The preferred method of central venous access in the field is the ____.
A. catheter-over-the-needle CVAD
B. catheter-over-the-guidewire CVAD
C. peripherally inserted central catheter
D. percutaneous central venous catheters
Answer: B
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Which of the following types of dispersions is either water in oil or oil in water?
An ointment A lotion A gel An emulsion
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