CFN Wound Assessment and Injury Documentation

Question 1

What type of wound is characterized by torn, irregular edges caused by blunt force trauma?

Accepted Answer

Laceration

Answer

Incision

Answer

Abrasion

Answer

Puncture

Question 2

Which color change sequence is generally observed as a bruise heals over time?

Accepted Answer

Red/Blue-Purple → Green → Yellow/Brown

Answer

Yellow → Green → Blue → Red

Answer

Blue → Red → Yellow → Green

Answer

Purple → Black → Red → Yellow

Question 3

Which wound type is MOST commonly associated with defensive injuries on the upper extremities?

Accepted Answer

Blunt force contusions

Answer

Incised wounds

Answer

Linear abrasions

Answer

Bite marks

Question 4

What is the MOST reliable method for documenting wound size in forensic practice?

Accepted Answer

Photography with an ABFO No. 2 scale ruler

Answer

Visual estimation by the examiner

Answer

Comparison to common household objects

Answer

Digital measurement from patient description

Question 5

A patterned injury that mirrors the shape of the weapon or object used is BEST described as:

Accepted Answer

Imprint contusion

Answer

Petechial hemorrhage

Answer

Excoriation

Answer

Hematoma

Question 6

When using an alternate light source (ALS) for injury detection, what wavelength range is MOST commonly used?

Accepted Answer

415–450 nm (violet/blue)

Answer

700–800 nm (infrared)

Answer

200–280 nm (UV-C)

Answer

550–600 nm (green-yellow)

Question 7

In forensic injury documentation, which characteristic of a bruise is LEAST reliable for dating the injury?

Accepted Answer

Color

Answer

Shape

Answer

Size

Answer

Location