CAMRT Radiography Practice Exam

What is the main function of a PICC line?

1. To administer medications only

2. To measure blood pressure

3. To allow for nutrient and fluid administration, and measure central venous pressure

4. To draw arterial blood samples

The correct answer is: To allow for nutrient and fluid administration, and measure central venous pressure

The correct choice signifies the primary purpose of a PICC (Peripherally Inserted Central Catheter) line, which is designed to facilitate various medical needs, particularly for patients requiring long-term intravenous access. A PICC line is primarily used for administering medications, fluids, and nutritional support directly into the central venous system, allowing for efficient and effective treatment. Additionally, it can be employed to measure central venous pressure, which is a critical parameter for monitoring a patient's hemodynamic status. This multifunctionality makes it an essential device in settings where patients need extended intravenous therapy, such as chemotherapy, long-term antibiotics, or total parenteral nutrition. Its design allows for a longer duration of use compared to peripheral lines, thus minimizing the frequency of venipuncture and reducing the risk of vein irritation or complications associated with repeated access. The other options do not capture the full scope and capability of a PICC line. While administering medications is a part of its function, it does not encompass the full range of uses as thoroughly as the correct choice. Measurement of blood pressure is typically not associated with a PICC line, as this is usually performed with different types of equipment. Furthermore, while arterial blood samples can be drawn from specialized catheters