E. Mechanical receptors are located in the lungs, upper airways, chest wall, and diaphragm which prevent overdistension of the lungs. F. Respiratory defense mechanisms: 1. filtration of air by the upper airways 2. mucociliary clearance system -which is decreased by infection, atropine, alcohol, dehydration,
However, one. of the most challenging aspects of forensic DNA analysis is the. interpretation of low-level testing results where it is difï¬cult to. distinguish reliably between noise and signal from template DNA. that is associated with an evidence sample (3,4).
What is a paternity test used for? Paternity and other family relationship DNA testing results can be used as legal evidence for child support, parental rights, inheritance claims, social benefits, immigration, adoption and other circumstances when proof of blood relationship is required.herefore, the type of DNA sample used in the test is not going to affect the results. Our laboratoryâs standard samples are buccal swab and blood specimens. We also accept non-standard samples such as organ tissue, hair (with roots), cigarette butts, tooth brushes, and other frequently-used personal items.