Skin Flashcards
What is the largest organ of the human body?
Skin
True or False: The skin has three main layers.
True
Name the three main layers of the skin.
Epidermis, Dermis, Hypodermis
What is the primary function of the epidermis?
To provide a protective barrier
Fill in the blank: The dermis contains __________ and __________.
blood vessels, nerves
Which layer of the skin is responsible for insulation and cushioning?
Hypodermis
True or False: The epidermis is avascular.
True
What type of cells are primarily found in the epidermis?
Keratinocytes
What is the role of melanocytes in the skin?
To produce melanin, which gives skin its color
Multiple Choice: Which skin layer contains sweat glands? A) Epidermis B) Dermis C) Hypodermis
B) Dermis
What is the function of sebaceous glands?
To produce sebum, which lubricates the skin
True or False: The skin plays a role in thermoregulation.
True
What is the average thickness of human skin?
1 to 2 millimeters
Fill in the blank: The skin helps in the synthesis of __________.
Vitamin D
What are the two types of sweat glands?
Eccrine and Apocrine
True or False: Skin color is determined solely by the amount of melanin.
False
What is the primary role of the stratum corneum?
To protect underlying layers from infection and dehydration
Multiple Choice: Which cells are involved in the immune response in the skin? A) Keratinocytes B) Langerhans cells C) Fibroblasts
B) Langerhans cells
What is the main structural protein found in the skin?
Collagen
Fill in the blank: The skin can absorb __________ substances.
lipophilic
True or False: Skin can regenerate itself.
True
What is the function of dermal papillae?
To increase the surface area between the dermis and epidermis
What type of sensory receptors are found in the skin?
Thermoreceptors, mechanoreceptors, nociceptors
Multiple Choice: Which condition is characterized by a loss of skin pigmentation? A) Psoriasis B) Vitiligo C) Eczema
B) Vitiligo