PHTLS Post Test 9th Questions and Answers (2023) (Verified Answers) Complete

PHTLS Post Test 9th Questions and Answers (2023) (Verified Answers) Complete The displacement of tissue away from the path of a projectile, both temporarily and permanently, is known as: - Cavitation The single most important factor in determining the potential for injury due to energy exchange is: - Velocity of the bodies involved In the management of shock, isotonic crystalloid solutions, such as Ringer's, are preferred because: - 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? - 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. - Primary phase During the primary survey and management of a trauma patient, the E in ABCDE stands for _________? - Expose/Environment The time in which surgical intervention can make a difference in patient outcome is the __________? - 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 _________? - 10 minutes In which of the following situations is the use of a short spinal immobilization device indicated? - 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? - Prior to being removed from the vehicle Which of the following represents adequate spontaneous ventilation in an adult? - Tidal volume 600 mL, ventilatory rate 12/minute Which of the following is 100% accurate in verifying endotracheal tube placement? - None of the above When utilizing percutaneous transtracheal ventilation, the correct ration of lung inflation to lung inflation time, in seconds, is: - 1:4 Which of the following is a possible complication of using a manually triggered oxygen powered device for ventilation? - All of the above Which of the following procedures is considered an essential airway - Insertion of an oropharyngeal airway Pericardial tamponade is most likely to occur in which of the following situations? - Stab wound to the chest Which of the following is the preferred site for needle decompression of a tension pneumothorax? - 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? - 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 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? - Hemothorax 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 with the lap belt placed across the abdomen, most likely represents which of the following - Ruptured diaphragm Which of the following is NOT a component of the Fick principle? - Adequate number of platelets in the blood One of the earliest signs of hypovolemic shock - Anxiety Which of the following characterizes the washout phase of shock? - 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? - Spinal cord injury Which of the following is a limitation of prehospital fluid resuscitation of the patient in hemorrhagic shock? - All of the above Which of the following statements regarding signs of intraabdominal injury is NOT true? - Substantial intraabdominal hemorrhage always causes tenderness and abdominal rigidity Which of the following assessment techniques is least useful in the prehospital assessment of the patient with suspected intraabdominal trauma? - Auscultation