows rolled up - Answer-D
After an adult victim is struck by lightning and experiences cardiac arrest:
A) 5 minutes of CPR generally restores a pulse.
B) perform a compression to ventilation ratio of 15:2.
C) his or her heart may resume beating spontaneously.
D) the ECG usually shows an organized cardiac rhythm. - Answer-C
The majority of victims struck by lightning:
A) die within the first 24 hours following the injury.
B) experience confusion and some degree of amnesia.
C) require only short periods of ventilatory support.
D) are permanently paralyzed due to a spinal cord injury. - Answer-B
Compared to beta radiation particles, alpha radiation particles:
A) have minimal penetrating energy.
B) easily pass through solid materials.
C) are able to travel much farther in air.
D) are not dangerous if they are ingested. - Answer-A
________ radiation is very penetrating and easily passes through the body and solid
materials.
A) Alpha
B) Beta
C) Gamma
D) Ionizing - Answer-C
Many of the physiologic changes caused by acute radiation syndrome:
A) can be reversed if chemotherapy is administered within 24 hours.
B) occur over time and will not be apparent in the prehospital setting.
