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
Correct Answer :
C. To determine the chemical composition of small samples
Related Questions
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)
Which type of evidence is most commonly associated with forensic odontology?
Hair samples
Dental records
Fingerprint patterns
Bloodstain analysis
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
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 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
Which technique is used for analyzing the chemical composition of explosives residues?
X-ray Fluorescence Spectrometry (XRF)
Gas Chromatography (GC)
Mass Spectrometry (MS)
Fourier Transform Infrared Spectroscopy (FTIR)
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 purpose of using a capillary electrophoresis instrument in forensic chemistry?
To identify explosive residues
To separate and analyze DNA fragments
To enhance fingerprint visibility
To conduct bloodstain pattern analysis
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
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)
What is the primary purpose of using a scanning electron microscope-energy dispersive X-ray spectrometer (SEM-EDX) in forensic science?
To analyze gunshot residue particles
To visualize trace evidence
To enhance bloodstain patterns
To identify explosive residues
What is the purpose of using a scanning electron microscope (SEM) in forensic science?
To analyze gunshot residue particles
To enhance latent fingerprints
To identify explosive residues
To conduct bloodstain pattern analysis
What is the primary purpose of using a microspectrophotometer in forensic science?
To analyze gunshot residue particles
To determine the age of skeletal remains
To identify the chemical composition of small samples
To enhance fingerprint visibility
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 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 explosives residues on clothing?
Scanning Electron Microscopy (SEM)
Fourier Transform Infrared Spectroscopy (FTIR)
Gas Chromatography-Mass Spectrometry (GC-MS)
X-ray Fluorescence Spectrometry (XRF)
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
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 purpose of using alternate light sources in crime scene investigation?
To identify gunshot residue
To visualize biological fluids
To analyze drug samples
To reveal tool marks
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 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
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 primary purpose of using a vacuum metal deposition chamber in forensic examinations?
To enhance bloodstain patterns
To visualize latent fingerprints
To analyze gunshot residue particles
To conduct DNA sequencing
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
Which technique is used for analyzing the chemical composition of paint samples?
Gas Chromatography
Infrared Spectroscopy
Pyrolysis Gas Chromatography
X-ray Fluorescence Spectrometry
Which technique is used to analyze the chemical composition of gunshot residue?
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
X-ray Diffraction (XRD)
Scanning Electron Microscopy (SEM)
Atomic Absorption Spectroscopy (AAS)
What is the purpose of using a polygraph machine in criminal investigations?
To analyze handwriting samples
To detect lies and deception
To identify firearm trajectories
To measure blood alcohol levels
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
What is the purpose of using a forensic light source (FLS) at a crime scene?
To enhance bloodstain patterns
To reveal trace evidence
To analyze drug samples
To detect gunshot residue