Online Exam 8 (Soft Tissue, Burns, Kinematics) Flashcards
The term for the forces that act upon a person’s body to cause injury is:
force of energy
mechanism of injury
kinematics of injury
potential injury
mechanism of injury
The EMT-B should consider any fall in excess of ____ feet as significant.
9
standing
10
15
15
Newton’s second law says:
Objects in motion will come to rest and then stay at rest
Force equals mass times acceleration
For every action, there is an equal and opposite reaction
Objects at rest tend to stay at rest, and objects in motion tend to stay in motion unless acted upon by some force.
Force equals mass times acceleration
Newton’s third law says:
Objects at rest tend to stay at rest, and objects in motion tend to stay in motion unless acted upon by some force.
Objects in motion will come to rest and then stay at rest
For every action, there is an equal and opposite reaction
Force equals mass times acceleration
For every action, there is an equal and opposite reaction
Use of a shoulder harness without a lap belt can result in:
whiplash injuries
submarining injuries
upper extremity injuries
thoracic displacement
submarining injuries
Which of the following collisions is most likely to produce the greatest amount of kinetic energy?
A pickup truck traveling 25 mph
A mid-sized car traveling 50 mph
A large sedan traveling 35 mph
A compact car traveling 70 mph
A compact car traveling 70 mph
A good rule to use when evaluating the significance of a pediatric fall is to use the guide:
falls greater than 4 times the child’s height are significant
falls greater than 3 times the child’s height are significant
falls greater than 5 times the child’s height are significant
falls greater than 2 times the child’s height are significant
falls greater than 3 times the child’s height are significant
A calcaneous fracture in a patient suffering from a long fall with a landing on their feet is likely to produce:
a dislocated hip
lumbar spine injuries
patellar injuries
bilateral forearm fractures
lumbar spine injuries
In the pulmonary circulatory system, deoxygenated blood leaves the heart and travels to the lungs via the:
superior vena cava
pulmonary artery
pulmonary vein
aorta
pulmonary artery
What type of bleeding often clots spontaneously?
lymphatic
venous
arterial
capillary
capillary
Which is the best device to use as a tourniquet?
belt
wire
blood pressure cuff
bandage 1-inch wide and 8 layers thick
blood pressure cuff
Suspicion of internal bleeding should NOT be based on:
clinical signs and symptoms
hypertension
hypotension
mechanism of injury
hypertension
Which of the following is a guideline for the use of tourniquets?
A narrow tourniquet is more effective than a wide one
Apply and release a tourniquet every 15 min. if your transport time is longer than 60 min
Apply tourniquets over the joint most proximal to the amputation
Never cover a tourniquet with a bandage or clothing
Never cover a tourniquet with a bandage or clothing
Which of the following signs or symptoms can be a late indicator of shock?
restlessness
nausea, vomiting
decreased thirst
labored, irregular breathing
labored, irregular breathing
Which of the following signs or symptoms shows changes early in the hypoperfused patient?
agitation
cyanosis
falling blood pressure
dilated pupils
falling blood pressure