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PHTLS PRE & POST EXAM QUESTIONS WITH COMPLETE
SOLUTIONS GUARANTEED PASS BRAND NEW 2025
The displacement of tissue away from the path of a projectile, both temporarily and permanently, is known as: A. Conization B. Cavitation C. Crepitation D. Contusion - ANSWER>>>B. Cavitation The single most important factor in determining the potential for injury due to energy exchange is: A. Mass of the bodies involved B. Velocity of the bodies involved C. Density of the tissues involved D. Surface area of the impact involved - ANSWER>>>B. Velocity of the bodies involved In the management of shock, isotonic crystalloid solutions, such as Ringer's, are preferred because:
A. The protein molecules in crystalloid solutions act as volume expanders B. These fluids draw interstitial fluid into the vascular space to enhance volume C. These solutions will stay in the vascular space longer than water solutions, such as D5W D. Their pH enhance oxygen delivery to the tissues - ANSWER>>>C. These solutions will stay in the vascular space longer than water solutions, such as D5W With respect to the distance of a fall, which of the following is a guideline for determining a critical fall? A. 3 times the height of the patient B. 2 times the height of the patient C. 5 times the height of the patient D. 1 ½ times the height of the patient - ANSWER>>>A. 3 times the height of the patient The phase of an explosion, or blast, in which hollow organs are squeezed and may rupture is called the __________ phase. A. Tertiary phase
threats to life, prepare the patient for transport and begin transport is _________? A. 5 minutes B. 10 minutes C. 15 minutes D. 30 minutes - ANSWER>>>B. 10 minutes In which of the following situations is the use of a short spinal immobilization device indicated? A. 28 year old male, unrestrained driver in a frontal impact crash. Awake, asks repeatedly what happened, complains of a headache, has a hematoma on his forehead. BP 122/84, HR 92, VR 20. B. 40 year old female who was pushed down a flight of stairs and is lying prone on the landing between two flights of stairs, complaining of back pain. BP 118/78, HR 100, VR 20. C. 17 year old female, restrained driver in a frontal impact crash. Awake, pale and diaphoretic, complains of upper right quadrant abdominal pain. BP 100/70, HR 108, VR 20. D. None of the above - ANSWER>>>D. None of the above
Your patient is a 32 year old man, restrained driver of a vehicle that has been involved in a frontal impact with a concrete bridge abutment. The patient is awake, but has difficulty ANSWERing questions due to shortness of breath. His ventilatory rate is 30 per minute. Of the following choices, when is the first time the patient's breath sounds should be checked? A. As soon as he is removed from the vehicle B. Prior to being removed from the vehicle C. As soon as he is immobilized on a long backboard D. Enroute to the trauma center - ANSWER>>>B. Prior to being removed from the vehicle Which of the following represents adequate spontaneous ventilation in an adult? A. Tidal volume 100 mL, ventilatory rate 40/minute B. Tidal volume 500 mL, ventilatory rate 8/minute C. Tidal volume 300 mL, ventilatory rate 16/minute D. Tidal volume 600 mL, ventilatory rate 12/minute - ANSWER>>>D. Tidal volume 600 mL, ventilatory rate 12/minute
C. Inability to feel lung compliance D. All of the above - ANSWER>>>D. All of the above Which of the following procedures is considered an essential airway skill? A. Needle cricothyroidotomy B. Endotracheal intubation C. Insertion of an oropharyngeal airway D. Retrograde endotracheal intubation - ANSWER>>>C. Insertion of an oropharyngeal airway Pericardial tamponade is most likely to occur in which of the following situations? A. Stab wound to the chest B. Fall from a height C. Frontal impact vehicle crash D. Gunshot wound to the chest - ANSWER>>>A. Stab wound to the chest Which of the following is the preferred site for needle decompression of a tension pneumothorax?
A. 4th intercostal space, midclavicular line, just over the top of the 5th rib B. 4th intercostal space, midclavicular line, just below the 4th rib C. 2nd intercostal space, midclavicular line, just over top of the 3rd rib D. 2nd intercostal space, midclavicular line, just below the 2nd rib
- ANSWER>>>C. 2nd intercostal space, midclavicular line, just over top of the 3rd rib Which of the following is the mechanism by which pulmonary contusion interferes with oxygenation? A. Inability to generate negative intrapleural pressure B. Decrease in vital capacity due to collapse of the flail segment C. Increased intrathoracic pressure D. Blood and fluid in the alveoli and interstitial spaces of the lung - ANSWER>>>D. Blood and fluid in the alveoli and interstitial spaces of the lung Your patient is a 55 year old male who was struck in the right side of the chest with a piece of steel pipe. He presents with uncooperative behavior, his skin is pale and moist, the ventilatory
D. "Paper bag" syndrome of the lungs - ANSWER>>>B. Ruptured diaphragm Which of the following is NOT a component of the Fick Principle? A. Adequate number of platelets in the blood B. Oxygenation of red blood cells C. Transportation of red blood cells to the tissues of the body D. Off-loading oxygen from the red blood cells to the tissues - ANSWER>>>A. Adequate number of platelets in the blood One of the earliest signs of hypovolemic shock is: A. Hypotension B. Bradycardia C. Anxiety D. Reduced urine output - ANSWER>>>C. Anxiety Which of the following characterizes the washout phase of shock? A. Systemic acidosis B. Localized tissue acidosis C. Edema
D. Reduced capillary blood flow - ANSWER>>>A. Systemic acidosis A trauma patient who has fallen 20 feet from an apartment balcony is alert with warm, dry, pink skin, with normal capillary refilling time to the lower extremities, and is hypotensive. The upper extremities are cool, pale and diaphoretic. Which of the following injuries should be suspected? A. Aortic dissection B. Liver laceration C. Fractured pelvis D. Spinal cord injury - ANSWER>>>D. Spinal cord injury Which of the following is a limitation of prehospital fluid resuscitation of the patient in hemorrhagic shock? A. Inability of fluids to carry oxygen B. Pulmonary edema C. Increased hemorrhage D. All of the above - ANSWER>>>D. All of the above
Pregnant trauma patients should be placed on the left side because: A. This prevents seizures due to eclampsia B. This prevents abruption of the placenta C. This prevents compression of the vena cava D. This is the best way to auscultate fetal heart tones - ANSWER>>>C. This prevents compression of the vena cava Survival of the fetus in a trauma situation is most dependent upon which of the following factors? A. Gestational age of the fetus B. Prenatal care C. Immediate cesarean section D. Good resuscitation of the mother - ANSWER>>>D. Good resuscitation of the mother A patient struck in the back of the head with a baseball bat may sustain a cerebral contusion to which area of the brain?
A. Frontal and occipital B. Occipital C. Parietal D. Frontal - ANSWER>>>B. Occipital (probably too low velocity for Coup & Contre Coup) In the context of the caring for an adult patient with traumatic brain injury who is deteriorating and exhibiting signs of herniation, hyperventilation means ventilating with a BVM and 100% oxygen at a rate of: A. 12 to 16 per minute B. 32 to 40 per minute C. 8 to 12 per minute D. 20 per minute - ANSWER>>>D. 20 In the United State, which of the following mechanisms most frequently causes spinal cord injury in adults? A. Shallow water diving B. Vehicle crashes C. Falls
A traction splint may be used for which of the following injuries? A. Knee dislocation B. Pelvic fractures C. Femur fractures D. All of the above - ANSWER>>>C. Femur fractures Which of the following descriptions meets the criteria for transport to a facility with a burn unit? A. A 49 year old female with a partial thickness burn from her elbow to her shoulder B. A 25 year old male with an electrical burn across his chest C. A 9 year old make with superficial burns on the backs of both legs D. A 32 year old female with a partial thickness burn about twice the size of her hand on her back - ANSWER>>>B. A 25 year old male with an electrical burn across his chest The preferred method of dressing burns in the prehospital setting is:
A. Dry sterile dressing B. Moist sterile dressing C. Wet dressings D. Petroleum gauze - ANSWER>>>A. Dry sterile dressing In assessing the hypothermic patient in the prehospital setting, the most reliable indicator of the severity of hypothermia is: A. Rectal temperature B. Oral temperature C. Heart rate < 60 D. Presence or absence of shivering - ANSWER>>>A. Rectal temperature In the normal child, which general statement is most accurate in comparison with the adult patient? A. Blood pressure is higher, hear rate is higher, and ventilatory rate is higher B. Blood pressure is lower, heart rate is lower, and ventilatory rate is higher
D. Posterior fibula - ANSWER>>>C. Anterior tibia, just below the tibial tuberosity Which of the following behaviors is the most reliable indication of confusion in the elderly trauma patient? A. Inability to recall his/her name B. Inability to recall the day of the week C. Inability to identify his/her present location when out of his/her normal residence D. Focus on repeated retelling of events that occurred years ago - ANSWER>>>A. Inability to recall his/her name In the elderly trauma patient a high index of suspicion for shock should occur beginning when the systolic blood pressure is less than: A. 90 mmHg B. 150 mmHg C. 120 mmHg D. 100 mmHg - ANSWER>>>C. 120 mmHg
In an adult patient, blood loss into the tissue from a fractured femur may be as much as which of the following? A. 150 to 500 mL B. 500 to 1000 mL C. 1000 2000 mL D. 2500 to 5000 mL - ANSWER>>>C. 1000 2000 mL Delayed death due to trauma is usually a result of: A. Biochemical and pathophysiological effects of inadequate initial resuscitation B. Acute circulatory failure C. Brain injury D. Acute hypoxia - ANSWER>>>A. Biochemical and pathophysiological effects of inadequate initial resuscitation A regional resource center with a full spectrum of trauma services from prevention to rehabilitation which serves as the leader in trauma care for a geographical region is a: A. Level IV trauma center B. Level III trauma center
