This substance coats the alveoli to help keep them open.
Surfactant
100
Which disorder is a factor in approximately 50 percent of all suicides?
Depression
100
The path or motion of a projectile during its travel is called...
Trajectory
100
Your patient was slashed with a knife and has a flap of skin hanging from his arm. This is known as a/n:
Avulsion
100
What should you place on a burn that covers more than 10 percent of your patient's body?
A burn sheet
200
When a person dives into cold water, the mammalian diving reflex is believed to help prevent death. The diving reflex works by...
diverting oxygen to the heart and brain, where it is needed most.
200
When you are approaching a patient, if you determine there is a potential for violence, what should you do?
Call the police.
200
The path or motion of a projectile during its travel is called
Acceleration
200
You should cover an open chest wound with a/n:
Occlusive Dressing
200
What term is used for a burn that wraps around an entire body surface?
Circumfrential
300
If gastric distention interferes with the ventilation of a patient, relieve the distention by:
epigastric pressure
300
A patient who is suffering debilitating distortions of speech and thought, bizarre delusions, and hallucinations is suffering from...
Schizophrenia.
300
Head injuries and chest injuries such as flail chest, blunt cardiac injury, and aortic tears commonly result from which pathway in an automobile collision?
Up and over pathway
300
External venous hemorrhage can almost always be, and is preferred to be, controlled by:
External pressure. (Only use a tourniquet if direct pressure does not stop the bleeding.)
300
The tough, leathery dead soft tissue that forms after a full-thickness burn is called:
Eschar.
400
If a diver ascends too quickly and nitrogen starts to re-expand into the tissues, what is this called?
Decompression sickness
400
Why might a situation where a patient has committed suicide be a potentially unsafe scene for EMS providers? (HINT: Think MOI)
The suicide mechanism itself may create an unsafe scene.
400
During an accident, when the vehicle's airbag deploys, it can cause injuries to the____.
Head
400
The swelling of the upper airway as a result of inhalation of hot gases would be considered what type of burn mechanism?
Gas Burn
500
What is the name of the syndrome that occurs when air pressure in the body's cavities becomes too great during an ascent from depth, and results in pain to the sinuses or middle ear?
"The Squeeze"
500
Why should a patient never be restrained in the prone position?
It can be the cause of positional asphyxia and lead to cardiac arrest.
500
A lap belt that is worn too high can cause spinal fractures and compression of what structures?
Abdominal structures
500
Which set of steps, in order, is BEST for controlling bleeding?
Direct pressure, pressure dressing, and tourniquet
500
If a child pulled a boiling pot of water off the stove and was burned by it, what type of burn mechanism would this be?