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WorksheetsCH3 Integumentary REVIEW
Total questions: 50
Worksheet time: 44mins
Which mechanism helps restore the function of skin after it has been damaged?
Inflammation
Tissue repair
Vasodilation
Regeneration
What is deposited during wound healing to rebuild tissue?
Collagen and ECM
Hemoglobin and plasma
Melanin and keratin
Calcium and phosphate
Which type of wound is LEAST likely to cause scar formation?
Scratches limited to the epidermis
Deep cuts into the dermis
Burns that damage connective tissue
Surgical incisions
Which cell type is most responsible for producing scar tissue?
Melanocytes
Fibroblasts
Keratinocytes
Langerhans cells
Scar tissue is mainly composed of which protein?
Keratin
Elastin
Collagen
Myosin
Which of the following is NOT a feature of scar tissue?
Strong, protective fibrous tissue
Restores sweat glands and nerves
Contracts and compacts over time
Lacks flexibility and elasticity
Compared to normal skin, scar tissue has about what percentage of tensile strength?
50%
60%
80%
100%
Scar tissue may lead to functional impairment when located near:
Hair follicles
Sweat glands
Joints
Melanocytes
Which type of scar is raised due to overproduction of collagen?
Atrophic
Hypertrophic/Keloid
Contracture
Normal
Which type of scar has a sunken appearance?
Atrophic
Keloid
Hypertrophic
Hyaline
Which of the following best describes psoriasis?
Bacterial skin infection
Autoimmune disorder
Viral disorder
Genetic-only disorder
What causes psoriasis lesions?
Too little collagen
Rapid buildup of skin cells
Loss of melanin
Fibroblast overgrowth
Psoriasis is NOT:
Contagious
Chronic
Autoimmune
Hereditary
At what age does psoriasis most often appear?
Childhood (under 10)
Between 15–35 years
Over 50 years
At birth
Which body areas are MOST commonly affected by psoriasis?
Hands and feet
Elbows, knees, trunk
Nose and ears
Abdomen and chest
Which of the following can trigger psoriasis flare-ups?
Stress
Exercise
Hydration
Vaccines
Which factor can worsen psoriasis due to immune suppression?
Rheumatoid arthritis
Vitamin D supplements
Dehydration
Sunblock use
In phototherapy for psoriasis, which type of light slows abnormal skin cell growth?
UVA
UVB
Infrared
Blue light
Select the matrix
Select the hair follicle
Keratin protects the skin from harmful chemicals, and oils in the skin serve as a water barrier.
True
False
Elastic fibers keep the skin looking young and is located in the epidermis.
True
False
Where does hair and nail growth occur?
The dermis
The epidermis
The matrix
The adipose
The skin is involved in chemical processes. Which vitamin is essential to bone health? (LO 3.2-1)
Vitamin A
Vitamin C
Vitamin D
Vitamin E
In the summer months, exposure to extreme temperatures can be life threatening, but glands close to the surface of the skin help to keep the body cool. What are these glands? (LO
A. Eccrine glands
B. Apocrine glands
C. Exocrine glands
D. Endocrine glands
Select the arrector pili muscle
Select the hair follicle
Select the stratum corneum
Select the stratum spinosum
Select the stratum basale
Select the melanocyte
Select the dead keratinocytes
Select the matrix
Select the hair follicle
Order the strati of the epidermis from deepest to most superficial : (a) , (b) , (c) , (d) , (e) .
The dermis has _____ main layers; They include the ___________ layers.
2; epidermis and papillary
2; reticular and hypodermis
3; papillary, reticular, and hypodermis
2; epidermis and hypodermis
2; papillary and reticular.
While playing soccer, Paxton accidentally scraped his knee. Which layer of skin is responsible for sensing the pain he feels?
callus
epidermis
dermis
hypodermis
Which glands are responsible for producing sebum?
sebaceous
sudoriferous
Why do humans have nails on their fingers and toes?
to help with walking
to protect the ends of fingers and toes
to make hands look longer
to help with hearing
The Integumentary System is made up of which accessory organs: (Choose all that apply)
hair
glands
vessels
nails
Organize the functions into the right categories
physical protection
waterproofing
pathogen barrier
bio & chem protection
Vit D synthesis
chemical protection
body temp regulation
sensation
blood resevoir
anchoring
shock absorption
insulation
Label the lunula: the visible portion of the nail matrix
Label the nail plate: the hard, protective, visible portion of a nail, made of layers of dead, flattened keratin cells called onychocytes
Label the germinal matrix: a layer of active, specialized skin cells located at the base of the nail, beneath the nail root and cuticle responsible for nail growth
During the summer months when the temperature is high, vasodilation occurs in which organ to cool off the body?
Which factor is the primary cause of most skin cancers?
Basal cell carcinoma most commonly presents as:
Squamous cell carcinoma most often originates in which epidermal layer?
Which of the following is NOT part of the ABCDE rule for melanoma detection?
Border irregularity
Depth of lesion
Malignant melanoma is considered the most dangerous type of skin cancer because:
It can metastisize and is more likely to be fatal.
