Med Surg II - Chapter 26 - Care of Patients with Burns Exam Questions with 100% Correct Answers
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Burns
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Burns
Which degree of burn may result in reduced excretory ability of the skin?
1
Full-thickness wound
2
Partial-thickness wound
3
Superficial-thickness wound
4
Deep partial-thickness wound - Answer-1
Full-thickness wound
The skin excretes through sweating. In full-thickness burns, the sweat ...
which degree of burn may result in reduced excreto
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Med Surg II - Chapter 26 - Care of
Patients with Burns Exam Questions
with 100% Correct Answers
Which degree of burn may result in reduced excretory ability of the skin?
1
Full-thickness wound
2
Partial-thickness wound
3
Superficial-thickness wound
4
Deep partial-thickness wound - Answer-1
Full-thickness wound
The skin excretes through sweating. In full-thickness burns, the sweat glands are
destroyed and the skin has a reduced ability to excrete. Partial-thickness wounds may
involve the loss of the entire epidermis and varying depths of dermis; it does not totally
reduce the excretory function of the skin. Superficial-thickness wounds have the least
amount of damage because the epidermis is the only part of the skin that is injured.
Deep partial-thickness wounds also do not reduce the excretory ability of the skin
because there is no dermal damage.
Which of the following skin grafts are obtained from human cadavers?
1
Porcine
2
Allograft
3
Xenograft
4
Heterograft - Answer-2
Allograft
Homografts, also called allografts, are human skin obtained from a cadaver and
provided through a skin bank. Heterografts, also called xenografts, are skin obtained
from another species. Pigskin (porcine) is the most common heterograft and is
compatible with human skin.
Which part of the skin helps in the healing process after a burn injury?
1
Epidermis
2
Epithelial cells present in the dermis layer of the skin are responsible for regrowth of the
skin after a burn injury. The epidermis is the outermost layer of the skin, consisting of
dermal appendages such as sweat glands, sebaceous glands, and hair follicles, which
extend into the epidermis layer. Sweat glands and sebaceous glands are the dermal
appendages that are present in the dermis layer and extend to the outer layer of the
skin.
What precautionary measure must individuals take to prevent fires?
1
Chimneys must be cleaned once in a year.
2
Space heaters must be placed on a cotton cloth.
3
One smoke detector must be placed in the house.
4
While drinking alcohol, smoking must be done in an open area. - Answer-1
Chimneys must be cleaned once in a year.
Chimneys must be cleaned once a year to avoid creosote accumulation, which is a
highly flammable material. Patients must be advised not to smoke while drinking
alcohol, as alcohol can cause drowsiness and a lit cigarette could be dropped. Clothing,
bedding, and other materials should be kept away from space heaters. Smoke detectors
must be placed in each bedroom and in stairwells.
Which type of burn injury can convert to a deeper injury due to tissue hypoxia?
1
Superficial wounds
2
Full-thickness wounds
3
Deep full-thickness wounds
4
Deep partial-thickness wounds - Answer-4
Deep partial-thickness wounds
Deep partial-thickness wounds affect the deeper layers of dermis, with only a few
healthy skin cells remaining in the dermis layer. Blood supply to the injured area can be
decreased through infection, hypoxia, or ischemia, resulting in more damage of the
tissue; this can convert deep partial-thickness wounds to full-thickness wounds.
, Superficial wounds cause minimal damage to the skin, affecting the epidermal layer of
the skin. Full-thickness wounds cause destruction of the entire epidermis and dermis.
Deep full-thickness wound damage extends even deeper exposing the muscles and
bones.
Which physiological change will result in loss of function from contracture formation in a
65-year-old patient with burn injuries who is admitted to the hospital?
1
Thinner skin
2
Reduced immunity
3
Slower healing time
4
Pre-existing disorders - Answer-3
Slower healing time
Slower healing time in older adults can result in loss of function from contracture
formation and scar tissue. Thinner skin increases the depth of burn injury in older
adults. Reduced immunity increases the risk of infection in older adults. A medical
condition present prior to the burn injury compromises vital organ functioning and can
interfere with fluid resuscitation efforts or other treatments.
When is grafting required in the treatment of burn injuries?
1
When there is absence of skin cells
2
When there is damage to the blood vessels
3
When there is exposure to the nerve endings
4
When the dead tissue sticks to the lower tissue layers - Answer-1
When there is absence of skin cells
Grafting is usually required in deep full-thickness and full-thickness burn injuries. In
these injuries, there is full destruction of the entire epidermis and dermis, leaving no
skin cells to repopulate. Therefore, these wounds do not regrow and the area of injury is
not closed by wound contraction. Damage to the blood vessels in superficial-thickness
wounds leads to blister formation. Exposure of nerve endings for stimulation results in
intensifying the pain. Sticking of the dead tissue to the lower tissue layers will lead to
eschar formation.
Which condition can be prevented by maintaining quite environment for better sleep?
1
Pain
2
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