PHTLS Pre & Post Test 2022 Questions and Answers, (Updated 2022)

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 2. 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 3. 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