PAT401 WEEK 11 Exam Questions With
Correct Answers A+
What are the two types of burns? - Answer✔- Thermal: friction, cold, heat
- Nonthermal: radiation, chemical, electrical
How are burns classified? - Answer✔By physical appearance and symptoms associated with
affected skin
How is a definitive diagnosis of a burn determined? - Answer✔Through histologic depth of
tissue necrosis
How is wound depth determined? - Answer✔A non invasive laser doppler assesses burn injuries
and guides decisions to perform surgical excision or grafting
How deep is a first degree burn? - Answer✔Superficial burns involving only the epidermis. No
injury to dermal or subcutaneous tissue.
Is the area wet or dry in first degree burns? - Answer✔dry
What are symptoms of a first degree burn? - Answer✔- initial local pain and erythema
- if extensive, may cause a systemic response involving: chills, headache, localized edema,
nausea and vomiting
How fast do first-degree burns heal? - Answer✔3-5 days without scarring
How deep is a second degree burn? - Answer✔partial thickness burns
What are the two types of second degree burns? - Answer✔1. superficial partial thickness injury
2. deep partial thickness injury
What are superficial partial-thickness injuries? - Answer✔Thin-walled, fluid-filled blisters
developed a few minutes after injury.
What are the symptoms of superficial partial-thickness injuries? - Answer✔Severe pain
throughout wound care as tactile and pain sensors remain intact throughout healing.
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How long do superficial partial-thickness injuries take to heal? - Answer✔3 to 4 weeks, scar
formation is unusual
What are deep partial-thickness injuries? - Answer✔Burns that involve entire dermis, sparing
skin appendages such as hair follicles and sweat glands.
What do deep partial-thickness burns look like? - Answer✔Waxy white and is surrounded by
margins of superficial partial-thickness injury. Skin may peel off in sheets - no blistering.
How long do deep partial-thickness burns take to heal? - Answer✔Takes weeks to heal, and the
wound slowly produces scar tissue can result in infection - results in hypertrophic scarring and,
poor functioning & cosmetic results
How deep is a third degree burn? - Answer✔full-thickness burn, injury to the epidermis, dermis,
and underlying subcutaneous tissue, muscle and bone may be involved.
How is the pathophysiology of the human body impacted by third-degree burns -
Answer✔edema develops, distal circulation may be compromised in areas of circumferential
burn
How are third degree burns treated? - Answer✔Escharotomy is performed to release underlying
pressure
Are third degree burns very painful? - Answer✔No because nerve endings have been destroyed
What does a third-degree burns look like? - Answer✔Burn color is white, cherry red, or black,
blisters are rare, wound is dry and leathery.
How deep is a fourth degree burn? - Answer✔extends beyond epidermis, dermis, subcutaneous
tissue into muscle, bone or tendon
How are fourth degree burns treated? - Answer✔extensive surgical repair with flaps or even
amputation
Are fourth degree burns painful? - Answer✔No, because all vasculature and nerves of the dermis
are destroyed
How are burn injuries estimated? - Answer✔- the rule of nines
- lund and browder chart
How does the rule of 9s work? - Answer✔- head: 9 (4.5 front and back)
- arms: 9 each (4.5 front and back)
- torso: 36 (18 front and back)
- legs: 18 (9 front and back)
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