Radiation Types and Radiation Burns

What is the primary determinant of a patient's long-term appearance and functional outcome after a radiation burn?

Depth of burn

What is the term for burns that cause such deep tissue destruction that they require amputation or loss of a body part?

Fifth-degree burn

What is the percentage of total body surface area affected by partial thickness or full thickness burns in an adult that is considered a major burn?

15% - 30%

What type of radiation is most likely to cause cancer due to its ability to interact with and damage DNA?

Ionizing radiation Signup and view all the answers

What is the term for the redness that appears around the damaged area as a response to radiation?

Erythema Signup and view all the answers

What is the classification of burns that extends beneath the subcutaneous tissues and involves fascia and/or muscle?

Fourth-degree burn Signup and view all the answers

What is the relationship between the percentage of body burn and the resultant number of contractures developed?

Direct relationship Signup and view all the answers

What is the classification of burns that only cause redness in color and do not blister?

First-degree burn Signup and view all the answers

What is a defining characteristic of a thermal burn?

Induces tissue cell death or charring due to external heat sources Signup and view all the answers

What progression occurs in the zone of coagulation in a burn injury?

Both depth and width increase Signup and view all the answers

Which mechanism of injury is characterized by damage from heated fluids?

Scaled burn Signup and view all the answers

How does the voltage impact the level of tissue damage in electrical burns?

Higher voltage increases damage Signup and view all the answers

Which statement accurately describes a friction burn?

Occurs due to the mechanical abrasion of the skin Signup and view all the answers

What causes cold exposure burns like frostbite?

Ice crystals puncturing cells and creating a hypertonic environment Signup and view all the answers

Which scenario most commonly causes flame burns?

Direct exposure to a fire Signup and view all the answers

What is the primary feature of low voltage electrical burns?

Deep contact burns at the entry and exit sites Signup and view all the answers

What characterizes coagulative necrosis caused by most acids?

Formation of a coagulum that limits penetration Signup and view all the answers

What is a characteristic of liquefactive necrosis caused by alkali?

Continuous penetration after initial contact Signup and view all the answers

What is a major risk associated with muscle damage from high voltage injuries?

Renal failure Signup and view all the answers

What type of injury is likely when exposed body parts are subjected to an arc of current from a high tension voltage source?

Superficial flash burns Signup and view all the answers

What is the main difference between 'true' high tension injuries and 'flash' injuries?

'Flash' injuries do not involve current passage through the body Signup and view all the answers

Which factor is NOT directly related to the severity of chemical burns?

Alcohol consumption of the individual Signup and view all the answers

What kind of change in tissue is caused by irradiation burns?

Damage to skin or other biological tissue Signup and view all the answers

What outcome is typically associated with contact with voltage greater than 70,000 V?

Invariably fatal outcome Signup and view all the answers