Need help with these questions and explanation please! TIA 1. \"First, second an

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Need help with these questions and explanation please! TIA

1. "First, second and third degree" is one way to classify the severity of burns. "Partial and full thickness" is another. Relate "partial thickness" and "full thickness" to the structure of the skin, and to the classification scheme of first, second and third degree. Be specific about the integumentary structures/layers that are affected in each.

2. Why do second and third degree burns lead to prominent scars? Be specific about the cellular processes that lead to scar tissue development. Be sure to refer to the layers of skin and cells that are involved in this process and how this differs from repair seen in less invasive injuries.

3. What accessory organs of the integumentary system were affected in this case study? What are the ongoing deficits that this patient might experience as a result of this damage?

4. The integumentary system is highly affected in this case, but what other organ systems are affectd as a result of these injuries? Be specific.....

Explanation / Answer

ANSWER 1

Superficial partial-thickness burns
These burns damage no deeper than the papillary dermis.
The clinical features include blistering and/or loss of the epidermis.
The underlying dermis is pink and moist. The capillary
return is clearly visible when blanched. There is little or no fixed
capillary staining. Pinprick sensation is normal. Superficial partial-
thickness burns heal without residual scarring in 2 weeks.
The treatment is non-surgical
Deep partial-thickness burn
this involve damage to the deeper parts of the reticular
dermis. Clinical features include loss of the epidermis . The
exposed dermis is not as moist as that in a superficial burn. There
is often abundant fixed capillary staining, especially if examined
after 48 hours. The colour does not blanch with pressure under
the examiner’s finger. Sensation is reduced, and the patient is
unable to distinguish sharp from blunt pressure when examined
with a needle. Deep dermal burns take 3 or more weeks to heal
without surgery and usually lead to hypertrophic scarring.
Full-thickness burns
In these burns the whole of the dermis is destroyed. They have a hard, leathery feel. The
appearance can vary from that similar to the patient’s normal skin
to charred black, depending upon the intensity of the heat. There
is no capillary return. Often, thrombosed vessels can be seen
under the skin. These burns are completely anaesthetised: a
needle can be stuck deep into the dermis without any pain or
bleeding.

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