CHHS Crime Scene Investigator (CSI) Certificate Practice Exam

Browse all practice questions for the CHHS Crime Scene Investigator (CSI) Certificate Practice Exam. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

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Be Mindful of Broken Glass When Searching for PrintsWhen looking at a window for prints, what should you be cautious about?Crime scene sketches capture layout, orientation, and spatial relationships to help investigationsWhat type of details are documented in crime scene sketches?Discovering the Mysteries of Mitochondrial DNA InheritanceWhat is mitochondrial DNA (mt-DNA) inherited from?Environmental Factors Can Pose Big Challenges for Crime Scene InvestigatorsName a common challenge faced during the collection of evidence.Lack of Evidence in Crime Investigations: What Does It Indicate?What can a lack of evidence during an investigation indicate?Mastering the Essentials of Biological Evidence in Crime Scene InvestigationsWhich situation represents the need for biological evidence collection?Understanding Ballistics in Crime Scene InvestigationsWhat is ballistics concerned with in crime scene investigations?Understanding Biological Evidence Beyond DNATrue or False: Biological evidence only includes items with recoverable DNA.Understanding the Different Types of Evidence in Crime Scene InvestigationsWhich are the three main types of evidence collected in crime scene investigations?Understanding the Different Types of Fingerprints in Crime Scene InvestigationWhat type of print is created when a fingerprint is deposited in a material like wax or soap?Understanding the Flexible Nature of Crime Scene ProcessingTrue or False: The sequence of processing a scene is always the same regardless of circumstances.Understanding the Importance of Controls When Testing EvidenceWhat is the significance of having a control when testing evidence?Understanding the Importance of Establishing a Chain of CustodyWhat is a critical process to follow when handling evidence to maintain admissibility in court?Understanding the Importance of Timely Preservation for DNA EvidenceWhich aspect of a crime scene is crucial for collecting DNA evidence?Understanding the Key Responsibilities of a Crime Scene InvestigatorWhat is an essential part of the crime scene investigator's responsibilities?Understanding the Limitations of mt-DNA Analysis in ForensicsWhat is a significant limitation of mt-DNA analysis?Understanding the Role of Evidence Tags in Forensic InvestigationsWhen maintaining chain of custody, what is true about evidence tags?Understanding the Role of F-stop in PhotographyWhat does the F-stop control in photography?Understanding the Role of Forensic Pathologists in Crime Scene InvestigationsWhat is a common method used in forensic pathologists' investigations?Understanding the Role of Genomic DNA in InheritanceWhat does genomic/nuclear DNA represent?Understanding the Role of Physical Evidence in Corroborating Victim AccountsWhat type of evidence can help to corroborate or dispute a victim's account?Understanding What Information Is Unacceptable in Crime Scene ReportsWhat type of information is considered unacceptable in a crime scene report?Understanding Why Eyewitness Accounts Are Less Reliable Than Physical EvidenceWhy is an eyewitness account considered less reliable compared to physical evidence?What Does a Purple Result Mean in Amylase Tests?Which color result indicates a positive reaction for amylase in a presumptive test?What Surfaces Are Key for DNA Evidence in a Burglary Investigation?Which item is NOT usually swabbed for DNA evidence in a burglary?Why Photographing a Crime Scene Is Essential for InvestigatorsWhy is it important to photograph a crime scene?Why understanding the crime context is essential for identifying evidence in crime scene investigationsIn crime scene investigations, what is crucial for effectively identifying evidence?
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  • What constitutes biological evidence?
  • In what way can evidence be subjective despite being considered objective?
  • What does STR stand for in DNA analysis?
  • Why is it important to note what is not present at a crime scene?
  • Which of the following is NOT a good source of DNA evidence?
  • Which question best explains the presence of latent prints at a crime scene?
  • Which of the following is NOT one of the four main types of search techniques for detecting blood?
  • True or False: There are definitive tests for vaginal fluid in forensic science.
  • Is it necessary for each item of evidence to have its own individual evidence tag?
  • What does PCR stand for in a forensic context?
  • Who is known for publishing the first book on fingerprints discussing their individuality?
  • How can electronic flash contribute to the quality of crime scene photographs?
  • What is often used to determine the location of evidence in a crime scene sketch?
  • What must be done before evidence collection can begin at a crime scene?
  • What was highlighted as an ineffectiveness of Bertillon measurements?
  • What type of evidence is particularly important in proving intent in crimes?
  • Which type of fingerprint does not require any processing to make it visible?
  • What is the primary role of a forensic pathologist in criminal investigations?
  • Which of the following is NOT a factor to consider in your plan of action when processing a crime scene?
  • Why might a CSI use alternate light sources?
  • What does forensic anthropology typically involve?
  • How do class characteristics differ from random characteristics in physical evidence?
  • What is the primary purpose of crime scene tape?
  • What type of cases are noted to have the highest percentage of DNA evidence?
  • Which of the following is a disadvantage of using electronic flash?
  • What is the first step a CSI should take upon arriving at a crime scene?
  • When is the use of mt-DNA particularly beneficial?
  • Why is biological fluid analysis significant in forensic serology?
  • When should you document the scene before beginning evidence processing?
  • Which type of fingerprint is created as a 3-D impression?
  • Finding gunshot residue (GSR) suggests what about an individual?
  • What type of DNA is found in all nucleated cells of the body?
  • In documentation photography, why is including a ruler important?
  • When is it necessary to create a sketch at a crime scene?
  • What are the three main types of crime scene search patterns?
  • What does the shutter speed primarily control?
  • How many prints can Livescan collect in total?
  • Where is nuclear DNA primarily found in the body?
  • Which of the following best describes the duties performed by forensic specialists at a crime scene?
  • Is it always necessary to use a ruler when photographing fingerprints?
  • How is a latent fingerprint left at a scene or on an object?
  • What does the term "ambient light" refer to in photography?
  • What information must be included on a packaged item of evidence?
  • What is one of the main benefits of digital photography?
  • Which factor can affect the estimation of time of death?
  • What is the primary responsibility of first responders at a crime scene?
  • Which of the following is NOT a factor affecting the recovery of latent fingerprint evidence?
  • What is blood spatter analysis primarily used for?
  • When using PCR technology in forensics, what is the final result that is generated?
  • What is a common sign that a burglary has taken place?
  • Who was Alphonse Bertillon?
  • What is the primary definition of physical evidence in a crime scene investigation?
  • What benefit does using alternative light provide during crime scene investigation?
  • What type of evidence includes information found in digital forms?
  • How does Amido black reveal blood at a crime scene?
  • Why should plastic not be used for evidence packaging?
  • What should an arrow indicate when drawing a fingerprint?
  • What is one use of bite marks in forensic investigation?
  • What is the main purpose of a scene examination checklist?
  • What type of evidence is categorized as biological evidence?
  • LMG is an abbreviation for what type of test?
  • Which of these options is a purpose of crime scene photography?
  • What is the main purpose of DNA analysis in forensic science?
  • Which of the following is essential for avoiding blurry photos during long exposures?
  • What are the three primary types of sketches used in crime scene investigations?
  • What is true about friction ridges?
  • What are good sources of DNA for analysis?
  • What role does the ability to delete images after capturing them play in digital photography?
  • What is the most common type of crime scene sketch?
  • Which of the following is an example of physical evidence in crime scene investigations?
  • Why is scene preservation crucial in crime investigations?
  • What are the five basic steps of a crime scene investigation?
  • What is a common technique for documenting a crime scene layout?
  • What should you do after completing the initial walkthrough at a crime scene?
  • When someone touches a surface without gloves, do they always leave fingerprints behind?
  • What can cause the "falloff effect" when using electronic flash?
  • What are the three types of evidence commonly found at a crime scene?
  • Why is maintaining a crime scene log important?
  • What type of evidence includes verbal or written statements from those involved in a crime?
  • What is the ultimate goal of conducting crime scene investigations?
  • How does contamination affect evidence collection?
  • What type of evidence is likely to be documented through photography and recordings?
  • What is the purpose of creating a crime scene sketch?
  • What is the significance of a preliminary investigation?
  • What is the primary purpose of quantitation in the DNA process?
  • What does reconstructing events of a crime involve?
  • In terms of evidence storage, why is refrigeration necessary?
  • What does the term "motive" refer to in a crime investigation?
  • What type of coordinate is most effective for "fixing" items of evidence at a crime scene?
  • What is the function of a crime scene investigator?
  • Which evidence can help locate blood stains during an investigation?
  • Can we determine the height from which a blood drop fell?
  • What does AFIS stand for in forensic science?
  • What does the term "evidence re-evaluation" refer to?
  • What role does physical evidence play in helping authorities understand the crime?
  • What is an important consideration when dealing with evidence in sexual assault cases?
  • How is evidence typically processed at a crime scene?
  • Which technique is used to analyze gunshot residue?
  • What characteristic makes fingerprints unique to individuals?
  • What is the implication of immediate image review in digital photography?
  • What is the relationship between the thoroughness of evidence collection and the investigation's outcome?
  • What is the focus of a Crime Scene Investigator during their assessment of a scene?
  • Which of the following is NOT an advantage of DNA testing?
  • In ancient China, what was the primary use of fingerprints before their current identification purposes?
  • What is the role of a forensic odontologist?
  • Which type of evidence would typically require scientific interpretation?
  • What substance does amylase, used in presumptive testing, react with?
  • Which purpose of crime scene photography involves the use of visual aids for juries?
  • What is a common method used to collect soil samples at a crime scene?
  • Which test is typically used to determine if blood is human or animal?
  • What system did Sir Edward Henry develop for classifying fingerprints?
  • What is the first step in taking documentation photos of a victim or suspect?
  • What type of lighting is best for searching prints?
  • What does the term "forensic psychology" encompass?
  • What does crime scene investigation primarily involve?
  • What is the purpose of taking preliminary overall photos at a crime scene?
  • Which of the following is a characteristic of physical evidence?
  • Which technique is used to show the path of a bullet in a crime scene?
  • Which of the following surfaces is cyanoacrylate (Super Glue) primarily used on for fingerprint development?
  • What is the function of a swab in evidence collection?
  • Why is understanding the circumstances of a crime crucial for an investigator?
  • What are the two primary types of autopsies?
  • What is a common type of electronic device that may yield forensic evidence?
  • What is the first rule to follow when documenting a crime scene?
  • What do Triangulation coordinates consist of?
  • Why is it important to not manipulate images of fingerprints digitally after capturing them?
  • What type of evidence can degrade if not carefully packaged?
  • How quickly can ultraviolet light potentially destroy DNA evidence?
  • How does DNA structure remain through a person’s life?
  • What is the role of the medical examiner in a crime scene investigation?
  • What is considered to be the primary goal of a crime scene investigation?
  • When lifting prints, is it necessary to collect prints that may belong to a victim?
  • What is a significant advantage of using electronic flash in photography?
  • If you notice only a small portion of a print when lifting, what should you do?
  • What is the primary use of luminol in crime scene investigations?
  • How can digital evidence be compromised at a crime scene?
  • What is the primary concern when someone touches a surface without gloves regarding fingerprints?
  • Which of the following is NOT considered documentary evidence?
  • Which method is used to chemically develop latent fingerprints?
  • Why is thorough note-taking considered crucial in investigations?
  • What substance is Amido black used for detecting?
  • To effectively photograph a shoeprint, which technique should be used?
  • What does the chain of custody in evidence handling ensure?
  • What role do witnesses play in crime investigations?
  • What are the purposes of physical evidence in investigations?
  • Which of the following is NOT considered a good source of DNA?
  • What does Luminol specifically react with in a blood sample?
  • What does forensic entomology study?
  • What is the primary focus during the intermediate photos of a victim or suspect?
  • Why is respecting the integrity of crime scene evidence crucial?
  • What is the main purpose of conducting fingerprint comparisons?
  • What is a characteristic of fingerprint residue?
  • What is the basic principle of crime scene investigation according to Edmond Locard?
  • What are Rectangular Coordinates?
  • Why is packaging of evidence crucial in investigations?
  • In addition to the F-stop, what does aperture influence in photography?
  • Which of the following is NOT a responsibility of a Crime Scene Investigator?
  • What is the purpose of a crime scene sketch?
  • What equipment is essential for photographing a scene at night or in low light conditions?
  • Name a type of evidence that can be categorized as class evidence.
  • What is the primary role of a Crime Scene Investigator (CSI)?
  • Which surfaces are generally best for developing prints with powder?
  • Which step is NOT part of the DNA obtaining process?
  • What does the "linkage triangle" in an investigation depict?
  • What is the purpose of a grid search pattern at a crime scene?
  • Which type of evidence can be categorized as trace evidence?
  • What kind of observations should an investigator make at a crime scene?
  • Which technique is commonly used to lift fingerprints from surfaces?
  • Which factor is often examined during a blood spatter analysis?
  • Which factors should an investigator consider when documenting the weather at a crime scene?
  • Which of the following is a common source of physical evidence?
  • What change occurs in the color of acidic phosphatase during a presumptive test?
  • In what type of setting is urine most commonly found at a crime scene?
  • On which types of surfaces is magnetic powder the most effective?
  • What can the orientation of finger pads in the womb influence?
  • Which of the following statements is true regarding evidence packaging?
  • What should be included in notes when analyzing blood evidence?
  • Do all latent print development techniques destroy potential biological evidence?
  • Why is it necessary to assess safety before collecting evidence?
  • What type of light source is considered effective for investigating sexual assault cases?
  • What is a primary goal of forensic analysis in criminal investigations?
  • What is the significance of establishing a timeline in a crime investigation?
  • Which type of fingerprint is often associated with being visible without the need for processing?
  • When processing a burglarized residence, which point of entry is NOT usually considered?
  • What distinguishes a latent print from a patent print?
  • Physical evidence can help answer which of the following questions?
  • What is the primary goal of forensic science in crime investigation?
  • Why is saliva significant in examining bite marks?
  • In what scenarios would mt-DNA be most useful?
  • What is the main color change observed in the LMG test when blood is present?
  • What should evidence photographs ideally include?
  • What is a significant downside of using Hematrace as a blood test?
  • What is defined as a debate of formal argumentation applied to law enforcement concepts?
  • Which aspect of photographic composition does the F-stop NOT control?
  • What encompasses the application of science to law enforcement investigations or legal matters?
  • Which statement regarding chemical analysis of evidence is accurate?
  • What purpose do control samples serve in forensic analysis?
  • What should be done with evidence that may be contaminated by biological material?
  • What is CODIS primarily used for?
  • In property crimes, why might blood be found at the scene?
  • What is one of the first actions a CSI should take to secure a crime scene?
  • What might be a consequence of failing to take accurate notes during an investigation?
  • Why could vomit be significant at a crime scene?
  • What is the immediate concern regarding evidence at a crime scene?
  • Which search pattern is most often used for indoor crime scenes?
  • How can fibers be significant in a criminal investigation?
  • Which of the following is NOT a duty of a crime scene investigator?
  • What phrase is often used to refer to individuals suspected of a crime?
  • What distinguishes a Forensic Specialist from a Forensic Scientist?
  • Which of the following techniques is helpful when documenting crime scenes?
  • What is considered the most common type of biological evidence?
  • What is the purpose of a digital forensics investigation?
  • What is the primary purpose of collecting evidence at a crime scene?
  • What are the two primary methods for detecting evidence at a crime scene?
  • Which of the following best describes the importance of securing a crime scene?
  • True or False: It is statistically unlikely that an individual rolls their fingerprint across a surface when touching it.
  • What percentage of fingerprint residue is typically made up of fats and oils?
  • What type of analysis does forensic serology focus on?
  • How many measurements are typically taken to establish Triangulation coordinates?
  • What term is often used to refer to evidence in the context of its role?
  • What are volar pads responsible for in fingerprint formation?
  • What is the term used to describe the influence of TV dramatizations of forensic science on jurors' opinions?
  • Should evidence markers be placed before taking an overall photo of a crime scene?
  • Which best describes the collection of physical evidence at a crime scene?
  • In which narrative tense should field reports be written?
  • What is one example of a medium where plastic prints might be found?
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