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TNCC STUDY GUIDE QUESTIONS WITH CORRECT ANSWERS.
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TNCC STUDY GUIDE QUESTIONS WITH CORRECT ANSWERS.
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TNCC STUDY GUIDE QUESTIONS WITH CORRECTANSWERS.
What roles are vital to a trauma team ANS -The patient
Team leader-organize team/empower members
core team-technical skills- airway/vascular access
contingency and support survices- RT
Characterisitcs of an effective team ANS -dynamic
interdependent
adaptive
common goal
COMMUNICATION
COOPERATION
COORDINATION
Kinematics ANS -study of energy transfer as it applies to identifying actual or potential injuries
Biomechanics ANS -general study of forces and their effects
mechanism of injury ANS -how external energy forces in the environment are transferred to the body
Newtons 3 laws ANS -1. an object in motion will stay in motion
2. force = mass x acceleration
3. for every action there is an equal and opposite reaction
,5 forms of energy that exist ANS -1. Mechanical- energy transfer from one object to another in form of
motion
2. thermal-heat transfer from environment to host
3. chemical- heat energy trnsfer from active chemical substances such as chlorine, drain cleaner, acids
4. electrical- energy transfer from light socket
5. radiant- energy transfer from blast sound waves, nuclear, rays from the sn
eternal forces in trauma ANS -1. deceleartion- falls and collison = sudden stop
2. acceleration- sudden onset of motion- hit by a car
3. compression- hit stationary objects; bullets; blast forces
internal forces of energy in trauma ANS -stress- internal force that resists external force
solid organs good at pressure wave energy
air organs better at shear forces
4 main types of traumatic injury ANS -1. blunt trauma- falls; mvc; trauma
2. penetrating- stabing; GSW
3. Thermal
4. Blast Trauma- bomb
deceleration vs acceleration forces ANS --Deceleration: injury that occurs as pt slows down
,acceleration injury: injury that occurs as a result of other parts of the body stopping before the organs
do (concussion; shearing of aorta)
environment and pathophysiology when MOI is a fal ANS --point of impact on the body
-type of surface that is hit
-tissues ability to resist injury (bone is less flexible)
-pt pushed = more acceleration
3 impacts in a MVC ANS -1. vehicle hits another object: occupant = acceleration
2. occupant collides with interior of vehicle: internal organs continue
3. internal structure collide with body
5 mechanisms of injury in a blast trauma ANS -Primary: blast injury; air-filled organs at risk to rupture
secondary: fragment injuries; puncture wounds; lacerations
tertiary: impacts with larger objectes propelled by the blast win causing blunt trauma
quaternary: heat/flame/gas and smoke
quinary: exposure to hazardous materials (radioactive)
Haddon Matrix in prevention and reduction of injury ANS -places emphasis on countermeasures at
preventing injury more than changing human behvior such as airbags, vehicle design and road blueprints
why is there repeated emphasis on assessment for hemorrhage through the initial emphasis ANS -
uncontrolled hemorrhage is teh majore causae of preventable death after injury
, Which tool can be used to rapidly assess the level of consciousness during the A - Airway and Alertness
step?
Why is it important to determine alertness along with airway? What are the components of this tool?
ANS -A- alert
*any below here may have compromised airway
V- verbal stimuli
P-painful stimuli
U- unresponsive
Which method of opening the airway is recommended for use in trauma? ANS -Jaw thrust maneuver w/
one provider stabilizing c-spine
Assessment of airway ANS -Insect for tongue obstruction; loose/missing teeth;
foreign objects;
blood, vomit, secretion;
edema
inhalation injury;
listen for gurgling/snoring/stridor;
palpate for occlusive maxillofacial bony deformity; subcutaneous emphysema
Describe the current guidelines for volume resuscitation in hemorrhagic shock. ANS -2 large bore IVs
1-2L fluid warmed flui
replace what is lost
Exposure and environmental control is included in the Primary Survey. Why is it such a high priority?
ANS -Hypothermia, hypotension, and acidosis can lead to DIC. Important to prevent hypothermia
Get resuscitation adjuncts (LMNOP) ANS -L- labs (lactic acid, ABG, type and cross)
M- monitor cardiac and rhythm
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