Advanced Skin Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. What junction type connects keratinocytes in the epidermis?
- Gap junctions
- Tight junctions
- Desmosomes
- Hemidesmosomes
Q2. Which skin layer is primarily responsible for fingerprint patterns?
- Basement membrane
- Stratum granulosum
- Papillary dermis
- Reticular dermis
Q3. What role do Merkel cells play in the skin?
- Detect fine touch and pressure
- Secrete sebum
- Initiate immune response
- Produce melanin
Q4. Which immune cells are found in the dermis and not the epidermis?
- Dermal dendritic cells
- Langerhans cells
- Merkel cells
- Mast cells
Q5. Which fibers in the dermis provide elasticity to the skin?
- Keratin
- Elastin
- Collagen
- Actin
Q6. What structural layer anchors the epidermis to the dermis?
- Basement membrane
- Stratum spinosum
- Stratum corneum
- Papillary dermis
Q7. Which cells in the skin initiate delayed-type hypersensitivity reactions?
- Keratinocytes
- Fibroblasts
- T cells
- Langerhans cells
Q8. What is the primary difference between thick and thin skin?
- Thin skin has no dermis
- Thick skin has stratum lucidum and lacks hair
- Thick skin has melanocytes
- Thin skin has no sweat glands
Q9. What is the role of tight junctions in the epidermis?
- Produce vitamin D
- Anchor dermis to muscle
- Allow rapid ion exchange
- Prevent paracellular water loss
Q10. How do melanocytes transfer melanin to keratinocytes?
- Via melanosomes and dendritic extensions
- By mitotic division
- Through tight junctions
- Via lymphatic drainage