25 Questions
What is the primary function of Langerhans cells in the epidermis?
To act as macrophage-like dendritic cells
Which of the following is NOT a function of Langerhans cells?
To produce keratin
What type of cells are Langerhans cells similar to?
Macrophages
Where are Langerhans cells primarily found?
Epidermis
What is NOT a characteristic of Langerhans cells?
They produce melanin
Which layer of the skin contains Merkel cells associated with sensory nerve endings?
Stratum basale
Which of the following layers is not associated with Merkel cells?
Stratum corneum
What is the function of Merkel cells in the skin?
Sensing pressure and vibration
In which layer do sensory nerve endings interact with Merkel cells?
Stratum basale
What is the location of the Stratum basale layer in the skin?
Innermost layer
What is the primary function of melanin in the epidermis?
To protect the skin from UV radiation
Which cell type is responsible for producing melanin in the epidermis?
Melanocytes
What is the outermost layer of the skin?
Stratum corneum
What is the role of melanin in the skin?
To protect the skin from UV radiation
Which of the following cells is not responsible for melanin production?
Keratinocytes
Which of the following is NOT a layer of the skin?
Stratum muscle
What is the function of Melanocytes in the epidermis?
To produce melanin
What is the name of the layer of skin that consists of actively dividing cells?
Stratum basale
Which layer of skin is characterized by the presence of granules?
Stratum granulosum
What is the correct order of the layers of skin?
Stratum basale, Stratum spinosum, Stratum granulosum, Stratum corneum
What is the primary function of dermal papillae?
To facilitate the exchange of oxygen and nutrients
Which of the following layers is NOT a part of the dermis?
Epidermis
What is the main characteristic of the papillary layer?
It contains dermal papillae
Which of the following layers is responsible for providing structural support to the skin?
Reticular layer
What is the correct location of the papillary layer?
Within the dermis
Study Notes
Epidermis
- Langerhans cells act as macrophage-like dendritic cells
- Merkel cells are associated with sensory nerve endings and found in the stratum basale
- Stratum corneum is known as the "horny layer"
- Melanocytes are responsible for producing the pigment melanin
Dermis
- The papillary layer contains dermal papillae
This quiz questions the role of Langerhans cells in the epidermis. Langerhans cells are a type of immune cell that function in the epidermis. What is their specific role?
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