Exam 3 Essay: BIOS251 / BIOS 251 (Latest Update 2024 / 2025) Anatomy & Physiology I with Lab | Review Questions with Verified Answers | 100% Correct | Grade A - Chamberlain
Question:
What layer of the skin is implicated in level one skin burn, and what layer of the skin is implicated in lev...
Exam 3 Essay: BIOS251 / BIOS 251
(Latest Update ) Anatomy
& Physiology I with Lab | Review
Questions with Verified Answers|
100% Correct | Grade A -
Chamberlain
Question:
What layer of the skin is implicated in level one skin burn, and what layer of
the skin is implicated in level four skin burn?
Answer:
The depth and severity of a burn determine its degree, and the skin layers
affected by each degree of burn are different:
First-degree (superficial) burn affects only the epidermis or outer layer of
skin.
Fourth-degree (full-thickness) burns affect all layers of the skin, as well as
underlying tissue, muscle, ligaments, tendons, nerves, and bones.
, Question:
How does a broken bone heal?
Answer:
Broken bones, also known as bone fractures, heal in three stages:
Inflammatory stage: The body sends signals to the injured area, causing
inflammation, redness, swelling, pain, and blood clot formation. This stage
may last a week or two.
Reparative stage: A soft callus replaces the blood clot, holding the bone
together but not yet strong enough for use. This stage begins about a week
after the injury.
Remodeling stage: Regular bone replaces the callus, reshaping the bone over
the next few months. This stage begins about six weeks after the injury. The
entire process can take three weeks to six months.
Question:
Three stages of bone healing
Answer:
1. The inflammatory
2. Reparative
3. Remodeling stages
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