Radiation Types and Radiation Burns

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Questions and Answers

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

  • Depth of burn (correct)
  • Surface area affected
  • Age of patient
  • Type of radiation

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

  • Third-degree burn
  • Fourth-degree burn
  • Minor burn
  • Fifth-degree burn (correct)

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% (correct)
  • Less than 10%
  • More than 30%
  • 10% - 25%

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

<p>Ionizing radiation (C)</p> Signup and view all the answers

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

<p>Erythema (C)</p> Signup and view all the answers

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

<p>Fourth-degree burn (A)</p> Signup and view all the answers

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

<p>Direct relationship (C)</p> Signup and view all the answers

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

<p>First-degree burn (D)</p> Signup and view all the answers

What is a defining characteristic of a thermal burn?

<p>Induces tissue cell death or charring due to external heat sources (A)</p> Signup and view all the answers

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

<p>Both depth and width increase (A)</p> Signup and view all the answers

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

<p>Scaled burn (A)</p> Signup and view all the answers

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

<p>Higher voltage increases damage (A)</p> Signup and view all the answers

Which statement accurately describes a friction burn?

<p>Occurs due to the mechanical abrasion of the skin (D)</p> Signup and view all the answers

What causes cold exposure burns like frostbite?

<p>Ice crystals puncturing cells and creating a hypertonic environment (C)</p> Signup and view all the answers

Which scenario most commonly causes flame burns?

<p>Direct exposure to a fire (B)</p> Signup and view all the answers

What is the primary feature of low voltage electrical burns?

<p>Deep contact burns at the entry and exit sites (B)</p> Signup and view all the answers

What characterizes coagulative necrosis caused by most acids?

<p>Formation of a coagulum that limits penetration (D)</p> Signup and view all the answers

What is a characteristic of liquefactive necrosis caused by alkali?

<p>Continuous penetration after initial contact (D)</p> Signup and view all the answers

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

<p>Renal failure (B)</p> 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?

<p>Superficial flash burns (A)</p> Signup and view all the answers

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

<p>'Flash' injuries do not involve current passage through the body (B)</p> Signup and view all the answers

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

<p>Alcohol consumption of the individual (D)</p> Signup and view all the answers

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

<p>Damage to skin or other biological tissue (D)</p> Signup and view all the answers

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

<p>Invariably fatal outcome (D)</p> Signup and view all the answers

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