Skin and Body Membranes
The membrane surrounding the lungs is the ____.
pleural
Sebaceous glands produce ___.
sebum (oils)
A burn in which the epidermis and some of the dermis is damaged, is painful and regeneration is possible is a ___.
second-degree burn
The dry cutaneous membrane forms the ____.
skin
The epidermis is composed of ___.
stratified squamous epithelium
Melanocytes are found in which layer of the epidermis?
stratum basale
Which layer of the epidermis produces dandruff?
stratum corneum
___ glands help control body temperature
sudoriferours
Sudoriferours glands produce ___.
sweat
Why does it hurt when you cut your hair?
the shaft of hair consists of dead cells
A full thickness burn in which the epidermal and dermal layers are destroyed and regeneration is impossible is know as a ____
third-degree burn
The layer of the serous membrane that covers an organ is known as the ____ layer.
visceral
The skin and its derivatives (nails, glands, and hairs) form the ____.
Integumentary System
What substance water-proofs skin?
Keratin
What type of tissue makes up the bulk of the dermis?
dense connective tissue
A ____ burn causes epidermal damage, redness, and some pain.
first-degree
The function of serous fluid is to reduce ___ created by mobile organs.
friction
What gives people with fair skin a pinkish hue?
hemoglobin circulating in the dermal capillaries and reflecting through the dermis
What happens to the skin color when blood flow has been restricted?
it turns white and bed sores may develop
Hair, nails, and the outer layer of skin are mostly made of which protein?
keratin
What is the functions of sebum?
kills bacteria on skin's surface, keeps the skin soft and moist, and prevents hair follicles from bittleness
___ is cancer of the malanocytes and is the most deadly form of skin cancer.
malignant melanoma
What protein causes sun tans?
melanin
Which most epithelial membrane lines body cavities that open to the exterior?
mucous membranes
The serous membrane covering the outside of the heart is the ____.
pericardium
The specific serous membrane covering the digestive organs is called ___.
peritoneum
___ is an active infection of the sebaceous gland accompanied by pimples on the skin.
Acne
The uppermost layer of skin is the ___.
Epidermis
What are the two layers of skin?
Epidermis + Dermis
Sebaceous glands are usually associated with ___.
Hair follicles
How does the integumenary system warm up the body?
No sweat, Blood constriction, and contraction of arrector pili muscle
Which layer of the dermis produces fingerprints?
Papillary Layer
_____ is the layer of the serous membrane which covers the outside of the organs in that cavity
Parietal Layer
____ arises from the cells of the stratum spinosum forming leasions that appear as a scaly, redden papule.
Squamous cell carcinoma
What are the 5 layers of the epidermis (starting with the most superficial layer)?
Stratum Corneum, Stratum Lucidum, Stratum granulosum, Stratum spinosum, Stratum basale
How does the integumentary system cool off the body?
Sweat (evaporation) + Dilation of blood vessels to get closer to the surface of the skin (heat dissipation)
____ membranes are composed of connective tissue and line the fibrous capsules surrounding joints
Synovial
What is the leading risk factor of skin cancer?
Ultraviolet Radiation Exposure
What structure contracts to cause "goose bumps"?
arrector pili muscle
Why are the cells of the stratum corneum dead?
as cells progress from the deeper portion of the epidermis toward the surface, their blood supply decreases
___ arises from cells of the stratum basale. It is the least malignant and the most common skin cancer.
basale cell carcinoma
What are melanocytes?
cells that secrete melanin
