What is the primary purpose of using a gas chromatograph-mass spectrometer (GC-MS) in forensic chemistry?
To analyze volatile substances
To enhance fingerprint visibility
To perform bloodstain pattern analysis
To conduct DNA profiling
Correct Answer :
A. To analyze volatile substances
Related Questions
Which technique is used for analyzing the chemical composition of paint samples?
Gas Chromatography
Infrared Spectroscopy
Pyrolysis Gas Chromatography
X-ray Fluorescence Spectrometry
Which instrument is used to detect and analyze volatile substances at a crime scene?
Gas Chromatograph
Atomic Absorption Spectrometer
X-ray Fluorescence Spectrometer
Scanning Electron Microscope
What is the primary purpose of using an X-ray fluorescence spectrometer (XRF) in forensic science?
To analyze gunshot residue particles
To identify explosive residues
To determine the chemical composition of materials
To enhance latent fingerprints
Which technique is used to analyze the trajectory of bullets or projectiles?
Bloodstain Pattern Analysis
Ballistic Gel Testing
Striation Comparison
X-ray Diffraction
What is the purpose of using a Vacuum Metal Deposition (VMD) chamber in forensic examinations?
To enhance bloodstain patterns
To visualize latent fingerprints
To analyze gunshot residue particles
To conduct DNA sequencing
Which technique is used to analyze the chemical composition of glass fragments?
Mass Spectrometry
X-ray Diffraction
Atomic Absorption Spectroscopy
Refractive Index Matching
What is the purpose of using a stereomicroscope in forensic examinations?
To visualize fine details of small objects
To analyze gunshot residue particles
To conduct bloodstain pattern analysis
To enhance fingerprint visibility
What is the purpose of using a presumptive test in forensic toxicology?
To confirm the presence of a specific drug
To identify the type of firearm used in a crime
To provide an initial indication of the presence of a substance
To determine the time of death
What is the purpose of using a Vacuum Metal Deposition (VMD) chamber in forensic examinations?
To enhance bloodstain patterns
To visualize latent fingerprints
To analyze gunshot residue particles
To conduct DNA sequencing
Which technique is used to analyze the chemical composition of trace elements in hair samples?
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
X-ray Fluorescence Spectrometry (XRF)
Scanning Electron Microscopy-Energy Dispersive X-ray Spectroscopy (SEM-EDX)
Gas Chromatography-Mass Spectrometry (GC-MS)
What is the purpose of using a microspectrometer in forensic examinations?
To enhance bloodstain patterns
To identify the chemical composition of small samples
To analyze gunshot residue particles
To visualize trace evidence
What does AFIS stand for in the context of crime scene technology?
Automated Fingerprint Identification System
Advanced Forensic Imaging Software
Analysis of Facial Identification Systems
Automated Footwear Identification System
What is the primary purpose of using a comparison microscope in forensic science?
To analyze gunshot residue particles
To enhance latent fingerprints
To conduct ballistics analysis
To visualize bloodstain patterns
What is the purpose of using a fuming chamber in latent fingerprint development?
To heat samples for DNA extraction
To expose samples to superglue fumes
To enhance bloodstain patterns
To visualize gunshot trajectories
What is the primary purpose of using a fume hood in a forensic laboratory?
To prevent exposure to toxic fumes
To analyze latent fingerprints
To enhance bloodstain patterns
To visualize trace evidence
What is the purpose of using a microspectrophotometer in forensic examinations?
To analyze gunshot residue particles
To determine the age of skeletal remains
To identify the chemical composition of small samples
To visualize latent fingerprints
What is the purpose of using a gas chromatograph with a flame ionization detector (GC-FID) in forensic science?
To identify explosive residues
To analyze gunshot residue particles
To determine the chemical composition of volatile substances
To enhance bloodstain patterns
What is the purpose of using UV light in crime scene investigation?
To identify explosive residues
To detect latent fingerprints
To enhance bloodstain patterns
To visualize gunshot trajectories
Which technique is used to analyze the chemical composition of trace evidence such as fibers or paint chips?
Atomic Force Microscopy (AFM)
Scanning Electron Microscopy-Energy Dispersive X-ray Spectroscopy (SEM-EDX)
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
Fourier Transform Infrared Spectroscopy (FTIR)
What is the primary purpose of using an Electron Microprobe in forensic science?
To analyze gunshot residue
To identify explosive residues
To perform elemental analysis of materials
To visualize latent fingerprints
What is the primary purpose of using a Transmission Electron Microscope (TEM) in forensic examinations?
To analyze gunshot residue particles
To enhance latent fingerprints
To visualize cellular structures
To identify explosive residues
Which of the following is a technique used for digital enhancement of images or video evidence?
Ultraviolet Photography
Infrared Spectroscopy
Digital Image Processing
Gas Chromatography-Mass Spectrometry
Which process involves the comparison of questioned handwriting with known handwriting samples?
Handwriting Analysis
Graphology
Chromatography
Spectroscopy
What is the purpose of using an electron probe microanalyzer (EPMA) in forensic examinations?
To enhance bloodstain patterns
To analyze gunshot residue particles
To determine the chemical composition of small samples
To visualize latent fingerprints
Which technique is used to determine the age of skeletal remains?
Radiocarbon dating
DNA profiling
X-ray diffraction
Gas chromatography-mass spectrometry
Which technique is used to analyze the chemical composition of trace evidence such as fibers or paint chips?
Atomic Force Microscopy (AFM)
Scanning Electron Microscopy-Energy Dispersive X-ray Spectroscopy (SEM-EDX)
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
Fourier Transform Infrared Spectroscopy (FTIR)
What is the primary purpose of using a Scanning Electron Microscope-Energy Dispersive X-ray Spectrometer (SEM-EDX) in forensic examinations?
To analyze gunshot residue particles
To enhance latent fingerprints
To visualize biological fluids
To examine samples at very low temperatures
Which technique is used to analyze the chemical composition of gunshot residue particles on clothing?
Mass Spectrometry (MS)
X-ray Diffraction (XRD)
Gas Chromatography-Mass Spectrometry (GC-MS)
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
Which technique is used to analyze the chemical composition of explosive residues on surfaces?
Fourier Transform Infrared Spectroscopy (FTIR)
Gas Chromatography-Mass Spectrometry (GC-MS)
X-ray Diffraction (XRD)
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
What is the primary purpose of using a Raman spectrometer in forensic science?
To analyze blood spatter patterns
To identify explosives and drugs
To enhance latent fingerprints
To conduct DNA sequencing