Skin

What is sensitization in terms of skin reactions?

Sensitization is an allergic reaction created by repeated exposure.

What percentage of skin aging is due to sun exposure?

80-85% of all skin aging is due to sun exposure.

What is herpes characterized by?

Herpes is a contagious viral infection characterized by fever blisters and cold sores.

What is conjunctivitis commonly known as?

Conjunctivitis is commonly known as pink eye.

What are milia?

Milia are keratin-filled cysts that are common in newborns and found around the eyes, cheeks, and forehead.

What is a papule?

A papule is a small elevation on the skin that does not contain fluid.

What causes contact dermatitis?

Contact dermatitis is caused by skin inflammation due to contact with certain ingredients.

What type of skin cancer is malignant melanoma?

Malignant melanoma is a deadly skin cancer.

What is the 5-year survival rate for malignant melanoma?

The 5-year survival rate for malignant melanoma is 66%.

How is squamous cell carcinoma characterized?

Squamous cell carcinoma is characterized by scaly red or pink papules or nodules.

Does overuse of alcoholic beverages affect sunscreen protection time?

Overuse of alcoholic beverages does not affect the amount of time that a sunscreen offers protection.

What effect does sun exposure have on collagen and elastin fibers?

Sun exposure will weaken the collagen and elastin fibers in the skin.

What is an intrinsic factor related to skin aging?

Gravity is an intrinsic factor related to skin aging.

How should mild acne be treated in terms of facial cleansers?

If you have mild acne, you don't want to use harsh facial cleansers that will remove the buildup of sebum.

What is the role of Propionibacterium acne bacteria on the skin?

Propionibacterium (p. bacteria) on the surface of the skin do not contribute to acne development.

What is albinism?

Albinism is a genetic condition in which there is an absence of melanin.

What is a keratoma?

A keratoma is a superficial thickened patch of epidermis.

What should you do if a client has a new lesion on their nose?

If a client has a new lesion on her nose, it’s most likely herpes; refer the client to a physician.

What is impetigo?

Impetigo is a contagious bacterial infection usually caused by staph.

What characterizes eczema?

Eczema is a chronic skin disease characterized by inflammation, scaling, and itching.

Why can anhidrosis be life threatening?

Anhidrosis is a condition characterized by a reduction or elimination of sweating, which can be life-threatening.

What is rosacea?

Rosacea is a chronic skin condition on the cheeks and nose characterized by redness.

What are primary lesions?

Primary lesions are lesions in the initial stages of development or change.

What characterizes secondary lesions?

Secondary lesions are characterized by accumulation of material on the skin surface, such as a crust or scab.

What percentage of our skin is water?

Our skin is 50-70% water, which is the number one nutrient.

What do sebaceous glands secrete?

Sebaceous glands are our oil glands that secrete sebum.

What is the role of melanin in the skin?

Melanin helps protect sensitive cells from UVA rays.

What are intrinsic factors related to skin aging?

Intrinsic factors are skin-aging factors we have little control over, such as genetics and ethnicity.

What effect do extrinsic factors have on skin aging?

Extrinsic factors primarily environmental contribute to skin aging.

What is the role of motor nerve fibers in the skin?

Motor nerve fibers carry impulses from the brain to the muscles.

What is the dermis?

The dermis is the inner layer of the skin.

What layer of the skin is treated by dermatologists?

The stratum corneum is the layer of the skin treated by dermatologists.

What is the role of sudoriferous glands?

Sudoriferous glands regulate body temperature and excrete perspiration.

What type of rays are UVA rays?

UVA rays are aging rays.

What do keratin and elastin proteins do for the skin?

Keratin is found in skin, hair, and nails, and elastin gives the skin flexibility and elasticity.

Which layer of skin is the epidermis?

The epidermis is the first layer of the skin.

What condition is indicated if someone sweats more due to new medications?

New medications can cause you to sweat more.

How is the lucidum layer described?

The lucidum layer is only found on thick skin areas.