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Core Domains
Kinematics of Trauma: Analysis of energy transfer and injury patterns.
Airway and Ventilation Management: Advanced oxygenation and ventilation strategies
in multi-system trauma.
Shock and Resuscitation: Pathophysiology of hemorrhage and evidence-based fluid
resuscitation.
Abdominal and Thoracic Trauma: Identification and management of life-threatening
internal injuries.
Neurotrauma: Management of Traumatic Brain Injury (TBI) and spinal cord protection.
Special Populations: Tailoring trauma care for pediatric, geriatric, and obstetric patients.
Golden Period & Transport Decision Making: Critical thinking in scene time and
destination selection.
Introduction
,This comprehensive evaluation is designed to challenge the clinical synthesis and diagnostic
reasoning of prehospital practitioners. Moving beyond simple recall, this assessment focuses
on the application of the PHTLS 9th Edition philosophy: identifying the greatest threat to life
first. Candidates must navigate high-fidelity scenarios involving complex kinematics, occult
hemorrhaging, and compromised airways where standard protocols meet the unpredictability of
the field. By evaluating the ability to prioritize interventions under pressure, this exam ensures
that the provider can move from basic algorithmic thinking to the sophisticated evaluation of
multi-system trauma, optimizing patient outcomes during the critical golden period.
1. A 28-year-old male was unrestrained in a high-speed lateral impact collision. He is
conscious but tachypneic with diminished breath sounds on the left. Blood pressure is
90/60 mmHg and falling. You note jugular venous distention and tracheal deviation to the
right. What is the most immediate priority?
A. Perform endotracheal intubation
B. Perform needle decompression in the second intercostal space
C. Rapid transport to a Level 1 Trauma Center
D. Infuse 2 liters of isotonic crystalloid
Correct Answer: Perform needle decompression in the second intercostal space
Rationale: The patient exhibits the classic triad of tension pneumothorax: hypotension,
diminished breath sounds, and JVD. Tracheal deviation is a late sign. Immediate
decompression is required to relieve intrathoracic pressure and restore cardiac output.
Fluid resuscitation or intubation without addressing the pressure will not correct the
underlying obstructive shock.
,2. You are treating a victim of a motorcycle crash with an open femur fracture and active,
spurting bright red blood. The patient is pale and diaphoretic. What is the most appropriate
first step in hemorrhage control according to PHTLS 9th edition?
A. Apply a sterile pressure dressing
B. Locate the pressure point at the femoral artery
C. Apply a high-and-tight commercial tourniquet
D. Elevate the extremity and apply ice
Correct Answer: Apply a high-and-tight commercial tourniquet
Rationale: In the presence of life-threatening external hemorrhage (exsanguination), the
PHTLS "X-A-B-C" approach dictates that massive bleeding is controlled first. For extremity
trauma where direct pressure is unlikely to be sufficient or would delay care, a tourniquet
is the primary intervention.
3. An elderly patient fell down a flight of stairs and is found in a tripod position, using
accessory muscles to breathe. Paradoxical movement is noted on the right side of the
chest. The patient is coughing up small amounts of blood. What is the primary
physiological concern?
A. Myocardial contusion
B. Pulmonary contusion and hypoxia
C. Simple rib fractures
D. Traumatic asphyxia
Correct Answer: Pulmonary contusion and hypoxia
Rationale: Paradoxical chest wall movement indicates a flail chest. While the fractures
, themselves are painful, the underlying pulmonary contusion is the primary threat to life as
it severely impairs gas exchange and leads to progressive hypoxia.
4. A construction worker fell 20 feet and landed on his feet. He complains of severe back
pain and "shattered" heels. Which injury pattern is most likely due to the mechanism of
energy transfer?
A. Cervical spine fracture
B. Axial loading causing lumbar burst fractures
C. Bilateral pelvic ring disruption
D. Traumatic aortic dissection
Correct Answer: Axial loading causing lumbar burst fractures
Rationale: The "Don Juan" syndrome occurs when energy from a vertical fall is
transmitted from the calcaneus through the long bones to the spine. Lumbar fractures
(specifically T12-L2) are highly common due to axial loading in this mechanism.
5. A 45-year-old female is found in a cold environment after a vehicle rollover. She is
lethargic, with a heart rate of 50 bpm and a blood pressure of 100/70. Why is preventing
further heat loss a priority in this trauma patient?
A. To prevent the onset of the trauma triad of death
B. To improve the patient's comfort level
C. To reduce the metabolic rate of the brain
D. To prevent shivering, which uses too much oxygen
Correct Answer: To prevent the onset of the trauma triad of death
Rationale: Hypothermia, acidosis, and coagulopathy form the "triad of death."