Which of the following would require a chain of custody procedure?

What are chain of custody examples?

An example of chain of custody would be the recovery of a bloody knife at a murder scene:

• Officer Andrew collects the knife and places it into a container, then gives it to forensics technician Bill.
• Forensics technician Bill takes the knife to the lab and collects fingerprints and other evidence from the knife.

When would a chain of custody form be used?

Chain of custody is a process used for toxicology testing when the results might have legal implications for the individual tested. Clinical toxicology testing is used for routine medical care.

What is the chain of custody urine test?

In order to ensure the integrity and authenticity of the sample, the urine sample must be tracked at all times. This is known as a 'chain of custody', and requires the sample to be sighted at all times to ensure that the sample can be properly identified as your own.

What are three confirmatory tests that can be performed on urine?

Dipstick test

• Acidity (pH). The pH level indicates the amount of acid in urine. ...
• Concentration. A measure of concentration shows how concentrated the particles are in your urine. ...
• Protein. Low levels of protein in urine are typical. ...
• Sugar. ...
• Ketones. ...
• Bilirubin. ...
• Evidence of infection. ...
• Blood.

Which of the following refers to the chain of custody?

Chain of custody is a legal concept that refers to the “journey” that a piece of evidence takes from the time it is collected through its presentation in court. During this journey, it is shared with others, and its maintenance is important to ensure the accused a fair trial.

What are the 7 steps of investigation?

The 7 steps of a crime scene investigation, often called the "7 S's," provide a structured approach: Secure the scene, Separate witnesses, Scan the scene, See the scene (document), Sketch the scene, Search for evidence, and Secure and Collect evidence, ensuring thoroughness from initial response to evidence preservation for a case.
 

What should be on a chain of custody form?

The chain of custody documentation provides information regarding the collection, transportation, storage, and general handling of the electronic evidence. A typical chain of custody document may include: Date and time of collection. Location of collection.

What is the chain of custody in the laboratory?

Chain of custody in the lab refers to the documented process of tracking the handling, storage, and transfer of samples or data throughout their lifecycle.

What test requires a chain of custody?

Any and all drug testing should incorporate a CCF and process to insure the integrity of the specimen to be tested. This includes both laboratory and instant drug testing. A multi-part CCF form (AADT's Medtox CCF is 5-parts) and other supplies are used to complete the CCF process.

Which of the following types of testing requires chain of custody documentation for specimens?

Drug tests often require chain of custody documentation when collected to ensure the integrity and security of the collected samples.

What must be checked promptly after collecting a urine specimen for drug testing?

You must check the temperature of the specimen no later than four minutes after the employee has given you the specimen. The acceptable temperature range is 32–38 °C/90–100 °F. You must determine the temperature of the specimen by reading the temperature strip attached to the collection container.

What are the three types of urine testing?

You provide a urine sample, either in a cup or with a catheter. Then your provider sends it to a lab for a visual exam, dipstick test and microscopic exam. You might need a urinalysis as part of a routine screening or if you have symptoms of an infection, diabetes, or kidney or liver issues.

What is a confirmatory test that can be performed when a urine sample is positive for the bilirubin test?

The Ictotest tablets, based on the diazotization reaction, are utilized as a confirmatory assay for the presence of urinary bilirubin when a frontline test (i.e. urine strip or another semi-quantitative method) has provided a positive bilirubin result.

Which of the following tests can be done on urine using reagent strips: multiple choice, specific gravity, odor, turbidity, volume?

Multistix® Reagent strips: can be used to test urine for glucose, ketones, specific gravity, blood, pH, protein, nitrites and leukocytes.

What urine test requires a chain of custody procedure?

For urine drugs of abuse testing in particular, it is important that the donor identify the specimen and that the urine cup is sealed in front of the donor, followed by the person who collected the specimen signing the chain of custody forms.

What is the chain of custody for lab samples?

1 Chain of Custody (COC) is a legal document designed to track persons who are responsible for obtaining bottles and sample collection, sample delivery, sample storage, and sample analysis. It provides a record of sample traceability.

What does CRL drug testing test for?

CRL (Clinical Reference Laboratory) drug tests typically screen for common illicit drugs and prescription medications, including THC (marijuana), cocaine, opiates (like fentanyl, morphine), amphetamines (methamphetamine), benzodiazepines, barbiturates, and PCP, with options for expanded panels to detect designer drugs, synthetic cannabinoids (K2/Spice), and alcohol (ETG/ETS). They offer both rapid screening tests (often 10-panel) and lab confirmation tests for various substances, used for employment, insurance, and government compliance. 

What are examples of chain of custody?

An example of the chain of custody would be a crime scene investigator finding a knife at a crime scene. It is documented by photographing it as it was found and then placed in a labeled and sealed evidence bag by a CSI wearing PPE.

Which of the following tests requires chain of custody?

Blood alcohol levels and drug screenings often require chain of custody documentation.

What exactly is chain of custody?

Definitions: A process that tracks the movement of evidence through its collection, safeguarding, and analysis lifecycle by documenting each person who handled the evidence, the date/time it was collected or transferred, and the purpose for the transfer.