WorksheetsEpidermis & Dermis Review Game
Total questions: 48
Worksheet time: 25mins
Myth or Fact: The only factor that determines whether you go bald or not is whether your maternal grandfather went bald.
True
False
Myth or Fact: Your skin fully regenerates itself every 4 – 5 days.
True
False
Myth or Fact: Tattoos only go into the epidermis, or top layer of the skin.
True
False
Myth or Fact: Stress all you want! Stress does not cause us to go bald or to turn gray.
True
False
Myth or Fact: Curly, wavy, and straight hair are made of different proteins.
True
False
Myth or Fact: People with darker skin show signs of aging earlier in life.
True
False
Myth or Fact: Skin cancer is most common in people with dark skin tones.
True
False
Myth or Fact: Eating carrots, which are rich in carotene, can cause your skin to turn orange.
True
False
Myth or Fact: You should not pop your pimples.
True
False
Myth or Fact: When you shave your hair, it grows back thicker and darker.
True
False
Myth or Fact: Your fingernails, skin, and hair are made of three different proteins.
True
False
Myth or Fact: Your skin is the largest organ of your body.
True
False
Myth or Fact: Your skin is constantly shedding dead skin cells.
True
False
Myth or Fact: In addition to being part of the integumentary system, your skin serves a role in your immune system.
True
False
Myth or Fact: Cutting your hair stimulates it to grow faster.
True
False
Myth or Fact: Sweating releases harmful toxins from your body.
True
False
Myth or Fact: The sweat from your armpits is a different composition than the sweat produced on your face, back, and legs.
True
False
Myth or Fact: Different people have different thickness of their skin.
True
False
What is another name for your skin?
Integument
Epidermis
Dermis
Cuticle
What are four appendages of your skin?
Hair, nails, sweat glands, oil glands
Bones, muscles, nerves, blood vessels
Teeth, tongue, eyes, ears
Liver, heart, lungs, kidneys
How many square meters does your skin measure?
About 2 square meters
About 0.5 square meters
About 10 square meters
About 20 square meters
What percentage of your body weight is your skin?
About 15%
About 5%
About 30%
About 50%
How many layers is the skin made of? What are they?
Three layers: epidermis, dermis, and subcutaneous tissue
Two layers: epidermis and dermis
Four layers: epidermis, dermis, subcutaneous tissue, and muscle
Five layers: epidermis, dermis, subcutaneous tissue, muscle, and bone
The four types of cells that make up the epidermis are:
Keratinocytes, melanocytes, Langerhans cells, Merkel cells
Fibroblasts, adipocytes, chondrocytes, osteocytes
Neurons, glial cells, Schwann cells, oligodendrocytes
Erythrocytes, leukocytes, platelets, plasma cells
Which type of epidermis cell is the most abundant?
Keratinocytes
Melanocytes
Langerhans cells
Merkel cells
Keratin is important within our epidermis for which two reasons?
It provides strength and waterproofing to the skin.
It produces melanin and sweat.
It allows for sensation and hair growth.
It helps in blood circulation and fat storage.
More keratinocytes are produced in our epidermis due to:
cell division in the basal layer
increased melanin production
loss of sweat glands
decreased blood flow
It makes sense that our epidermis is very thick on the palms and soles, but thin on the eyelids and lips because:
palms and soles need more protection due to frequent use and friction, while eyelids and lips require sensitivity and flexibility.
eyelids and lips are exposed to more sunlight than palms and soles.
palms and soles have more sweat glands than eyelids and lips.
eyelids and lips are used for eating and seeing, so they need to be thinner.
The function of melanin produced by melanocytes is:
To protect the skin from UV radiation
To produce sweat
To regulate body temperature
To transport oxygen in the blood
People with dark skin have more melanocytes than people with light skin.
True
False
People with dark skin have more melanin than people with light skin.
True
False
Melanin determines the color of what three things?
Skin, hair, and eyes
Teeth, nails, and bones
Blood, saliva, and sweat
Liver, heart, and lungs
How many days does it take to have a completely new epidermis?
25-45 days
5-10 days
60-90 days
100-120 days
Where is the epidermis thick?
Palms of the hands and soles of the feet
Scalp
Eyelids
Abdomen
What are the layers of the epidermis called?
Strata
Follicles
Papillae
Dermis
In which layers of the epidermis are the keratinocytes dead?
Stratum corneum and stratum lucidum
Stratum basale and stratum spinosum
Stratum granulosum and stratum basale
Stratum spinosum and stratum granulosum
In which layers of the epidermis are the keratinocytes living?
Stratum basale, stratum spinosum, and stratum granulosum
Stratum corneum, stratum lucidum, and stratum granulosum
Stratum corneum, stratum spinosum, and stratum lucidum
Stratum basale, stratum corneum, and stratum lucidum
In which layer of the epidermis are keratohyalin granules produced? What is their function?
Stratum granulosum; they help keratinize cells in the upper layers
Stratum corneum; they provide pigmentation to the skin
Stratum spinosum; they produce melanin
Stratum basale; they initiate cell division
Lamellar bodies are produced in which layer of the epidermis, and what is their function?
Stratum granulosum; they help waterproof cells for the skin barrier
Stratum corneum; they produce melanin
Stratum spinosum; they synthesize keratin
Stratum basale; they initiate cell division
Keratinocytes are constantly being pushed upward in the epidermis because:
new cells are produced in the basal layer, pushing older cells upward
they are attracted to the skin surface by sunlight
they are pulled upward by hair follicles
they move upward to absorb more nutrients
The two layers of the dermis are:
Papillary and reticular layers
Epidermis and hypodermis
Stratum corneum and stratum basale
Sebaceous and sudoriferous layers
Which layer of the dermis is superficial?
Papillary layer
Reticular layer
Basal layer
Granular layer
Which layer of the dermis is deep?
Reticular layer
Papillary layer
Granular layer
Corneal layer
How does the epidermis get oxygen and nutrients if it is avascular?
By diffusion from the underlying dermis
Through direct blood supply to the epidermis
By active transport from the surface of the skin
Through sweat glands delivering nutrients
What is oil called?
Sebum
Keratin
Melanin
Collagen
Fill in the following table with the structures of the dermis and hypodermis. Highlight all of the structures of the hypodermis in yellow, papillary layer in pink, and reticular layer in blue.
Lamellar (Pacinian) corpuscles
Sense heavy touch, such as pressure and vibrations
Dermal papillae
“Skin nipples”
Hypodermis (subcutaneous layer)
Absorbs shock and cushions our body as we move about
Arrector pili muscle
Contracts to raise hair on end
Blood capillaries
Drops off blood filled with oxygen and nutrients to the skin
Fill in the blank: The function to sense pain, heat, cold, itching, and tickling is performed by _________.
free nerve endings
muscle fibers
blood vessels
sebaceous glands
Reorder the following layers of the epidermis from superficial to deep.
stratum corneum
stratum lucidum
stratum granulosum
stratum spinosum
stratum basale
