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Dermal System Flashcards

(106 cards)

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1
Q

Define dermal system.

A

The dermal system includes the skin and its structures, providing protection and sensory functions.

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2
Q

What is the primary function of the epidermis?

A

The epidermis acts as a barrier to protect underlying tissues from damage and pathogens.

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3
Q

True or false: The dermis contains blood vessels and nerves.

A

TRUE

The dermis is the layer beneath the epidermis, rich in connective tissue.

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4
Q

Fill in the blank: The hypodermis is also known as the _______.

A

subcutaneous layer

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5
Q

What are sebaceous glands responsible for?

A

Sebaceous glands secrete sebum, which lubricates and waterproofs the skin.

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6
Q

Define keratinocytes.

A

Keratinocytes are the primary cells in the epidermis that produce keratin, a protective protein.

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7
Q

What is the role of melanocytes?

A

Melanocytes produce melanin, the pigment responsible for skin color and UV protection.

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8
Q

True or false: The stratum corneum is the deepest layer of the epidermis.

A

FALSE

The stratum corneum is the outermost layer, composed of dead skin cells.

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9
Q

What is the papillary layer?

A

The papillary layer is the upper part of the dermis, containing loose connective tissue and capillaries.

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10
Q

Fill in the blank: Sweat glands help regulate body temperature through _______.

A

perspiration

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11
Q

What is the function of hair follicles?

A

Hair follicles are responsible for the growth of hair and contain sebaceous glands.

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12
Q

Define cutaneous sensation.

A

Cutaneous sensation refers to the ability to perceive touch, temperature, and pain through the skin.

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13
Q

True or false: The dermal system plays a role in thermoregulation.

A

TRUE

The dermal system helps maintain body temperature through sweat and blood flow.

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14
Q

What are Langerhans cells?

A

Langerhans cells are immune cells in the skin that help detect and fight infections.

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15
Q

Fill in the blank: The stratum basale is where _______ occurs.

A

cell division

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16
Q

What is the role of collagen in the dermis?

A

Collagen provides strength and structure to the skin, helping it resist stretching.

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17
Q

Define skin elasticity.

A

Skin elasticity is the ability of the skin to stretch and return to its original shape.

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18
Q

True or false: The dermis is primarily made of adipose tissue.

A

FALSE

The dermis is mainly composed of connective tissue, not adipose tissue.

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19
Q

What is hyperpigmentation?

A

Hyperpigmentation is the darkening of skin areas due to excess melanin production.

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20
Q

Fill in the blank: Basal cell carcinoma originates in the _______.

A

basal layer of the epidermis

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21
Q

What is the function of the skin barrier?

A

The skin barrier protects against environmental damage and prevents water loss.

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22
Q

Define psoriasis.

A

Psoriasis is a chronic skin condition characterized by rapid skin cell turnover, leading to scaling.

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23
Q

True or false: The skin is the largest organ of the body.

A

TRUE

The skin covers the entire body and plays multiple vital roles.

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24
Q

What is eczema?

A

Eczema is an inflammatory skin condition causing red, itchy, and inflamed patches.

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25
Fill in the blank: **Dermatology** is the branch of medicine that focuses on _______.
skin disorders
26
Define **dermatology**.
The branch of medicine that focuses on the diagnosis and treatment of skin disorders.
27
True or false: The **epidermis** is the outermost layer of skin.
TRUE
28
Fill in the blank: The **dermis** contains _______ and connective tissue.
Blood vessels
29
What is the function of **sebaceous glands**?
They secrete oil to lubricate and protect the skin.
30
Define **melanocytes**.
Cells in the skin that produce the pigment melanin, responsible for skin color.
31
What is **psoriasis**?
A chronic autoimmune condition that causes rapid skin cell production, leading to scaling.
32
True or false: **Acne** is caused by blocked hair follicles.
TRUE
33
Fill in the blank: **Eczema** is also known as _______ dermatitis.
Atopic
34
What is the primary cause of **skin cancer**?
Excessive exposure to ultraviolet (UV) radiation.
35
Define **dermatitis**.
Inflammation of the skin that can result from allergens, irritants, or other factors.
36
What is **rosacea**?
A chronic skin condition characterized by facial redness and visible blood vessels.
37
True or false: **Fungal infections** can affect the skin.
TRUE
38
Fill in the blank: **Antibiotics** are used to treat _______ infections.
Bacterial
39
What is the role of **keratin** in the skin?
It provides structure and protection to the skin's outer layer.
40
Define **hyperpigmentation**.
Darkening of the skin due to excess melanin production.
41
What is **contact dermatitis**?
A skin reaction resulting from exposure to allergens or irritants.
42
True or false: **Skin aging** is influenced by both intrinsic and extrinsic factors.
TRUE
43
Fill in the blank: **UV radiation** can cause _______ damage to the skin.
DNA
44
What is the function of **sweat glands**?
They help regulate body temperature and excrete waste through perspiration.
45
Define **acne vulgaris**.
A common skin condition characterized by pimples, blackheads, and cysts.
46
What is **seborrheic dermatitis**?
A skin condition causing red, flaky patches, often on the scalp.
47
True or false: **Skin biopsies** are used to diagnose skin conditions.
TRUE
48
Fill in the blank: **Topical steroids** are used to reduce _______ in skin conditions.
Inflammation
49
What is **actinic keratosis**?
A precancerous skin condition caused by sun exposure, leading to rough patches.
50
Define **dermal fillers**.
Substances injected into the skin to restore volume and smooth wrinkles.
51
What is **melasma**?
A skin condition causing brown patches, often triggered by hormonal changes.
52
True or false: **Warts** are caused by viral infections.
TRUE
53
Fill in the blank: **Antihistamines** are often used to treat _______ reactions.
Allergic
54
What is **lichen planus**?
An inflammatory skin condition characterized by itchy, flat-topped bumps.
55
Define **skin grafting**.
A surgical procedure to transplant skin from one area to another for healing.
56
What is **pityriasis rosea**?
A skin rash that begins with a single patch and spreads, often self-limiting.
57
True or false: **Cold sores** are caused by the herpes simplex virus.
TRUE
58
Fill in the blank: **Retinoids** are derived from _______ and used for acne treatment.
Vitamin A
59
What is **ichthyosis**?
A genetic skin disorder causing dry, scaly skin due to abnormal keratinization.
60
Define **hives**.
Raised, itchy welts on the skin, often due to allergic reactions.
61
What is **scabies**?
A contagious skin infestation caused by tiny mites burrowing into the skin.
62
True or false: **Skin tags** are always cancerous.
FALSE
63
Fill in the blank: **Antifungal creams** are used to treat _______ infections.
Fungal
64
What is **keloid**?
An overgrowth of scar tissue that forms at the site of an injury.
65
Define **tinea**.
A fungal infection of the skin, commonly known as ringworm.
66
What is **folliculitis**?
Inflammation of hair follicles, often caused by infection or irritation.
67
True or false: **Skin cancer** can be detected early through regular skin checks.
TRUE
68
Fill in the blank: **Sunscreen** protects the skin from _______ damage.
UV
69
What is **dermatofibroma**?
A benign skin tumor that often appears as a firm, raised bump.
70
Define **basal cell carcinoma**.
A common type of skin cancer that arises from basal cells in the epidermis.
71
What is **squamous cell carcinoma**?
A type of skin cancer that originates from squamous cells in the epidermis.
72
True or false: **Melanoma** is the deadliest form of skin cancer.
TRUE
73
Fill in the blank: **Cryotherapy** is a treatment that uses _______ to destroy abnormal skin.
Extreme cold
74
What is **dermatopathology**?
The study of skin diseases at a microscopic level.
75
Define **alopecia**.
A condition characterized by hair loss from the scalp or other areas.
76
What is **hyperhidrosis**?
Excessive sweating that can occur in localized areas or throughout the body.
77
True or false: **Chemical peels** are used to improve skin texture.
TRUE
78
Fill in the blank: **Laser therapy** can treat _______ skin conditions.
Various
79
What is **pilar cyst**?
A benign cyst that forms from hair follicle cells, commonly on the scalp.
80
Define **skin barrier**.
The outer layer of skin that protects against environmental damage and moisture loss.
81
What is **telangiectasia**?
Dilated blood vessels near the surface of the skin, often appearing as red lines.
82
True or false: **Skin moisturizers** help maintain skin hydration.
TRUE
83
Fill in the blank: **Antioxidants** in skincare help combat _______ damage.
Oxidative
84
What is **photodamage**?
Skin damage caused by prolonged exposure to UV radiation from the sun.
85
Define **skin microbiome**.
The community of microorganisms living on the skin that contribute to skin health.
86
What is **dermatologic surgery**?
Surgical procedures performed to treat skin conditions or remove skin lesions.
87
True or false: **Skin allergies** can result in rashes and irritation.
TRUE
88
Fill in the blank: **Collagen** provides _______ and elasticity to the skin.
Structure
89
What is **pruritus**?
An intense itching sensation that can affect any part of the body.
90
Define **skin rejuvenation**.
Procedures aimed at improving skin appearance and texture.
91
What is **dermatological assessment**?
A thorough evaluation of the skin to diagnose conditions and recommend treatments.
92
True or false: **Skin infections** can be viral, bacterial, or fungal.
TRUE
93
Fill in the blank: **Hydration** is essential for maintaining skin's _______.
Health
94
What is **skin elasticity**?
The skin's ability to stretch and return to its original shape.
95
Define **dermatologic pharmacology**.
The study of drugs used to treat skin diseases and conditions.
96
What is **topical medication**?
Medications applied directly to the skin for localized treatment.
97
True or false: **Systemic medications** can affect skin conditions.
TRUE
98
Fill in the blank: **Immunomodulators** are used to treat _______ skin diseases.
Inflammatory
99
What is **antiseptic**?
A substance that prevents the growth of disease-causing microorganisms on the skin.
100
Define **emollients**.
Substances that soften and moisturize the skin, often used in creams and lotions.
101
What is **phototherapy**?
A treatment using light to manage various skin conditions.
102
True or false: **Biologics** are advanced medications for severe skin diseases.
TRUE
103
Fill in the blank: **Antipruritics** are used to relieve _______.
Itching
104
What is **skin tolerance**?
The skin's ability to withstand irritants or allergens without adverse reactions.
105
Define **skin assessment**.
A systematic evaluation of the skin's condition, including texture, color, and lesions.
106
What is **dermatologic consultation**?
A meeting with a dermatologist to discuss skin concerns and treatment options.
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