ATLS Module Practice Questions and Answers, Exams of Medicine

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Once critical aspect of hospital preparation is: A) determining status of advance directive B) ensuring availability of properly functioning airway equipment C) consulting with on-call neurosurgeon D) ordering laboratory tests ANSWERV V B) ensuring availability of properly functioning airway equipment T/F: Pulse oximetry measures the partial pressure of oxygen or carbon dioxide. ANSWERV V False; Pulse oximetry does not measure the partial pressure of oxygen, only saturation. It can be confounded by carboxyhemoglobin, so this adjunct should be used with caution in patients with inhalation injury. Pulse oximetry also docs not measure carbon dioxide. T/F: Even in life-threatening cmergencics, the clinician must obtain consent for treatment prior to initiating any interventions. ANSWERV V False; Consent is sought before treatment, if possible. In life-threatening emergencies, it is often not possible to obtain such consent. In these cases, provide treatment first, and obtain formal consent later. Which patient sign can be quickly observed to assess a patient's hemodynamic status? A) oxygen saturation B) tracheal deviation C) skin perfusion