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PHTLS Post Test 9th verified answers
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PHTLS Post Test 9th verified answers
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PHTLS Post Test 9thThe displacement of tissue away from the path of a projectile, both temporarily and permanently,
is known as:
- ANSCavitation
The single most important factor in determining the potential for injury due to energy exchange
is: - ANSVelocity of the bodies involved
In the management of shock, isotonic crystalloid solutions, such as Ringer's, are preferred
because:
- ANSThese 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?
- ANS3 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.
- ANSPrimary phase
During the primary survey and management of a trauma patient, the E in ABCDE stands for
_________?
- ANSExpose/Environment
The time in which surgical intervention can make a difference in patient outcome is the
__________?
- ANSGolden period (hour)
In the absence of extenuating circumstances, the maximum amount of time it should take to
identify and manage immediate threats to life, prepare the patient for transport and begin
transport is _________?
- ANS10 minutes
In which of the following situations is the use of a short spinal immobilization device indicated?
- ANSNone 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?
, - ANSPrior to being removed from the vehicle
Which of the following represents adequate spontaneous ventilation in an adult?
- ANSTidal volume 600 mL, ventilatory rate 12/minute
Which of the following is 100% accurate in verifying endotracheal tube placement?
- ANSNone of the above
When utilizing percutaneous transtracheal ventilation, the correct ration of lung inflation to lung
inflation time, in seconds, is:
- ANS1:4
Which of the following is a possible complication of using a manually triggered oxygen powered
device for ventilation?
- ANSAll of the above
Which of the following procedures is considered an essential airway - ANSInsertion of an
oropharyngeal airway
Pericardial tamponade is most likely to occur in which of the following situations?
- ANSStab wound to the chest
Which of the following is the preferred site for needle decompression of a tension
pneumothorax?
- ANS2nd 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?
- ANSBlood 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
rate is 32, there is a weak radial pulse of 112, and breath sounds are decreased on the right
side. The trachea is midline and jugular veins are flat while the patient is supine. There is
isolated crepitus over the 4th and 5th ribs in the midaxillary line on the patient's right side.
Based on the mechanism of injury and the assessment findings, which of the following is the
most likely cause of the patient's signs and symptoms?
- ANSHemothorax
Deterioration of ventilation and oxygenation after inflation of a PASG in a patient who has
sustained a high-pressure compression injury of the abdomen, such as a sudden deceleration
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