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PHTLS 9TH Edition Post Test Answers 2023 New Version Best Studying Material, Exams of Nursing

PHTLS 9TH Edition Post Test Answers 2023 New Version Best Studying Material with All Answers from Actual Exam

Typology: Exams

2023/2024

Available from 10/25/2023

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Download PHTLS 9TH Edition Post Test Answers 2023 New Version Best Studying Material and more Exams Nursing in PDF only on Docsity! PHTLS 9TH Edition Post Test Answers 2023 New Version Best Studying Material with All Answers from Actual Exam The displacement of tissue away from the path of a projectile, both temporarily and permanently, is known as: --------- Correct Answer -------- Cavitation The single most important factor in determining the potential for injury due to energy exchange is: --------- Correct Answer -------- Velocity of the bodies involved In the management of shock, isotonic crystalloid solutions, such as Ringer's, are preferred because: --------- Correct 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? --------- Correct 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. --------- Correct Answer -------- Primary phase During the primary survey and management of a trauma patient, the E in ABCDE stands for _________? --------- Correct Answer -------- Expose/Environment The time in which surgical intervention can make a difference in patient outcome is the __________? --------- Correct 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 _________? --------- Correct Answer -------- 10 minutes In which of the following situations is the use of a short spinal immobilization device indicated? --------- Correct 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? --------- Correct Answer -------- Prior to being removed from the vehicle Which of the following represents adequate spontaneous ventilation in an adult? --------- Correct Answer -------- Tidal volume 600 mL, ventilatory rate 12/minute Which of the following is 100% accurate in verifying endotracheal tube placement? --------- Correct Answer -------- None of the above When utilizing percutaneous transtracheal ventilation, the correct ration of lung inflation to lung inflation time, in seconds, is: --------- Correct Answer -------- 1:4 Which of the following is a possible complication of using a manually triggered oxygen powered device for ventilation? --------- Correct Answer -------- All of the above Which of the following procedures is considered an essential airway --------- Correct Answer -------- Insertion of an oropharyngeal airway Pericardial tamponade is most likely to occur in which of the following situations? --------- Correct Answer -------- Stab wound to the chest Which of the following is the preferred site for needle decompression of a tension pneumothorax? --------- Correct Answer -------- 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? --------- Correct Answer -------- 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? Which of the following behaviors is the most reliable indication of confusion in the elderly patient --------- Correct Answer -------- 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: --------- Correct 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? --------- Correct Answer -------- 1000 2000 mL Delayed death due to trauma is usually a result of: --------- Correct Answer -------- 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 ----- ---- Correct Answer -------- Level I trauma center Which of the following patients is not indicated for spinal immobilization? --------- Correct Answer -------- Patient with a knife wound to the chest and a GCS of 15 The premise of PHTLS is that: --------- Correct Answer -------- EMTs are capable of sound patient care judgment, given an adequate knowledge base Which of the following warrants classification of a patient as a critical trauma patient? --------- Correct Answer -------- Preexisting major medical problem Which of the following is the foundation of effective trauma care? --------- Correct Answer -------- The ability to quickly locate and manage life-threatening and potentially life-threatening injuries You arrive at the scene of a motor vehicle collision in which a vehicle struck a tree. Which is the best indicator of potential injury? --------- Correct Answer -------- Speed of the vehicle The potential for death or serious injury is greatest in which of the following motor vehicle collisions? --------- Correct Answer -------- Ejection from vehicle Bilateral femur fractures are most often associated with which type of motorcycle crash? --------- Correct Answer -------- Head-on impact Which is the preferred fluid for resuscitation of hemorrhagic shock in the prehospital setting? --------- Correct Answer -------- Lactated Ringer's Which is the most common cause of upper airway obstruction in the trauma patient? --------- Correct Answer -------- Tongue Which is the preferred adjunct device for verifying placement of an endotracheal tube in a patient with a perfusing rhythm? --------- Correct Answer -------- End-tidal CO2 monitoring (capnography) Which is the most important reason to maintain an open airway in the trauma --------- Correct Answer -------- Prevents hypoxemia and hypercarbia Essential airway skills include manual clearing of the airway, manual maneuvers, suctioning and which of the following? --------- Correct Answer -------- Oropharyngeal airway Your patient is a middle aged male who crashed his motorcycle. He is unresponsive. After opening the airway using a modified jaw thrust, you note the patient has respirations at a rate of 6. Auscultation reveals breath sounds are absent on the left side. Which of the following is the most appropriate next intervention? --------- Correct Answer -------- Begin ventilation with a BVM Which best describes shock? --------- Correct Answer -------- Generalized inadequate tissue perfusion Your patient has a deep laceration to his antecubital fossa with significant bleeding. What is the most appropriate initial action? --------- Correct Answer -------- Apply direct pressure Hypotension of unknown etiology in a trauma patient should be assumed to result from which of the following? --------- Correct Answer -------- Blood loss Which assessment is most beneficial in differentiating hemorrhagic shock from neurogenic shock in the prehospital setting? --------- Correct Answer -------- Skin The body initially compensates for blood loss through activation of which of the following? --------- Correct Answer -------- Sympathetic nervous system Medication used by trauma patients for pre-existing conditions may cause which of the following? --------- Correct Answer -------- Beta blockers may prevent tachycardia with blood loss The target blood pressure for a trauma patient with suspected intraabdominal hemorrhage is which of the following? --------- Correct Answer -------- 80 - 90 mm Hg Which best explains the mechanism by which gas exchange is impaired in pulmonary contusion? --------- Correct Answer -------- Blood in the alveoli Which of the following is a key finding that differentiates cardiac tamponade from tension pneumothorax? --------- Correct Answer -------- Equal breath sounds Your patient is a 20 year old male who struck his head on a teammate's knee while diving to catch a football. He was not wearing a helmet. He demonstrates decerebrate posturing and has a GCS score of 4. His heart rate is 58, blood pressure 180/102 and his left pupil is dilated. What is the best ventilation rate to use when managing this patient? --------- Correct Answer -------- 20 breaths per minute A 20 year old female was ejected from her vehicle during a high speed roll-over motor vehicle collision. She has significant bleeding from a large laceration. Your initial assessment reveals a GCS score of 7, systolic blood pressure of 70 mm Hg and pupils that are equal but respond sluggishly to light. After establishing two large bore IV lines, you should titrate the infusion rate to achieve a target blood pressure of at least --------- Correct Answer -------- 90 mm Hg. Which of the following is the preferred prehospital wound management for a patient with a 36% body surface area flame burn? --------- Correct Answer -------- Dry sterile dressings The most immediate life threatening condition resulting from injury to solid abdominal organs is which of the following? --------- Correct Answer -------- Hemorrhage. An adult male sustained a deep laceration to his distal thigh. Bright red blood is spurting from the wound. Direct pressure is not controlling the bleeding. What is the most appropriate next step? --------- Correct Answer -------- Apply a tourniquet and tighten it until bleeding stops An 18-year-old female was struck by a car and has sustained an apparent left femur fracture. Communication with her is hampered because she only speaks a foreign language. Which finding, by itself, does not mandate immobilization of the cervical spine? --------- Correct Answer -------- Mechanism of injury During the primary survey of a trauma patient, you note that the patient is agitated and