When a Cerebrospinal Fluid Specimen Is Needed for Testing, the Specimen

question 58

Multiple Choice

When a cerebrospinal fluid specimen is needed for testing, the specimen is removed by needle from the L3-L4 interspace area of the vertebral column. Why?

• A) There are no spaces between the other areas of the vertebral column.
• B) There is a higher pressure within the subarachnoid space at that point, so it is easier to obtain a specimen.
• C) There are no spinal nerves located in that area.
• D) There would be no possible damage to the spinal cord itself when the needle is inserted into the space.
• E) The space where the needle is inserted is larger than anywhere else along the vertebral column.

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Definitions:

Activity-Based Costing

A costing methodology that assigns overhead and indirect costs to specific activities, providing more accurate product or service costs.

Activity Cost Pools

These are groupings of individual costs, based on the activities that drive costs in an organization, which are used in activity-based costing to allocate costs more accurately.

Machine-Hours

A measure of production time, quantifying the number of hours machines are operating in the manufacturing process.

Time-Driven

A concept or approach where activities, costs, or operations are measured and managed based on time, often used in activity-based costing.