Advanced Lung Step 1, Part 3 Lung Profiles 1. The ultrasound basis for use of lung profiles are:*A. Harmonic imaging techniquesB. Gain setting techniquesC. ArtifactsD. Crystal deflections2. An A/B profile with lung sliding is most suggestive of what?*A. Pulmonary edemaB. Pleural effusionC. PneumothoraxD. Pneumonia3. An A profile in a patient with respiratory failure should prompt what study next?*A. Lower extremity vascular studies for DVT and suspicion for pulmonary embolismB. Posterior lung exam in search of consolidation for atelectasis or pneumoniaC. Cardiac examination in search of heart failureD. Both A and B4. B profile is suggestive of:*A. Pulmonary edemaB.PneumothoraxC. Pleural effusions bilaterallyD. Pulmonary embolisim5. T or F: Absent lung sliding always means pneumothorax.*A. TrueB. False Reading: UF Local Material: Pneumonia Supporting Literature (with figures) Pneumonia