Which of the following is an advantage of using the internal jugular vein as the insertion site for the central venous catheter?
1) The risk of pneumothorax from pleural puncture is low.
2) Visibility is good if hematomas form around the neck.
3) Tubing is more stable and is less likely to kink in a patient who is awake.
4) It is nearly a straight line from the right internal jugular vein to the right atrium.