Which Sample is Not Typically Collected by Sterile Needle Aspiration

Question

Which sample is not typically 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 non-sterile means and does not require a sterile needle aspiration.