The nurse is caring for a patient receiving medication directly into the cerebrospinal fluid. The nurse correctly describes this procedure as involving which type of catheter?
1. An intraspinal catheter
2. An intrathecal catheter
3. A subcutaneous infusion set
4. An intraosseous catheter
2
Rationale 1: An intraspinal catheter is used for procedures such as the delivery of anesthesia, diagnostic testing, and infusions that involve the spine.
Rationale 2: An intrathecal catheter allows for administration of medications directly into the cerebrospinal fluid.
Rationale 3: Subcutaneous infusion sets are designed to deliver medication into the subcutaneous tissues either intermittently or continuously.
Rationale 4: An intraosseous catheter is inserted into the bones of the long legs or iliac crest to treat thermal injuries, trauma, cardiac arrest, or other life-threatening illnesses until the traditional vascular access can be obtained.
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