SSM TCAR Review Exam Study Guide Questions
with Detailed Answers 2025
What are the definitive options for pelvic fracture stabilization and hemorrhage
control? -Correct Answer ✔External Fixation
Interventional Radiology
Open reduction & Internal fixation
How are closed mid-shaft femur fractures managed? -Correct Answer
✔Intramedullary nail fixation
What makes a fracture comminuted? -Correct Answer ✔The bone is in multiple
pieces
Physiologic criteria for trauma center care? -Correct Answer ✔SBP<90
Resp rate <10 or >29
GCS <14
What is Kinematics? -Correct Answer ✔The process of predicting potential
injuries based on analysis of the forces involved
Dose of energy is? -Correct Answer ✔The nature and amount of force
Characteristic of wounding agent? -Correct Answer ✔Type of energy and how it
was applied
Force -Correct Answer ✔The dose of energy involved
Which gender is the majority of trauma? -Correct Answer ✔Male
Incidence of trauma peaks at what age? -Correct Answer ✔Teens and young adult
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,SSM TCAR
Blunt trauma Classifications include? -Correct Answer ✔MVA
Auto vs. pedestrian
Falls
Struck by or against an object
Trauma mortality based on organ system failure? -Correct Answer ✔1 organ
system failure=4%
2 organ system failures=32%
3 organ system failures=67%
4 organ system failures=90%
What are the four collisions? -Correct Answer ✔1. The vehicle
2. The occupants
3. The internal organs
4. The secondary impacts
Energy transmission in a rollover depends on? -Correct Answer ✔Deceleration
distance
Energy is dissipated over the distance of the roll and whether or not the occupants
are restrained
Car vs pedestrian injuries depend on? -Correct Answer ✔Point of contact with the
care
Height of hood & bumper
Size & weight of vehicle
Height of patient
Direction patient was facing when struck
What is the most common mechanism of injury in all age groups? -Correct Answer
✔Falls
Factors predicting fall injuries are? -Correct Answer ✔Fall height (velocity)
Landing surface (deceleration distance)
Point of impact on the body
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, SSM TCAR
Wound ballistics- permanent cavity -Correct Answer ✔Cavity is the a function of
the size, shape, and characteristic of the missile (mass)
For every second of fall time, speed increases by? -Correct Answer ✔Speed
increases by approximately 20 MPH
Define Shock? -Correct Answer ✔A state in which cellular oxygen demand
exceeds supply
When the cost of tissue oxygen is higher than the body can pay, an oxygen debt
develops.
Types of shock per TCAR? -Correct Answer ✔Pumps-Site of defect heart
Pipes- site of defect is artery, veins or capillaries
Fluid-intravascular, interstitial or intracellular
VS in shock? -Correct Answer ✔Narrow pulse pressure
Tachycardia
Low CO
How many ATP molecules are produced with oxygen & glucose? -Correct Answer
✔32 ATP molecules
How many ATP molecules are produced without oxygen? -Correct Answer ✔2
ATP molecules
Normal pH? -Correct Answer ✔Refernce range is 7.35-7.45, but actual normal
range is 7.38-7.42
What is the footprint of shock? -Correct Answer ✔Lactic Acidosis
What 2 things affect the amount of oxygen availalbe to the cells? -Correct Answer
✔Temperature & pH, which is the oxyhemoglobin dissociation curve
SSM TCAR