BIOL 2113 QUESTIONS AND ASWERS LATEST UPDATE
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smooth muscle
Arrector pili are located in the dermis of the skin. What are they?
constriction of dermal blood vessels
A pale skin tone can occur with
jaundice
A yellow tint to the skin is associated with
dilation of dermal blood vessels
Flushed or red skin will occur with
cyanosis
A bluish tint to the skin is called
Differences in the amount of melanin produced
What variation in melanin accounts for the differences in skin tone between individuals?
Epidermal layer
Prevents water loss and entry of microorganisms
Sensory receptors
Provides input about environment and environmental conditions
Dermal blood supply
Maintenance of body temperature
Melanocytes
Production of pigment
basement membrane
Anchoring the epidermis to the superficial dermis is a thin layer called the
melanocytes
The epidermal cells called __________ are responsible for producing the pigment found
in the skin.
areolar; dense irregular
The papillary layer of the dermis is composed of __________ tissue, and the reticular
layer is composed of __________ tissue.
1. Injury occurs; inflammation results
2. Bleeding into wound
3. Blood clot formation
4. Fibroblasts produce connective tissue; epithelium begins rebuilding
5. Scab sloughs off
Place in order the events that occur during wound healing.
Define the term erythema.
Reddened skin
dermal
Nutrient and oxygen supply for the epidermis comes from blood vessels located in the
__________ layer of the skin.
tissues; organs; organ systems
100% CORRECT A+ GRADED. Buy Quality Materials!
smooth muscle
Arrector pili are located in the dermis of the skin. What are they?
constriction of dermal blood vessels
A pale skin tone can occur with
jaundice
A yellow tint to the skin is associated with
dilation of dermal blood vessels
Flushed or red skin will occur with
cyanosis
A bluish tint to the skin is called
Differences in the amount of melanin produced
What variation in melanin accounts for the differences in skin tone between individuals?
Epidermal layer
Prevents water loss and entry of microorganisms
Sensory receptors
Provides input about environment and environmental conditions
Dermal blood supply
Maintenance of body temperature
Melanocytes
Production of pigment
basement membrane
Anchoring the epidermis to the superficial dermis is a thin layer called the
melanocytes
The epidermal cells called __________ are responsible for producing the pigment found
in the skin.
areolar; dense irregular
The papillary layer of the dermis is composed of __________ tissue, and the reticular
layer is composed of __________ tissue.
1. Injury occurs; inflammation results
2. Bleeding into wound
3. Blood clot formation
4. Fibroblasts produce connective tissue; epithelium begins rebuilding
5. Scab sloughs off
Place in order the events that occur during wound healing.
Define the term erythema.
Reddened skin
dermal
Nutrient and oxygen supply for the epidermis comes from blood vessels located in the
__________ layer of the skin.
tissues; organs; organ systems
