Procedural Guidance Step 14, Part 4 Thoracentesis 1. What is the minimal interpleural distance considered to be safe to perform thoracentesis?*A. 5 mmB. 10-15 mmC. 20 mmD. 30 mm2. The distance between the visceral and parietal pleural layers is called:*A. Interpleural distanceB. Dynamic pleural distanceC. Fluid distanceD. Separation distance3.When performing thoracentesis, the optimal angle of entry in relationship to the ribs is:*A. PerpendicularB. 45 degreesC. Parallel4.In a supine position, the interpleural distance at the base of the lung greater than 50 mm corresponds to a pleural effusion greater than:*A. 50 mLB. 500 mLC. 1000 mLD. 1500 mL5. T or F: When performing thoracentesis, the patient should not be moved in between ultrasound imaging and needle puncture when real time ultrasound is not used*A. TrueB. False
