Question

1. a lumbar puncture is used to: inject blood into the spinal fluid detect vertebral misalignment take nerve tissue samples obtain spinal fluid samples 49) the term \catheter\ literally means: to take away to let down, into to add to to pull up

Explanation:

• A lumbar puncture, also known as a spinal tap, is a medical procedure where a needle is inserted into the lower back to collect a sample of cerebro - spinal fluid for diagnostic purposes.
• The word "catheter" comes from the Greek "kathienai" which means "to let down, into". It is a thin tube inserted into the body for various purposes like draining fluids or administering medications.

Answer:

1. obtain spinal fluid samples
2. to let down, into