EXAM 2 (A&P I) |THE SMART WAY TO PASS | REAL TESTS,
REAL RESULTS!
The most superficial component of the skin is the: Answer: epidermis
The main components of the skin are the: Answer: epidermis and dermis
Tommy fell and skinned his knee. The scrape did not bleed. He must have only damaged the:
Answer: epidermis
Subcutaneous injections involve administration of medicine into the: Answer: hypodermis
The epidermis is Answer: keratinized cutaneous membrane
How do nutrients reach the epidermis of the skin? Answer: Diffusion transports nutrients from
blood vessels in the dermis into the epidermis.
Which of the following is NOT a function of the skin? Answer: vitamin A synthesis
The region of skin that provides a tough barrier against pathogens and trauma is the: Answer:
epidermis
What tissue composes the epidermis of the skin? Answer: keratinized stratified squamous
epithelium
Which sensation is NOT detected by the skin? Answer: equilibrium
Under what conditions would the skin produce sweat and experience cutaneous vasodilation?
Answer: upon increase in body temperature
Which of the following occurs if body temperature rises above normal? Answer: Blood flow to
the dermis increases.
Which of the following is an appropriate skin response to cold? Answer: dermal blood vessels
vasoconstrict
Why is vitamin D necessary Answer: Vitamin D is required for calcium absorption from the
small intestine.
What is the most numerous cell type in the epidermis? Answer: keratinocyte
Skin without keratin would be more likely to Answer: tear upon being mechanically stressed
From deep to superficial, what is the correct order of the layers of the epidermis? Answer:
stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum
All cells in the epidermis arise from mitotic activity in stratum Answer: basale
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1
, A splinter penetrated into the skin on the palmar surface of the hand. The splinter nearly reached
stratum basale of the epidermis. What is the final layer injured by this splinter? Answer: stratum
spinosum of the epidermis
Trauma to stratum basale would NOT interfere with the skin's ability to: Answer: shed dead
cells
) What type of cell junction bands together adjacent cells, making the epidermis stronger?
Answer: desmosome
Which layer of the epidermis is characterized by prominent cytoplasmic granules in the cells?
Answer: stratum granulosum
How long will it take for a suntan to fade? Answer: 40 to 50 days
Jill is blind and often uses braille to read her school assignments. What cell in the stratum basale
of the epidermis helps her discriminate between the textured dots? Answer: merkel cell
thin skin lacks stratum Answer: lucidum
thick skin lacks Answer: hair follicles
thin skin contains Answer: one less layer of keratinocytes than thick skin.
Where is thick skin located? Answer: palms
A callus may develop when both thin and thick skin are subjected to repeated pressure. Which
layer of the epidermis develops the callus? Answer: stratum corneum
Where are blood vessels housed that nourish the epidermis Answer: dermal papillae
The most superficial layer of the dermis is the Answer: papillary layer
What tissue composes the reticular layer of the dermis? Answer: dense irregular connective
tissue
Which of the following cells is associated with the dermis? Answer: fibroblast
Despite the strength of the dermis, it is subject to tearing. How might a person know that the
dermis has been previously stretched and/or torn? Answer: Generally permanent stretch marks,
or striae, appear
Thomas is deaf, but can feel the vibrations of music through sensory receptors in his skin called:
Answer: lamellated (Pacinian) corpuscles
) We have unique patterns on our fingers, toes, palms, and soles created by Answer: epidermal
ridges.
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
REAL RESULTS!
The most superficial component of the skin is the: Answer: epidermis
The main components of the skin are the: Answer: epidermis and dermis
Tommy fell and skinned his knee. The scrape did not bleed. He must have only damaged the:
Answer: epidermis
Subcutaneous injections involve administration of medicine into the: Answer: hypodermis
The epidermis is Answer: keratinized cutaneous membrane
How do nutrients reach the epidermis of the skin? Answer: Diffusion transports nutrients from
blood vessels in the dermis into the epidermis.
Which of the following is NOT a function of the skin? Answer: vitamin A synthesis
The region of skin that provides a tough barrier against pathogens and trauma is the: Answer:
epidermis
What tissue composes the epidermis of the skin? Answer: keratinized stratified squamous
epithelium
Which sensation is NOT detected by the skin? Answer: equilibrium
Under what conditions would the skin produce sweat and experience cutaneous vasodilation?
Answer: upon increase in body temperature
Which of the following occurs if body temperature rises above normal? Answer: Blood flow to
the dermis increases.
Which of the following is an appropriate skin response to cold? Answer: dermal blood vessels
vasoconstrict
Why is vitamin D necessary Answer: Vitamin D is required for calcium absorption from the
small intestine.
What is the most numerous cell type in the epidermis? Answer: keratinocyte
Skin without keratin would be more likely to Answer: tear upon being mechanically stressed
From deep to superficial, what is the correct order of the layers of the epidermis? Answer:
stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum
All cells in the epidermis arise from mitotic activity in stratum Answer: basale
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, A splinter penetrated into the skin on the palmar surface of the hand. The splinter nearly reached
stratum basale of the epidermis. What is the final layer injured by this splinter? Answer: stratum
spinosum of the epidermis
Trauma to stratum basale would NOT interfere with the skin's ability to: Answer: shed dead
cells
) What type of cell junction bands together adjacent cells, making the epidermis stronger?
Answer: desmosome
Which layer of the epidermis is characterized by prominent cytoplasmic granules in the cells?
Answer: stratum granulosum
How long will it take for a suntan to fade? Answer: 40 to 50 days
Jill is blind and often uses braille to read her school assignments. What cell in the stratum basale
of the epidermis helps her discriminate between the textured dots? Answer: merkel cell
thin skin lacks stratum Answer: lucidum
thick skin lacks Answer: hair follicles
thin skin contains Answer: one less layer of keratinocytes than thick skin.
Where is thick skin located? Answer: palms
A callus may develop when both thin and thick skin are subjected to repeated pressure. Which
layer of the epidermis develops the callus? Answer: stratum corneum
Where are blood vessels housed that nourish the epidermis Answer: dermal papillae
The most superficial layer of the dermis is the Answer: papillary layer
What tissue composes the reticular layer of the dermis? Answer: dense irregular connective
tissue
Which of the following cells is associated with the dermis? Answer: fibroblast
Despite the strength of the dermis, it is subject to tearing. How might a person know that the
dermis has been previously stretched and/or torn? Answer: Generally permanent stretch marks,
or striae, appear
Thomas is deaf, but can feel the vibrations of music through sensory receptors in his skin called:
Answer: lamellated (Pacinian) corpuscles
) We have unique patterns on our fingers, toes, palms, and soles created by Answer: epidermal
ridges.
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
