Questions and Answers
Surface skin cells regenerate from stem cells found in which specific region?
stratum basale
Which of the following layers is found only on the palms of the hands or the soles of the feet?
The integument's ability to resist tearing when stretched is largely due to the _____
network of collagen fibers present in the reticular layer of the dermis
Which epidermal cells act as sensory touch receptors?
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How can the rule of nines help indicate whether a burn should be considered critical?
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Which of the following best describes a third-degree burn?
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Serious burns pose a significant threat to the body because they can __________.
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Critical burn injuries will likely be treated with all of the following EXCEPT __________.
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Why does your skin remain red after a bad sunburn?
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Why would a third-degree burn be less painful than a first- or second-degree burn involving the same body area?
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Study Notes
Integument Exam Practice Notes
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Surface Skin Cell Regeneration
Regeneration occurs in the stratum basale, the deepest epidermal layer housing highly mitotic cells. -
Stratum Lucidum Location
This layer is exclusive to the thick skin found on the palms and soles, situated between the stratum corneum and stratum granulosum. -
Resistance to Tearing
The reticular layer of the dermis contains a network of collagen fibers, providing strength and resistance when the skin is stretched. -
Epidermal Sensory Receptors
Tactile cells, also known as Merkel cells, serve as sensory touch receptors located at the epidermis-dermis border. -
Rule of Nines for Burns
This method estimates burn coverage by dividing the body into 11 regions, each accounting for approximately 9% of total body surface area, aiding in assessing burn severity. -
Characteristics of Third-Degree Burns
These burns are full-thickness, affecting all layers of the skin, leading to significant tissue damage. -
Health Risks from Serious Burns
Significant fluid loss from serious burns can lead to kidney failure and circulatory shock due to the disruption of skin's fluid retention capabilities. -
Treatment for Critical Burns
Treatment for serious burns does not include applying ice or cold pads; instead, it focuses on other critical medical interventions. -
Post-Sunburn Redness
Redness following a sunburn is due to inflammation and increased blood flow to the affected skin area. -
Pain Sensation in Burns
Third-degree burns may be less painful than first- or second-degree burns because they destroy the pain receptors in the skin.
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Description
Test your knowledge of integumentary systems with these practice questions based on Exam 2 material. Focus on the structure, function, and layers of the skin, including the epidermis and its regeneration processes. Perfect for students preparing for anatomy assessments.
