PHTLS Post Test 9th

The displacement of tissue away from the path of a projectile, both temporarily and permanently, is known as: - Answer- Cavitation The single most important factor in determining the potential for injury due to energy exchange is: - Answer- Velocity of the bodies involved In the management of shock, isotonic crystalloid solutions, such as Ringer's, are preferred because: - Answer- 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? - Answer- 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. - Answer- Primary phase During the primary survey and management of a trauma patient, the E in ABCDE stands for _________? - Answer- Expose/Environment The time in which surgical intervention can make a difference in patient outcome is the __________? - Answer- Golden 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 _________? - Answer- 10 minutes In which of the following situations is the use of a short spinal immobilization device indicated? - Answer- 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? - Answer- Prior to being removed from the vehicle