Mixed Deck — All CFP Topics Flashcards

During documentation of an outdoor scene with an approaching storm, the best risk management decision is to:

Answer: Prioritize photographing the most fragile and weather-vulnerable evidence first

Triaging perishable, weather-exposed evidence first ensures it is documented before rain or wind destroys it.

When evaluating a group fitness class, a coordinator tracks participant heart rate averages across sessions. This is an example of:

Answer: Outcome measurement

Heart rate data reflects what happens to participants as a result of the class, making it an outcome measure.

Which ongoing practice best ensures forensic image files remain authentic during long-term storage?

Answer: Periodically recomputing and verifying hash values against the original recorded baselines

Periodically recomputing and verifying hash values against the original baselines confirms stored images have not been corrupted or altered over time, maintaining evidentiary integrity.

When a forensic photographer is called as an expert witness, what is the foundational requirement before photographic evidence can be admitted?

Answer: The photographer must establish their qualifications and the photographs' relevance and authenticity

Before admission, the court requires the forensic photographer to demonstrate expertise and authenticate the photographs as fair and accurate representations of the scene.

A forensic photographer uses a fast shutter speed of 1/500s indoors. What is the most likely consequence?

Answer: Underexposed image

A very fast shutter speed indoors admits very little light, resulting in an underexposed image that may fail to capture critical evidentiary detail.

What is the first step in preserving physical evidence at a crime scene?

Answer: Secure and restrict access to the crime scene

The very first step in preserving physical evidence is to secure and restrict access to the crime scene. This action prevents contamination, destruction, or alteration of evidence by unauthorized personnel, which is paramount for maintaining the integrity of the scene. Establishing a perimeter and controlling entry ensures that evidence remains undisturbed until it can be properly documented and collected.

A defense expert claims a scene photograph misrepresents distances. Which capture practice best defends against this challenge?

Answer: Having used a normal focal length lens and documented camera positions rather than extreme wide-angle or telephoto views

Normal focal lengths approximate human perspective, and documented camera positions let spatial relationships be verified.

A photographer must document a fingerprint developed with fluorescent powder. After exciting it with an ALS, why must the exposure typically be increased?

Answer: Fluorescent emission is much dimmer than reflected light

Fluorescence emits far less light than normal reflection, so longer exposures or wider apertures on a tripod are usually required.

What is the most defensible way to handle an enhanced (e.g., contrast-adjusted) forensic image intended for court?

Answer: Preserve the original, document every processing step, and present both if requested

Retaining the original plus a documented, repeatable processing history keeps enhancements transparent and admissible.

When copying flat evidence such as a document with two light sources, how should the lights be arranged?

Answer: Two lights at equal 45-degree angles on opposite sides of the document

Matched 45-degree lights on both sides provide even, glare-free illumination across the entire flat surface.

A trainer notices a client appears intoxicated before a scheduled session. The most ethical action is to:

Answer: Postpone the session and address the concern with the client when appropriate

Training an impaired client poses serious safety risks; the session should be postponed and the concern addressed privately.

A client's rate of perceived exertion (RPE) consistently reads 9-10 during moderate-intensity sessions. What quality improvement action is indicated?

Answer: Reassess the client's fitness level and adjust program intensity

Persistently high RPE during moderate sessions suggests the workload exceeds the client's current capacity and requires reassessment.

When photographing tire impressions at a crash scene, what specific information does the impression width measurement provide for reconstruction?

Answer: It helps identify the vehicle class and tire type, which in turn informs track width and axle load estimates for reconstruction

Tire width measurements can be matched to manufacturer databases to identify compatible vehicle types, aiding reconstruction engineers in determining the involved vehicle's characteristics.

Why should a photograph of the evidence be taken both with and without a scale or marker?

Answer: To show the scene was not altered and the marker did not conceal anything

The without-marker image proves the scene's original condition and that placed items did not obscure or alter evidence.

Why is it critical for a forensic photographer to avoid using subjective language such as 'the victim' when labeling photographs for court submission?

Answer: Subjective labels can imply conclusions not yet established by the evidence, potentially biasing jurors or creating grounds for challenge

Using neutral, objective terminology such as 'decedent' or 'individual' rather than 'victim' avoids pre-judging the case outcome and reduces the risk of the photographic evidence being challenged for bias.

What is the best method for preserving blood evidence on fabric?

Answer: Air dry and store in a paper bag

When preserving blood evidence on fabric, it is crucial to air dry it completely before packaging. This prevents the growth of mold and bacteria, which can degrade the blood and DNA. Storing it in a breathable paper bag further prevents moisture buildup and degradation, unlike airtight plastic bags which trap moisture and promote decomposition, compromising the evidence.

Under the Federal Rules of Evidence, what primary authentication requirement must forensic photographs meet to be admissible?

Answer: A witness must testify that the photograph fairly and accurately represents the scene

Under FRE Rule 901, photographs are authenticated when a competent witness testifies that the image fairly and accurately represents the scene or object depicted.

Focus stacking is most useful in forensic photography when:

Answer: Capturing a small three-dimensional piece of evidence where total sharpness is required

Focus stacking combines multiple images taken at different focus distances to create a single fully-sharp image of a small 3D object that exceeds a single lens's depth of field.

After implementing a new HIIT program, a trainer notices increased client complaints of joint pain. The APPROPRIATE quality improvement action is:

Answer: Suspend the program, conduct a movement screen, and modify high-impact components

Client complaints of joint pain signal a potential safety issue requiring immediate reassessment and program modification.

During low-light crime scene photography, a photographer uses a 30-second exposure ('painting with light'). What key documentation step must accompany these images?

Answer: Notes must record the light source type, direction, number of passes, and total coverage area

Painting with light introduces variables (direction, intensity, coverage) that are not captured in EXIF data, so detailed notes are required for the technique to be reproducible and explainable in court.