18 Questions
What is the most extensive organ of the body?
Skin
Which cells are the most abundant in the epidermis?
Keratinocytes
Which type of skin has a very thick epidermis and does not contain hairs?
Thick skin of the palm
Which glands are associated with the integumentary system?
Sweat glands
Which cells in the epidermis are responsible for producing melanin?
Melanocytes
The outermost part of the skin is composed of which layer?
Epidermis
Where are Langerhans cells mainly located?
Stratum spinosum
What is the main function of eccrine sweat glands?
To assist in thermoregulation and excretion
Which layer of the skin has cells that do not have a nucleus or organelles?
Stratum corneum
What is the main function of sebaceous glands?
Produce an oily substance known as sebum for skin and hair maintenance
Which layer of the epidermis contains keratinocytes with large and irregular granules of keratohyalin?
Stratum granulosum
What do melanocytes in the stratum basale do when stimulated by UV radiation?
Produce melanin, a dark pigment that gives color to the skin and protects from UV radiation
Where are Merkel cells mainly located?
Stratum basale
What is the function of reticular dermis?
Respond to small deformations of the epidermis
What is the main function of hypodermis?
Corporal temperature regulation
What is the main function of odoriferous/apocrine glands?
Release secretion in an apocrine manner with characteristic odor
What is the composition of papillary dermis?
Loose connective tissue with abundant type I collagen, reticular, and elastic fibers
What is the main function of stratum lucidum?
It is a thin, homogeneous cell layer with weak staining
Test your knowledge of the integumentary system, which includes the skin, associated glands (sebaceous and sweat glands), hairs, and nails. Understand the structure and functions of the skin, covering the entire body and continuing with mucous membranes.
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