Drowning — Flashcards

Flashcard 1: Occipital blow often leads to _____ fractures of the temporal bone

Answer: transverse

Flashcard 2: Marshall's triad of blast injuries includes Punctate _____, bruises and abrasions.

Answer: lacerations

Flashcard 3: _____ is a reliable sign of entry wound.

Answer: Grease ring

Flashcard 4: The phenomenon where the long axis of a bullet deviates from its path of flight (trajectory) is known as:

Answer: Yawing

Extra: Yaw refers to the deviation of the long axis of a bullet from its line of flight (trajectory). As yaw increases, the bullet may eventually "tumble" (rotate 180 degrees). Yawing increases air resistance and can lead to larger or more irregular entry wounds.

Flashcard 5: The most useful criterion for dating a bruise is _____ reaction for detecting hemosiderin

Answer: Perl's

Flashcard 6: _____ can be used to produce fake bruises.

Answer: Semecarpus anacardium

Flashcard 7: The following phenomenon describes _____ of bullet

Answer: yawing

Flashcard 8: Classify mechanical injuries based on the type of weapon used.

Answer: 1. **Blunt force**: Abrasion, Contusion, Laceration, Fracture 2. **Sharp-edged weapon**: Incised wound 3. **Heavy sharp-edged weapon**: Chop wound 4. **Pointed weapon**: Stab (Punctured) wound 5. **Firearms**: Gunshot wound

Flashcard 9: Major points of impact and injury for an unrestrained driver in a deceleration (head-on) collision: _____

Answer: Windshield (Head), Steering wheel (Chest/Abdomen), and Dashboard (Knees/Femur)

Flashcard 10: Minimum temperature for producing burn is _____C for 5-6 hours

Answer: 44