Evidence Collection Process Flashcards
7 cards from real CFN practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Evidence Collection Process flashcards as text
When collecting trace evidence from a sexual assault victim's clothing, which technique is most appropriate for recovering loose fibers and hair?
Answer: Tape lifting with clear adhesive tape
Tape lifting is the standard technique for collecting trace evidence such as fibers and hair from clothing surfaces.
A forensic nurse is documenting bite mark injuries. What is the FIRST step before any swabbing or photography?
Answer: Sketch the bite mark location on a body diagram
A body diagram sketch should be completed first to orient the bite mark location before any manipulation of the evidence.
Which of the following best describes the 'double-swab technique' used in forensic nursing?
Answer: Swabbing first with a wet swab then a dry swab on the same area
The double-swab technique involves using a wet swab to rehydrate and lift cellular material followed by a dry swab to collect residual moisture and cells.
A patient presents with potential strangulation injuries 48 hours after the assault. What evidence collection priority should the forensic nurse focus on?
Answer: DNA swabs from the neck area
DNA swabs from the neck area should be prioritized as the assailant's DNA may still be present on the skin surface even 48 hours later.
When collecting gunshot residue (GSR) evidence from a living patient, the forensic nurse should swab which areas first?
Answer: The dominant hand dorsal and palmar surfaces
GSR collection should begin with the dorsal (back) and palmar surfaces of the dominant hand as this is where residue concentrates most heavily.
Which packaging material is CONTRAINDICATED for biological evidence such as blood-stained clothing?
Answer: Plastic zipper bag
Plastic packaging traps moisture and promotes bacterial growth that can degrade DNA and other biological evidence.
A forensic nurse must collect reference blood samples from a sexual assault victim. What is the correct collection method?
Answer: Venipuncture into a lavender-top (EDTA) tube
A venipuncture sample in an EDTA tube is the standard reference blood sample for DNA profiling in sexual assault cases.