20 Questions
Which layer of the skin is deep to the dermis and is composed of adipose and areolar connective tissue?
Hypodermis
What is the function of hair follicles?
Produce hair and contain sensory nerve endings that are stimulated by bending a hair
Which layer of the dermis is composed of loose connective tissue and contains blood vessels and nerve endings?
Papillary layer
What do sebaceous glands in the external ear canal secrete?
Cerumen
What does the Rule of Nines estimate?
The severity of burns
What is the function of sebaceous (oil) glands?
Produce sebum
What is the function of tactile (Merkel) cells?
Serve as touch receptors
What is the function of keratinocytes?
Produce keratin
What are the risk factors for skin cancer?
Overexposure to UV radiation and frequent irritation of the skin
Which layer of the epidermis consists of a few rows of flat, dead keratinocytes and is present only in thick skin?
Stratum Lucidum
Which layer of the epidermis contains melanin granules and Langerhans' cells?
Stratum Granulosum (Granular Layer)
What is the most common type of skin cancer?
Basal cell carcinoma
What is alopecia?
Hair thinning in both sexes
What is the function of collagen fibers in the reticular layer of the dermis?
Add strength and resiliency to the skin
What happens to the epidermal replacement of cells in old age?
It slows down
When are burns considered critical according to the Rule of Nines?
If over 25% of the body has second-degree burns
What is the treatment for melanoma skin cancer?
Wide surgical excision accompanied by immunotherapy
What do mammary glands secrete?
Milk
What are the characteristics of melanoma skin cancer according to the ABCD rule?
A: Asymmetry, B: Border is irregular, C: Color is black, D: Diameter is larger than 6 mm
Where are eccrine sweat glands found?
Palms, soles of the feet, and forehead
Test your knowledge on the skin and its components with this quiz! Learn about the three major regions of the skin, the functions of hair follicles, and the composition of the subcutaneous layer. Challenge yourself and expand your understanding of the body's largest organ.
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