Which Sample is Not Collected by Sterile Needle Aspiration

Question

Which sample is not collected by sterile needle aspiration?
A) Blood
B) Urine
C) Cerebrospinal ﬂuid
D) Tissue ﬂuids
E) All of the choices are collected by sterile needle aspiration.

Accepted Answer

Urine is typically collected through clean catch, catheterization, or midstream methods rather than sterile needle aspiration. Needle aspiration is used for blood, cerebrospinal fluid, and tissue fluids when a sterile sample is needed for analysis.