Which of the following structures are primarily responsible for fingerprints

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What structures are responsible for fingerprints quizlet?
Which of the following structures layers are responsible for producing fingerprints?
What part of the dermis gives rise to fingerprints?
Which layer of the skin creates the folds that make up a fingerprint quizlet?

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List the two layers of skin and briefly describe subcutaneous tissue.

Epidermis- composed of epithelial cells, is the outermost protective shield of the body.

Dermis- the only vascularized layer making up the bulk of the skin, is tough, leathery layer composed mostly of dense connective tissue.

Subcutaneous tissue > Hypodermis (superficial fascia)

not a part of the skin but shares protective functions.
superficial to the tough connective tissue wrapping, fascia, of the skeletal muscle
Stores fat, anchors the skin mostly to muscle, loose enough to ensure "glancing blows"

The epidermis is composed of which of the following tissues?

Keratinized stratified squamous epithelial tissue

Which layer of the skin- dermis or epidermis- is better nourished?

The Dermis

The dermis is connective tissue, which is vascular, so its cells would be better nourished than those of the epidermis, which is avascular epithelium.

Which Cell makes up most of the Epidermis and it's chief role is to produce keratin, the fibrous protein that helps give the epidermis it protective properties?

a) Keratinocyte
b) Melanocytes
c) Dendritic Cells
e) Tactile Cells

Which Cell of the Epidermis is a spider-shaped epithelial cell that synthesizes the pigment melanin?

a) Keratinocyte
b) Melanocytes
c) Dendritic Cells
d) Tactile Cells

Which star shaped Cell of the Epidermis, also known as a Langerhans cell, arise from bone marrow and migrate to the epidermis where they ingest foreign substance and are key activator of our immune system.

a) Keratinocyte
b) Melanocytes
c) Dendritic Cells
d) Tactile Cells

Which spiky hemisphere shaped Cell of the Epidermis, also known as a Merkel, occasionally are present at the epidermaldermal junction and functuions as a sensory receptor for touch.

a) Keratinocyte
b) Melanocytes
c) Dendritic Cells
d) Tactile Cells

While walking barefoot in a barn, Jeremy stepped on a rusty nail that penetrated the epidermis on the sole of his foot. Name the layers the nail pierced from the superficial skin surface to the junction with the dermis.

a) stratum corneum, stratum lucidum, stratum spinosum, stratum granulosum stratum basale
b) stratum lucidum, stratum corneum, stratum granulosum, stratum basale and stratum spinosum
c) stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum basale
d) stratum lucidum, stratum corneum, stratum granulosum, stratum spinosum, and stratum basale

Most Superficial layer; 20-30 layers of dead cells, essentially flat membranous sacs filled with keratin. Glycolipids in extracellular space.

a) Stratum corneum
b) Stratum Lucidum
c) Stratum granulosum
d) Stratum spinosum
e) Stratum basale

Typically one to five layers of flattened cells, organelles deteriorating; cytoplasm full of lamellar granules (release lipids) and keratohyaline granules

a) Stratum corneum
b) Stratum Lucidum
c) Stratum granulosum
d) Stratum spinosum
e) Stratum basale

Several layers of keratinocytes unified by desmosomes. Cells contain thick bundles of intermediate filaments made of pre-keratin.

a) Stratum corneum
b) Stratum Lucidum
c) Stratum granulosum
d) Stratum spinosum
e) Stratum basale

Deepest epidermal layer; one row of actively mitotic stem cells; some newly formed cells become part of the more superficial layers. See occasional melanocytes and dendritic cells.

a) Stratum corneum
b) Stratum Lucidum
c) Stratum granulosum
d) Stratum spinosum
e) Stratum basale

Layer of epidermal tissue that is only found in thick skin and subject to abrasion. ie: palms, fingertips, and the soles of the feet

a) Stratum corneum
b) Stratum Lucidum
c) Stratum granulosum
d) Stratum spinosum
e) Stratum basale

The stratum basale is also called the stratum germinativum, a name that refers to its major function. What is that function?

the stratum basale undergoes almost continuous mitosis to replace cells lost by abrasion.

Why are the desmosomes connecting the keratinocytes so important?

The skin is subject to a lot of abrasion and physical trauma. The desmosomes, which are connecting junctions, help to hold the cells together during such stress.

Which of the following structures are primarily responsible for fingerprints?

a) dermal ridges and epidermal ridges
b) sweat pores and dermal ridges
c) friction ridges and sweat pores
d) reticular layer and sweat pores
e)papillary layer and epidermal ridges

Name the tissue type/s composing the dermis.

Areolar connective tissure (Parillary layer)
Dense irregular connective tissue (Reticular Layer)

Which layer of the dermis is responsible for producing fingerprint patterns?

a) Stratum corneum
b) Papilary layer
c) Stratum Lucidum
d) Reticular Layer

Which tissue of the hypodermis make a good shock absorber?

a) dense regular tissue
b) areolar tissue
c) adipose tissue
d) dense irregular tissue

You have just gotten a paper cut. It is very painful, but it doesn't bleed. Which avasular layer of the skin has it only penetrated.

a) dermis
b) reticular layer
c) hypodermis
d) epidermis

What 3 factors contribute to skin color?

a) melanin, carotene, and hemoglobin
b) melanin, carotene, and folic acid
c) carotene, hemoglobin, and Vitamin D
d) carotene, hemoglobin and Vitamin C

What is cyanosisand what does it indicate?

a) an abnormal yellow skin tone / liver disorders
b) poorly oxygenated hemoglobin / heart failure and sever respiratory disorders
c) richly oxygenated hemoglobin / heart failure and minor respiratory disorders
d) reddened of the skin / fever, hypertension, inflammation, or allergy

Match the following condition with its description: Psoriasis

a) Skin rashes resulting from allergic reactions
b) Skin rashes resulting from allergic reactions
c) Autoimmune condition, resulting in an over proliferation of the epidermis, characterized by reddened epidermal papules covered with dry, silvery scales
d) A rare condition where hair follicles are attacked by the immune system, causing the hair to fall out in patches

Skin eruption produced by dilated small blood vessels of the face, especially on the nose and cheeks, is descriptive of which skin disorder?

a) Melanocyte activity
b) Port wine stain
c) cyanosis
d) raynaud disease
e) rosacea

Which of the following cells would one not expect to find in the dermis?

a) neutrophils
b) mast cells
c) macrophages
d) fibroblasts
e) keratinocytes

Which alteration in skin color may indicate a liver disorder?

a) redness, or erythema
b) pallor, or blanching
c) jaundice
d) bronzing
e) black and blue marks

All of the following are a part of hair EXCEPT...

a) medulla
b) glassy membrane
c) cortex
d) cuticle

Labeled "A" indicates which portion of the skin.

a) stratum spinosum
b) stratum basale
c) stratum corneum
d) stratum granulosum

Labeled "B" indicates which portion of the skin.

a) stratum spinosum
b) stratum basale
c) stratum corneum
d) stratum granulosum

Labeled "C" indicates which portion of the skin.

a) stratum spinosum
b) stratum basale
c) stratum corneum
d) stratum granulosum

Labeled "D" indicates which portion of the skin.

a) stratum spinosum
b) stratum basale
c) stratum corneum
d) stratum granulosum

Labeled "A" indicates which cutaneous gland

a) eccrine (sweat) gland

b) sebaceous gland

Labeled "B" indicates which cutaneous gland

a) eccrine (sweat) gland

b) sebaceous gland

Labeled "A" indicates which hair or hair follicle structure.

a) folicle wall
b) peripheral connective tissue (fibrous) sheath
c) glassy membrane
d) epithelial root sheath (External)
e) epithelial root sheath (internal)
f) cuticle
g) cortex
h) medulla
i) hair matrix
j) hair papilla
k) subcutaneous adipose tissue

Labeled "B" indicates which hair or hair follicle structure.

a) folicle wall
b) peripheral connective tissue (fibrous) sheath
c) glassy membrane
d) epithelial root sheath (External)
e) epithelial root sheath (internal)
f) cuticle
g) cortex
h) medulla
i) hair matrix
j) hair papilla
k) subcutaneous adipose tissue

Labeled "C" indicates which hair or hair follicle structure.

a) folicle wall
b) peripheral connective tissue (fibrous) sheath
c) glassy membrane
d) epithelial root sheath (External)
e) epithelial root sheath (internal)
f) cuticle
g) cortex
h) medulla
i) hair matrix
j) hair papilla
k) subcutaneous adipose tissue

Labeled "D" indicates which hair or hair follicle structure.

a) folicle wall
b) peripheral connective tissue (fibrous) sheath
c) glassy membrane
d) epithelial root sheath (External)
e) epithelial root sheath (internal)
f) cuticle
g) cortex
h) medulla
i) hair matrix
j) hair papilla
k) subcutaneous adipose tissue

Labeled "E" indicates which hair or hair follicle structure.

a) folicle wall
b) peripheral connective tissue (fibrous) sheath
c) glassy membrane
d) epithelial root sheath (External)
e) epithelial root sheath (internal)
f) cuticle
g) cortex
h) medulla
i) hair matrix
j) hair papilla
k) subcutaneous adipose tissue

Labeled "F" indicates which hair or hair follicle structure.

a) folicle wall
b) peripheral connective tissue (fibrous) sheath
c) glassy membrane
d) epithelial root sheath (External)
e) epithelial root sheath (internal)
f) cuticle
g) cortex
h) medulla
i) hair matrix
j) hair papilla
k) subcutaneous adipose tissue

Labeled "G" indicates which hair or hair follicle structure.

a) folicle wall
b) peripheral connective tissue (fibrous) sheath
c) glassy membrane
d) epithelial root sheath (External)
e) epithelial root sheath (internal)
f) cuticle
g) cortex
h) medulla
i) hair matrix
j) hair papilla
k) subcutaneous adipose tissue

Labeled "H" indicates which hair or hair follicle structure.

a) folicle wall
b) peripheral connective tissue (fibrous) sheath
c) glassy membrane
d) epithelial root sheath (External)
e) epithelial root sheath (internal)
f) cuticle
g) cortex
h) medulla
i) hair matrix
j) hair papilla
k) subcutaneous adipose tissue

Labeled "I" indicates which hair or hair follicle structure.

a) folicle wall
b) peripheral connective tissue (fibrous) sheath
c) glassy membrane
d) epithelial root sheath (External)
e) epithelial root sheath (internal)
f) cuticle
g) cortex
h) medulla
i) hair matrix
j) hair papilla
k) subcutaneous adipose tissue

Labeled "J" indicates which hair or hair follicle structure.

a) folicle wall
b) peripheral connective tissue (fibrous) sheath
c) glassy membrane
d) epithelial root sheath (External)
e) epithelial root sheath (internal)
f) cuticle
g) cortex
h) medulla
i) hair matrix
j) hair papilla
k) subcutaneous adipose tissue

Labeled "K" indicates which hair or hair follicle structure.

a) folicle wall
b) peripheral connective tissue (fibrous) sheath
c) glassy membrane
d) epithelial root sheath (External)
e) epithelial root sheath (internal)
f) cuticle
g) cortex
h) medulla
i) hair matrix
j) hair papilla
k) subcutaneous adipose tissue

Which of the following human integumentary system glands is believed to be analogous to the sexual scent glands of an animal?

a) apocrine sudoriferous gland
b) cerunimous gland
c) eccrine sudoriferous gland
d) mammary gland
e) sebaceous gland

Match the following glands with their secretion: Sudoriferous glands

a) milk
b) sebum
c) sweat
d) cerumen

Which of the following is untrue with regards to finger nails?

outward concavity of the nail (spoon nail) may signal an iron deficiency
horizontal lines (Beau's lines) across the nails may hint of malnutrituion
thickened yellow nails may signal a fungal infection
nails ar primarily used to protect the capillary beds in the tip of the fingers and toes
yellow-tinged nail may indicate a respiratory or thyroid gland disorder

Match the following hair follicle-associated structure with its description: Hair bulb

actively dividing cellular area of the bulb that produces the hair
bundle of smooth muscle tissue running from the superficial dermis to the hair follicle; responsible for producing goose bumps
the expanded, deep region of a hair follicle
superficial wall of the hair follicle that is derived from the dermis
a knot of sensory nerve ending wrapped around the base of a hair follicle

Match the following type of burns with its description: First-degree burn

Entire thickness of the skin is consumed, resulting in the burned area appearing white, red, or blackened
Injury to the epidermis and the superficial region of the dermis resulting in redness, swelling, pain, and blisters
Damage to only the epidermis that results in redness, swelling, and pain

Match the following: Tactile cells

sensory detection
protect from UV radiation
activate the immune system
make fibrous proteins for skin protection

Match the following: Melanocytes

sensory detection
protect from UV radiation
activate the immune system
make fibrous proteins for skin protection

Match the following: Dendritic cells

sensory detection
protect from UV radiation
activate the immune system
make fibrous proteins for skin protection

Match the following: Keratinocytes

sensory detection
protect from UV radiation
activate the immune system
make fibrous proteins for skin protection

Match the following skin functions with the mechanism that accomplishes them: Metabolic functions

Provides a chemical barrier and a mechanical barrier to ward off bacterial invasion and to provide “waterproofing”
Potential to hold about 5% of the body's blood volume in numerous blood vessels
Synthesis of vitamin D; destruction of cancer-causing chemicals; activation of some steroid hormones
Activation of numerous receptors that are part of the nervous system
Dilation of blood vessels and secretion of sweat that evaporates from body surface

What structures are responsible for fingerprints quizlet?

The dermal papillae in the papillary layer of the dermis are responsible for fingerprints.

Which of the following structures layers are responsible for producing fingerprints?

The top layer of the dermis, called the papillary dermis, forms small projections into the adjacent stratum basale of the epidermis and is responsible for the visible, unique skin patterns such as fingerprints and footprints.

What part of the dermis gives rise to fingerprints?

Another feature of some parts of the papillary layer is dermal ridges. These ridges cause ridges in the overlying epidermis, called epidermal ridges. Those ridges and the sweaty marks they leave are what we call fingerprints. Reticular Layer - Is made of dense irregular connective tissue.

Which layer of the skin creates the folds that make up a fingerprint quizlet?

Which layer of the skin creates the folds that make up a fingerprint? The papillary region interfaces with the epidermis and contains fingerlike projections called papillae. This creates a bumpy appearance that makes up fingerprints.