chapter 1&5 Flashcards
What can trigger vitamin D synthesis?
exposure to sunlight
The sebaceous glands are found everywhere on the body except:
palms and soles
The skin is considered an organ: (T OR F)
True
Which of the options is not considered an appendage of the skin?
Carotene
When exposed to the cold, the ears and nose may appear red. This is because:
blood vessels dilate to prevent tissue damage from the cold.
What layer of the skin contains keratinocytes, melanocytes, merkel cells and langerhan cells?
epidermis
The skin is considered a tissue. (T OR F)
False
Which type of layer separates the epidermis from the dermis?
a basement membrane
The sweat glands are in the _____:
dermis
What substance are nails made of?
keratin
What is the function of the connective tissue in the dermis?
to give flexibility to the skin
What area of the skin structure is responsible for goose bump formation of the skin?
arrector pili muscle
Redness of the skin can result from all of the following except
mildly cool temperatures.
Which is not part of the connective tissue in the dermis?
keratinocytes
Which layer is not part of the integumentary system?
hypodermis
The skin is composed of ____ layers.
2
What’s an important part of the body to protect with sunscreen?
face
ears
arms and hands
The ____ acts as an insulator for the body.
hypodermis
The _____ is responsible for why you would feel something touch your hair.
root hair plexus
Which layer of the dermis account for 20% of the dermis and has finger like pegs/projections that lies next to the epidermis?
papillary layer
Where are hair roots located within the skin?
dermis
To be safe and effective, sunscreen preparations should block:
both UVA and UVB.
Third-degree burns:
result in excessive fluid loss.
Which of the following statements is true concerning skin cancer?
Basal cell carcinoma produces an open ulcer.
