In a patient with severe traumatic brain injury, hypocapnia causes which condition? A. Respiratory acidosis B. Metabolic acidosis C. Neurogenic shock D. Cerebral vasoconstriction {Ans: D. Cerebral vasoconstriction Rationale: Hypocapnia, or low levels or carbon dioxide, will cause vasoconstriction, especially in the cerebral vasculature. A - hypercapnia from inadequate ventilation causes respiratory acidosis. B - metabolic acidosis results from tissue hypoperfusion and oxygen deficit. C - neurogenic shock is associated with spinal cord injuries and results in generalized vasodilation.}Which of following accurately describes ventilation principles associated with use of bag-mask device for an adult? A. Compress the bag-mask device at a rate of one breath every 6 seconds B. Delivers 100% oxygen C. Squeeze the bag-mask device completely for each breath D. Maintain the oxygen saturation levels between 92% and 94% {Ans: A. Compress the bag-mask device at a rate of one breath every 6 seconds Rationale: If breathing is ineffective for an adult, assist ventilations by compressing the bag-mask device at a rate of one breath every 6 seconds.}What technique is most appropriate when obtaining a history from a patient who has experienced a sexual assault? A. Sitting next to the patient B. Ensuring the patient answers