Integumentary system Quiz #1, Skin Layers and Anatomy  

1. A 55-year-old man presents with a chronic ulcer on his lower leg that has not healed for several months. Histological examination of the ulcer edge reveals a loss of structural integrity in a specific skin layer, which is essential for strength and elasticity. Which layer of the skin is most likely affected? 

Question 1 of 5

2. A researcher is studying a condition that leads to excessive keratin production, resulting in scaly skin. This condition primarily affects which of the following layers of the skin? 

Question 2 of 5

3. During a routine check-up, a patient is found to have a lesion on their skin that appears to be confined to the melanocytes. This finding suggests an alteration in which of the following layers of the skin? 

Question 3 of 5

4. A patient suffering from severe burns has damage that extends through the epidermis and into the dermis, destroying hair follicles and sweat glands. This type of burn would be classified as which of the following? 

Question 4 of 5

5. A cosmetic procedure aims to remove fine lines and wrinkles by removing the outermost layer of the skin, stimulating new skin growth. This procedure most directly affects which of the following layers? 

Question 5 of 5


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