What percentage of Josh's body has fully damaged both the dermis and epidermis?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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What percentage of Josh's body has fully damaged both the dermis and epidermis?

**Case Study: Campfire Burns**

Long-time friends, Josh and Zach, were camping at a lovely campground in the Rockies. As they are native Floridians, the freezing nighttime temperatures of the mountains were a bit of a shock. Luckily, they were expert campfire builders and there was plenty of really pitchy (loaded with highly flammable resin) pinewood around. They built a roaring fire, then crawled into their sleeping bags by the fire, feeling nice and toasty.

Unfortunately, they were too close to the fire and sparks shot out, catching Josh’s bag on fire. As the fire spread through the bag, Zach awoke to Josh’s screams. Zach immediately ran to assist and managed to put out the fire and get Josh out of the burning bag – what remained of it. Unfortunately, as the bag was made of a synthetic material, it melted and stuck to both Josh and Zach. Thus, while Josh suffered the greatest injuries, Zach did not emerge unscathed. 

Fortunately, there were paramedics camping in a nearby site, who were able to help. Emergency help arrived, whisking the two friends off to the local hospital for treatment. Both survived, but decided never to sleep by a fire – and to get safer sleeping bags. (You didn’t think they’d give up camping…right?)

Here is what the medical record showed:

**Josh:**
- 2nd degree burns to his anterior chest (luckily the lower half of his trunk and his legs were unscathed because of his high-waisted sweatpants and wool socks) and the entire left brachium (anterior & posterior)
- 3rd degree burns to his entire right & left antebrachial regions (anterior & posterior, including hands)
- 1st degree burns to his face & anterior neck (his hair protected the rest of his head & neck)

**Zach:**
- 2nd degree burns to his right and left anterior antebrachial regions, including both palmar surfaces. (His upper halves of his arms were protected by his shirt sleeves.)

Using the Rule of Nines (showing your reasoning/calculations), answer the following:

*Here, the text ends with a prompt for further calculation or analysis using the Rule of Nines, a method for estimating the total body surface area affected by burns.*
Transcribed Image Text:**Case Study: Campfire Burns** Long-time friends, Josh and Zach, were camping at a lovely campground in the Rockies. As they are native Floridians, the freezing nighttime temperatures of the mountains were a bit of a shock. Luckily, they were expert campfire builders and there was plenty of really pitchy (loaded with highly flammable resin) pinewood around. They built a roaring fire, then crawled into their sleeping bags by the fire, feeling nice and toasty. Unfortunately, they were too close to the fire and sparks shot out, catching Josh’s bag on fire. As the fire spread through the bag, Zach awoke to Josh’s screams. Zach immediately ran to assist and managed to put out the fire and get Josh out of the burning bag – what remained of it. Unfortunately, as the bag was made of a synthetic material, it melted and stuck to both Josh and Zach. Thus, while Josh suffered the greatest injuries, Zach did not emerge unscathed. Fortunately, there were paramedics camping in a nearby site, who were able to help. Emergency help arrived, whisking the two friends off to the local hospital for treatment. Both survived, but decided never to sleep by a fire – and to get safer sleeping bags. (You didn’t think they’d give up camping…right?) Here is what the medical record showed: **Josh:** - 2nd degree burns to his anterior chest (luckily the lower half of his trunk and his legs were unscathed because of his high-waisted sweatpants and wool socks) and the entire left brachium (anterior & posterior) - 3rd degree burns to his entire right & left antebrachial regions (anterior & posterior, including hands) - 1st degree burns to his face & anterior neck (his hair protected the rest of his head & neck) **Zach:** - 2nd degree burns to his right and left anterior antebrachial regions, including both palmar surfaces. (His upper halves of his arms were protected by his shirt sleeves.) Using the Rule of Nines (showing your reasoning/calculations), answer the following: *Here, the text ends with a prompt for further calculation or analysis using the Rule of Nines, a method for estimating the total body surface area affected by burns.*
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